| use of awamori-pressed lees and tofu lees as feed ingredients for growing male goats. | awamori is produced by fermenting steamed indica rice. awamori-pressed lees is a by-product of the awamori production process. tofu lees is a by-product of the tofu production process. research was conducted to test if dried awamori-pressed lees and tofu lees can be used as a mixed feed ingredient for raising male goats. eighteen male kids were divided into three groups of six animals (control feed group (cfg), awamori-pressed lees mixed feed group (amfg), tofu lees mixed feed group (tmfg)). the ... | 2013 | 25049908 |
| microbial and chemical composition of liquid-associated bacteria in goats' rumen and fermenters. | this study was undertaken to investigate the relationship between chemical composition and microbial profile of rumen liquid-associated bacteria (lab) in vivo (murciano-granadina goats) and in a rumen simulation system (single-flow continuous-culture fermenters). to achieve this aim, analyses of purine bases along with some molecular techniques (quantitative pcr to assess abundance and dgge to identify biodiversity and bacterial profile) were carried out. a control diet (ahc) based on alfalfa ha ... | 2014 | 24460876 |
| betacarotene supplementation increases ovulation rate without an increment in lh secretion in cyclic goats. | this study aimed to evaluate the effects of betacarotene (bc) supplementation on ovulation rate (or) and luteinizing hormone (lh) secretion in adult goats during the breeding season. additionally, total ovarian activity (toa) comprising the total number of ultrasonographically detectable antral follicles (af) and corpora lutea (or) was also assessed. in early october, adult goats [n=22, 3.5 years of age, 7/8 sannen-alpine; 26°n, 103°w at 1117m.a.s.l.] were randomly assigned to: (i) bc group (bcg ... | 2013 | 23522071 |
| short- to medium-term effects of consumption of quebracho tannins on saliva production and composition in sheep and goats. | eight merino sheep (49.4 ± 4.23 kg bw) and 8 alpine goats (53.2 ± 2.51 kg bw) were used to study the effect of ingestion of quebracho tannins on salivation. four sheep and 4 goats were individually fed a daily allotment of 20 g dm of alfalfa hay/kg bw (control). another 4 sheep and 4 goats were also given 20 g dm of alfalfa hay/kg bw supplemented with 50 g of quebracho/kg dm (tannin) for a period of 64 d. the saliva secretion from the left parotid gland was collected by insertion of a polyvinyl ... | 2013 | 23296827 |
| nutrient utilization, ruminal fermentation, microbial nitrogen flow, microbial abundances, and methane emissions in goats fed diets including tomato and cucumber waste fruits. | the effects of replacing 50% of cereals-based concentrate with feed blocks (fb) including wastes of tomato fruits (diet act), wastes of cucumber fruits (diet acc), or barley grain (diet acb) on nutrient use, ruminal fermentation, microbial n flow to the duodenum, methane emissions, and abundances of total bacteria and methanogen were studied in goats. four adult, dry, nonpregnant, rumen-fistulated granadina goats (32.1 ± 5.52 kg bw) were used and 4 diets were studied in 4 trials by using a 4 × 4 ... | 2013 | 23243169 |
| nutrient utilization, ruminal fermentation, microbial abundances, and milk yield and composition in dairy goats fed diets including tomato and cucumber waste fruits. | the effects of replacing 35% of cereals-based concentrate with feed blocks (fb) containing waste fruits of tomato, cucumber, or barley grain in diets for lactating goats on nutrient utilization, ruminal fermentation, microbial n flow to the duodenum, milk yield and quality, methane emissions, and abundances of total bacteria and methanogens were studied. eight murciano-granadina goats (39.4 ± 5.39 kg of body weight, mean ± sd) in the middle of the third lactation were used and 4 diets were studi ... | 2012 | 22901467 |
| short-term beta-carotene-supplementation positively affects ovarian activity and serum insulin concentrations in a goat model. | in early october 2010, adult goats (no.=22, 3.5 yr old, 7/8 sannen-alpine, 26° n, 103° w, at 1117 m), were randomly assigned to: i) beta-carotene group (bc) [no.=10; live weight (lw)=45.9±1.97 kg, body condition score (bcs) =3.04±0.08; orally supplemented with 50 mg of bc per goat per day]; ii) control group (cont) (no.=12; lw=46.2±2.04 kg, bcs=3.0±0.08). animals received a basal diet of alfalfa hay, corn silage, and corn grain, having free access to water, shade, and mineral salts. during the s ... | 2013 | 22572738 |
| impact of two types of complete pelleted, wild ungulate feeds and two pelleted feed to hay ratios on the development of urolithogenic compounds in meat goats as a model for giraffes. | urolith formation has been documented in giraffes and goats. as research in giraffes poses logistical challenges, 16 buck goats were used as a model. the impact of two commercially available, pelleted feeds used for giraffes, adf-16 and wild herbivore (wh), as well as the impact of alfalfa hay and pellet proportions (20% hay:80% pellets, 80p or 80% hay:20% pellet, 20p) on the formation of urolithogenic precursors in goat urine was accomplished in a 2 × 2 factorial balance study. complete diets c ... | 2013 | 22497558 |
| effects of feeding increasing dietary levels of high oleic or regular sunflower or linseed oil on fatty acid profile of goat milk. | in this work, the effects of increasing amounts of 3 plant oils in diets on the fatty acid (fa) profile of goat milk were studied. the study consisted of 3 experiments, one per oil tested (linseed oil, lo; high oleic sunflower oil, hosfo; and regular sunflower oil, rsfo). the 3 experiments were conducted successively on 12 malagueña goats, which were assigned at random to 1 of 4 treatments: 0, 30, 48, and 66 (h) g of added oil/d. a basal diet made of alfalfa hay and pelleted concentrate (33:67) ... | 2012 | 22459841 |
| season of birth modifies puberty in female and male goats raised under subtropical conditions. | in seasonal goats and sheep breeds, onset of puberty is modified by the season of birth. as adult does and bucks from subtropical mexico display seasonal variation in their reproductive behaviour, this study was carried out to determine the effect of season of birth on puberty. three groups of each sex born in january, may and october were used. during the seasons, does and bucks were weaned at an age of 30 days and offered ad libitum alfalfa hay and 100 g of commercial concentrate. in the femal ... | 2007 | 22444750 |
| potential of carvacrol to modify in vitro rumen fermentation as compared with monensin. | the aim of this study was to assess the effect of carvacrol supplement as a dietary additive to rumen fermentors, fed a barley seed:alfalfa hay (70:30) ration and to compare its effect with monensin supplementation. the material was incubated with goat ruminal fluid and four different treatments were included: no additive (c), 7.5 mg/l monensin (m), 250 mg/l carvacrol (c250) and 500 mg/l carvacrol (c500). the addition of carvacrol reduced in vitro dry matter (dm), crude protein (cp) and neutral- ... | 2007 | 22444468 |
| nutritional ecology of dimorphic herbivores: digestion and passage rates in nubian ibex. | we compared forage digestion and passage rates among three groups of nubian ibex (capra ibex nubiana) - mature males, non-lactating females, and lactating females - to test hypotheses relating intraspecific digestive ability to body mass and reproduction costs. we hypothesized that large males (60 kg) would exhibit longer forage retention times and more complete digestion of fermentable cell walls than adult females (23 kg). we tested these predictions by measuring digestion and retention of a g ... | 1996 | 28307302 |
| plant tissue cultures as sources of new ene- and ketoreductase activities. | while many redox enzymes are nowadays available for synthetic applications, the toolbox of ene-reductases is still limited. consequently, the screening for these enzymes from diverse sources in the search of new biocatalyst suitable for green chemistry approaches is needed. among 13 plant tissue cultures, medicago sativa and tessaria absinthioides calli, as well as capsicum annuum hairy roots, were selected due to their ability to hydrogenate the c=c double bond of the model substrate 2-cyclohex ... | 2017 | 28359867 |
| the response of the soil microbial food web to extreme rainfall under different plant systems. | an agroforestry experiment was conducted that involved four planting systems: monoculture of the focal species zanthoxylum bungeanum and mixed cultures of z. bungeanum and capsicum annuum, z. bungeanum and medicago sativa and z. bungeanum and glycine max. soil microbial food web (microorganisms and nematodes) was investigated under manipulated extreme rainfall in the four planting systems to assess whether presence of neighbor species alleviated the magnitude of extreme rainfall on nutrient upta ... | 2016 | 27874081 |
| rhizobium capsici sp. nov., isolated from root tumor of a green bell pepper (capsicum annuum var. grossum) plant. | a novel, gram-staining-negative, rod-shaped, aerobic and motile bacterium, designated strain cc-skc2(t), was isolated from the root tumor of a green bell pepper (capsicum annuum var. grossum) plant in taiwan. cells were positive for oxidase and catalase activities and exhibited growth at 25-37 °c, ph 4.0-9.0 and tolerated nacl concentrations up to 4.0 % (w/v). strain cc-skc2(t) is able to trigger nodulation in soybean (glycine max merr.), but not in capsicum annuum var. grossum, red bean (vigna ... | 2015 | 25555455 |
| seed germination of seven desert plants and implications for vegetation restoration. | germination cues reflect the conditions under which a species is likely to succeed in recruitment. therefore, knowledge of the seed germination characteristics of key plant species in desertified areas is essential for restoration. the aims of this study were to evaluate the seed germination responses of seven native species, and to explore the implications for vegetation restoration. seeds of seven desert species were sown in petri dishes and subjected to various temperature and light condition ... | 2016 | 27179541 |
| [comparison of soil fertility among open-pit mine reclaimed lands in antaibao regenerated with different vegetation types]. | re-vegetation is mainly applied into regeneration in opencast mine to improve the soil quality. it is very important to choose feasible vegetation types for soil restoration. in this study, three typical forest restoration types were studied at antaibao mine, namely, medicago sativa, mixed forests pinus taebelaefolius-robinia pseudoacacia-caragana korshinskii and elaeagnus angustifolia-robinia pseudoacacia-caragana korshinskii-hipophae rhamnoides, to determine the nutrient contents and enzyme ac ... | 2013 | 24289011 |
| [seasonal characteristics of soil respiration and affecting factors under typical vegetations in the water-wind erosion crisscross region of the loess plateau]. | by the soil respiration system, the characteristics of soil respiration were investigated to explore the correlations between soil respiration and soil temperature, soil water and soil nutrient under different land use patterns in the water-wind erosion crisscross region of the loess plateau. the results indicated that the seasonal changing characteristics of soil respiration were distinguished significantly among different vegetations, and soil water content and temperature were the main influe ... | 2010 | 21360891 |
| effects of burial in sand and water supply regime on seedling emergence of six species. | air seeding has long been regarded as a quick and successful measure for vegetation rehabilitation in china. however, seedling emergence of often-used species including agriophyllum squarrosum, artemisia sphaerocephala, artemisia ordosica, hedysarum fruticosum, caragana korshinskii and medicago sativa is low. experiments were conducted under controlled conditions to study the effects of sowing depth and water supply on seedling emergence, in order to understand the requirements for increasing se ... | 2005 | 15820988 |
| excellence in exotics: case report: urolithiasis in a female guinea pig. | a 2-year-old, intact female guinea pig presented to the clinic for a history of squealing and straining to urinate for 2 days. the husbandry of this animal was acceptable, and the diet consisted of commercial alfalfa-based guinea pig pellets, alfalfa hay, a variety of vegetables, and a water-soluble vitamin c supplement. | 2013 | 23532904 |
| selenium volatilization in vegetated agricultural drainage sediment from the san luis drain, central california. | the presence of large amounts of se-laden agricultural drainage sediment in the san luis drain, central california, poses a serious toxic threat to wildlife in the surrounding environment. effective management of the drainage sediment becomes a practical challenge because the sediment is polluted with high levels of se, b, and salts. this two-year field study was conducted to identify the best plant species that are salt and b tolerant and that have a superior ability of volatilizing se from dra ... | 2005 | 16018890 |
| a novel malate dehydrogenase from ceratonia siliqua l. seeds with potential biotechnological applications. | a novel malate dehydrogenase (mdh; ec 3.1.1.1.37), hereafter mdhcs, from ceratonia siliqua seeds, commonly known as carob tree, was purified by using ammonium sulphate precipitation, ion exchange chromatography on steamline sp and gel-filtration. the molecular mass of the native protein, obtained by analytical gel-filtration, was about 65 kda, whereas, by using sds-page analysis, with and without reducing agent, was 34 kda. the specific activity of purified mdhcs (0.25 mg/100 g seeds) was estima ... | 2012 | 22965554 |
| elk (cervus canadensis) preference for feeds varying in selenium concentration. | selenium-accumulator plants are reputed to be unpalatable to large ungulates. elk (cervus canadensis) populations in southeastern idaho overlap with populations of se-rich plants, but there is no information on the influence of plant se concentration on elk dietary preferences. the objective of this study was to determine, under controlled conditions, the preference of elk for feeds varying in se concentrations. seven yearling female elk (128 ± 5 kg) were purchased from a commercial elk farm in ... | 2015 | 26440035 |
| study on the changes in enzyme and insulin-like growth factor-1 concentrations in blood serum and growth characteristics of velvet antler during the antler growth period in sika deer (cervus nippon). | this study was conducted to investigate changes in blood enzyme parameters and to evaluate the relationship between insulin-like growth factor-1 (igf-1), antler growth and body weight during the antler growth of sika deer (cervus nippon). serum enzyme activity and igf-1 concentrations were measured in blood samples collected from the jugular and femoral veins at regular intervals during the antler growth period. blood samples were taken in the morning from fasted stags (n = 12) which were health ... | 2015 | 26194228 |
| experimental model of tympanic colic (acute abdomen) in chinchillas (chinchilla lanigera). | digestive disorders caused by sudden changes in diet or inappropriate diet are among the most common disorders of the digestive system. cecal or intestinal tympany, one consequence of inappropriate diet, is characterized by the accumulation of gases, marked distension of the cecum and colon and the induction of inflammatory processes. to know the effects of intestinal tympany on the enteric plexuses, we developed a method of experimental tympanic colic (tc) in the chinchilla lanigera. this speci ... | 2014 | 25324875 |
| reconstruction of a composite comparative map composed of ten legume genomes. | the fabaceae (legume family) is the third largest and the second of agricultural importance among flowering plant groups. in this study, we report the reconstruction of a composite comparative map composed of ten legume genomes, including seven species from the galegoid clade (medicago truncatula, medicago sativa, lens culinaris, pisum sativum, lotus japonicus, cicer arietinum, vicia faba) and three species from the phaseoloid clade (vigna radiata, phaseolus vulgaris, glycine max). to accomplish ... | 2017 | 28090266 |
| structural basis for dual functionality of isoflavonoid o-methyltransferases in the evolution of plant defense responses. | in leguminous plants such as pea (pisum sativum), alfalfa (medicago sativa), barrel medic (medicago truncatula), and chickpea (cicer arietinum), 4'-o-methylation of isoflavonoid natural products occurs early in the biosynthesis of defense chemicals known as phytoalexins. however, among these four species, only pea catalyzes 3-o-methylation that converts the pterocarpanoid isoflavonoid 6a-hydroxymaackiain to pisatin. in pea, pisatin is important for chemical resistance to the pathogenic fungus ne ... | 2006 | 17172354 |
| high-performance liquid chromatography/continuous-flow liquid secondary ion mass spectrometry of flavonoid glycosides in leguminous plant extracts. | a method for the identification of flavonoid glycosides utilizing continuous-flow liquid secondary ion mass spectrometry (cf-lsims) is presented. minimum detectable quantities (mdqs) were determined for three model flavonoid glycosides (rutin, naringin and esculin) by both positive ion direct insertion probe (dip)-lsims (1.6 nmol, 1.7 nmol and 730 pmol, respectively) and positive ion cf-lsims (330 pmol, 340 pmol and 290 pmol, respectively). optimization of cf-lsims instrumental parameters was pe ... | 1996 | 8799289 |
| interrelations between herbage yield, α-tocopherol, β-carotene, lutein, protein, and fiber in non-leguminous forbs, forage legumes, and a grass-clover mixture as affected by harvest date. | pastures with diverse botanical composition may enhance animal-derived product quality. a recent study demonstrated high vitamin concentrations and yields in some forb species. the objectives of the present study were to investigate interrelations between herbage yields, vitamin concentrations, protein and fiber contents and analyze the effect of harvest date. we hypothesized that interrelations would be similar across investigated forage species. four nonleguminous forbs: salad burnet (sanguiso ... | 2015 | 25573460 |
| fatty acids, α-tocopherol, β-carotene, and lutein contents in forage legumes, forbs, and a grass-clover mixture. | fresh forages are an important natural source of vitamins and fatty acids in ruminant diets, and their concentrations in forage species are important for the quality of animal-derived foods such as dairy and meat products. the aims of this study were to obtain novel information on vitamins and fatty acids (fa) in a variety of forage legumes and non-legume forb species compared to a grass-clover mixture and to explore implications for animal-derived products. seven dicotyledons [four forbs (salad ... | 2013 | 24262011 |
| models analyses for allelopathic effects of chicory at equivalent coupling of nitrogen supply and ph level on f. arundinacea, t. repens and m. sativa. | alllelopathic potential of chicory was investigated by evaluating its effect on seed germination, soluble sugar, malondialdehyde (mda) and the chlorophyll content of three target plants species (festuca arundinacea, trifolium repens and medicago sativa). the secretion of allelochemicals was regulated by keeping the donor plant (chicory) separate from the three target plant species and using different ph and nitrogen levels. leachates from donor pots with different ph levels and nitrogen concentr ... | 2012 | 22384054 |
| performance and dietary preferences of white-tailed deer grazing chicory, birdsfoot trefoil or alfalfa in north central alberta. | little information exists on the performance of deer on alternative forage species in northern temperate environments during summer and fall, the period of inherent maximum growth in deer. in performance and choice experiments, we compared live weight gain (g/kg(0.75)/day), absolute [kg/ha dry matter (dm)] and relative (% dm) herbage utilization, relative preference index (rpi) as well as plant community visitation of white-tailed deer grazing alfalfa (medicago sativa), birdsfoot trefoil (lotus ... | 2009 | 19138349 |
| nine eriophyoid mite species from iran (acari, eriophyidae). | nine eriophyoid mites, including two new species and five new records, from iran are described and illustrated. they are aceria acroptiloni shevchenko & kacalev, 1974, rec. n. on rhaponticum repens (l.) hidalgo (asteraceae); aceria anthocoptes (nalepa, 1892), rec. n. on cirsium arvense (l.) scop. (asteraceae); aceria lactucae (canestrini, 1893), rec. n. on lactuca virosa l. (asteraceae); aceria pulicarissp. n. on pulicaria gnaphalodes (vent.) boiss. (asteraceae); aceria tosichella keifer, 1969 o ... | 2011 | 22144865 |
| investigation on effect of populus alba stands distance on density of pests and their natural enemies population under poplar/alfalfa agroforestry system. | this study was carried out in order to distinguish the effect of agroforestry system (combination of agriculture and forestry) on pests and natural enemy's population in poplar research station. wood is one of the first substances that naturally was used for a long period of time. forage is an important production of natural resources too. some factors such as proper lands deficit, lack of economy, pest and disease attacks and faced production of these materials with serious challenges. agrofore ... | 2009 | 19579945 |
| essential versus alternative foods of insect predators: benefits of a mixed diet. | although many predatory insects appear to be opportunistic generalists in their selection of prey, only a subset of prey species may in fact serve as "essential foods" capable of supporting immature growth and adult reproduction. it has been suggested that other, "alternative foods" serve only to maintain the predator when essential foods are not available, but little research has evaluated the significance of a mixed diet of essential and alternative foods for predator growth or reproduction. h ... | 1999 | 28307878 |
| effects of an invading coccinellid on native coccinellids in an agricultural landscape. | seven native coccinellid species inhabited alfalfa, corn, and small grain fields in eastern south dakota prior to invasion and establishment of coccinella septempunctata l. six species occurred in all crops, however, adalia bipunctata (l.) occurred only in corn. the structure of native coccinellid communities differed significantly for years prior to compared with years after establishment of c. septempunctata in fields of the three agricultural crops. differences in community structure were acc ... | 1996 | 28307147 |
| effect of alfalfa meal in diets of laying quails on performance, egg quality and some serum parameters. | this study was conducted to investigate the effects of increasing levels of alfalfa meal in the diet of laying quails on egg production, feed consumption, feed efficiency, egg quality, egg yolk cholesterol and selected serum parameters. in this study, 192, 10-week old quails (coturnix coturnix japonica) were evenly distributed to four groups with four replicates of 12 quails each. the control group was fed a basal diet containing 0% alfalfa meal and the remaining groups received 3, 6 or 9% alfal ... | 2004 | 15264674 |
| sustainable agricultural use of natural water sources containing elevated radium activity. | relatively elevated concentrations of naturally occurring radium isotopes ((226)ra, (228)ra and (224)ra) are found in two main aquifers in the arid southern part of israel, in activity concentrations frequently exceeding the limits set in the drinking water quality regulations. we aimed to explore the environmental implications of using water containing ra for irrigation. several crops (cucumbers, melons, radish, lettuce, alfalfa and wheat), grown in weighing lysimeters were irrigated at 3 level ... | 2014 | 24345672 |
| germination and root elongation bioassays in six different plant species for testing ni contamination in soil. | in vitro short-term chronic phytotoxicity germination and root elongation test were applied to test the effects of nickel (ni) in seed germination and root elongation in six plants species: cucumis sativus (cucurbitaceae), lepidium sativum and brassica nigra (brassicaceae), trifolium alexandrinum and medicago sativa (fabaceae), phacelia tanacetifolia (boraginaceae). a naturally ni rich soil was used to compare the results obtained. unlike root elongation, germination was not affected by ni in an ... | 2014 | 24288040 |
| metal toxicity and biodiversity in serpentine soils: application of bioassay tests and microarthropod index. | eco-toxicological or bioassay tests have been intensively discussed as tools for the evaluation of soil quality. tests using soil organisms, including microarthropods and plants, allow direct estimates to be made of important soil characteristics and functions. in this study we compared the results obtained by two in vitro standard bioassays following iso or oecd guidelines: (i) the short term-chronic phytotoxicity germination and root elongation test using three different plant species cucumis ... | 2013 | 23107056 |
| determination of chlorantraniliprole residues in crops by liquid chromatography coupled with atmospheric pressure chemical ionization mass spectrometry/mass spectrometry. | an analytical method is presented for the determination of chlorantraniliprole residues in crops. chlorantraniliprole residues were extracted from crop matrixes with acetonitrile after a water soak. the extracts were passed through a strong anion-exchange (sax) spe cartridge stacked on top of a reversed-phase (rp) polymer cartridge. after both cartridges were rinsed and vacuum-dried, the sax cartridge was removed, and chlorantraniliprole was eluted from the rp polymer cartridge with acetonitrile ... | 2012 | 20922964 |
| x-ray absorption spectroscopy (xas) corroboration of the uptake and storage of ceo(2) nanoparticles and assessment of their differential toxicity in four edible plant species. | fate, transport, and possible toxicity of cerium oxide nanoparticles (nanoceria, ceo(2)) are still unknown. in this study, seeds of alfalfa (medicago sativa), corn (zea mays), cucumber (cucumis sativus), and tomato (lycopersicon esculentum) were treated with nanoceria at 0-4000 mg l(-1). the cerium uptake and oxidation state within tissues were determined using inductively coupled plasma-optical emission spectroscopy (icp-oes) and x-ray absorption spectroscopy (xas), respectively. the germinatio ... | 2010 | 20187606 |
| uptake of weathered ddt in vascular plants: potential for phytoremediation. | since the discovery of its insecticidal properties and its subsequent widespread use, ddt [2,2-bis(chlorophenyl)-1,1,1-trichloroethane] has accumulated in the environment, having a wide range of adverse effects on nontarget species. due to their hydrophobicity, ddt and other persistent organic pollutants are difficult to remove from contaminated soils, and increasingly so through time as weathering occurs. phytoremediation is an emerging plant-based technology that may be used to cost-effectivel ... | 2004 | 15573619 |
| short-term boron deprivation inhibits endocytosis of cell wall pectins in meristematic cells of maize and wheat root apices. | by using immunofluorescence microscopy, we observed rapidly altered distribution patterns of cell wall pectins in meristematic cells of maize (zea mays) and wheat (triticum aestivum) root apices. this response was shown for homogalacturonan pectins characterized by a low level (up to 40%) of methylesterification and for rhamnogalacturonan ii pectins cross-linked by a borate diol diester. under boron deprivation, abundance of these pectins rapidly increased in cell walls, whereas their internaliz ... | 2002 | 12226520 |
| effects of mixed cropping on a soil nematode community in honduras. | nematode-resistant tropical legumes are effective in reducing populations of plant-parasitic nematodes when used in rotation systems. mixed cropping is a common practice of many small farmers in central america, but little is known about the effects of tropical legumes on nematode communities under these systems. to examine the effects of intercropping on the nematode fauna associated with squash (cucurbita pepo) and cucumber (cucumis sativa) in honduras, two field experiments were conducted to ... | 1993 | 19279824 |
| rate of oviposition by culex quinquefasciatus in san antonio, texas, during three years. | two artificial oviposition sites containing aged alfalfa pellet infusion were exposed to natural populations of culex quinquefasciatus in san antonio, texas, for 3 years. numbers of egg rafts were counted daily and compared to weather data from a nearby station. egg rafts were generally most numerous in summer months, declining in fall and increasing in spring. oviposition occurred in winter only when temperatures were high enough. a particularly severe winter in 1983-84 reduced winter activity, ... | 1988 | 3199124 |
| characterization of factors mediating oviposition site choice by culex tarsalis. | fermented infusions of organic matter were tested for their effects on culex tarsalis oviposition. bermuda grass infusion and polluted water collected from a natural oviposition site (la brea tar pits, ca) enhanced oviposition rates, but an alfalfa infusion and water from a 2nd natural oviposition site (prado basin, ca) did not. bermuda grass infusion was fractionated by dialysis and filter sterilization. crude bermuda grass infusion, and fractions of the infusion containing large molecules (> 1 ... | 1995 | 7616185 |
| etoc and lambdacyhalothrin: new pyrethroid mosquito adulticides. | two new pyrethroids, etoc and lambdacyhalothrin, showed considerable promise against organophosphorus-resistant adults of culex tarsalis in laboratory tests. in field trials using nonthermal aerosols, applications of both compounds resulted in effective swaths of up to one-half mile. at the highest concentrations evaluated, residues on alfalfa foliage were less than 0.2 ppm at 1 h. residues declined greatly by 24 h and could not be detected at 48 or 72 h. | 1990 | 1983017 |
| posterior hyaloid detachment and internal limiting membrane peeling assisted by anthocyanins from acai fruit (euterpe oleracea) and 10 other natural vital dyes: experimental study in cadaveric eyes. | the purpose of this study was to determine whether natural dyes facilitate posterior hyaloid detachment (posterior vitreous detachment [pvd]) and retinal internal limiting membrane (ilm) peeling in human eyes. | 2013 | 22990318 |
| characterization of the mannan synthase promoter from guar (cyamopsis tetragonoloba). | guar seed gum, consisting primarily of a high molecular weight galactomannan, is the most cost effective natural thickener, having broad applications in the food, cosmetics, paper, pharmaceutical and petroleum industries. the properties of the polymer can potentially be enhanced by genetic modification. development of suitable endosperm-specific promoters for use in guar is desirable for metabolic engineering of the seed gum. a ~1.6 kb guar mannan synthase (ms) promoter region has been isolated. ... | 2011 | 21249366 |
| estimation of biomass and canopy height in bermudagrass, alfalfa, and wheat using ultrasonic, laser, and spectral sensors. | non-destructive biomass estimation of vegetation has been performed via remote sensing as well as physical measurements. an effective method for estimating biomass must have accuracy comparable to the accepted standard of destructive removal. estimation or measurement of height is commonly employed to create a relationship between height and mass. this study examined several types of ground-based mobile sensing strategies for forage biomass estimation. forage production experiments consisting of ... | 2015 | 25635415 |
| forage and tree seedling growth in a soil with an encased swine sludge layer. | the closure of swine farms requires decommissioning of lagoons that contain large amounts of swine solids (sludge). sludge is typically transported and land applied to soils. however, in some cases this process could be economically prohibitive and/or unpractical. an alternative idea is to encase sludge with lagoon soil berms after removing overlying effluent, followed by establishment of forages or short-rotation woody crops on the encased sludge. the objective of this study was to investigate ... | 2013 | 23835521 |
| influence of organic and inorganic soil amendments on plant growth in crude oil-contaminated soil. | phytoremediation can be a viable alternative to traditional, more costly remediation techniques. three greenhouse studies were conducted to evaluate plant growth with different soil amendments in crude oil-contaminated soil. growth of alfalfa (medicago sativa l., cultivar: riley), bermudagrass (cynodon dactylon l., cultivar: common), crabgrass (digitaria sanguinalis, cultivar: large), fescue (lolium arundinaceum schreb., cultivar: kentucky 31), and ryegrass (lolium multiflorum lam., cultivar: ma ... | 2003 | 14750564 |
| evaluation of some weed extracts against field dodder on alfalfa (medicago sativa). | experiments were conducted to evaluate the effectiveness of some weed extracts against field doddercuscuta campestris yunck. on alfalfa (medicago stiva l.) and to identify and quantify the phytotoxic agents of these extracts. all concentrations of aqueous extract of every weed showed significant effectiveness on dodder when compared to the untreated plant under lath house and field conditions. control percentages of the (0.5 g) of bermuda grass (cynodon dactylon) and wall goosefoot (chenopodium ... | 1988 | 24275991 |
| subchronic toxicity study of gh transgenic carp. | a subchronic toxicity study of gh (growth hormone) transgenic carp was carried out with 60 sd rats aged 4 weeks, weight 115∼125 g. ten male and 10 female rats were allotted into each group. animals of the three groups (transgenic carp group (gh-tc), parental carp group (pc) and control group) were fed soy- and alfalfa-free diet (safd) with 10% gh transgenic carp powder, 10% parental carp powder or 10% common carp powder for 90 consecutive days, respectively. in the end of study, animals were kil ... | 2012 | 22889892 |
| influence of fresh alfalfa supplementation on fat skatole and indole concentration and chop odour and flavour in lambs grazing a cocksfoot pasture. | we investigated the influence of the level of fresh alfalfa supplementation on fat skatole and indole concentration and chop sensory attributes in grazing lambs. four groups of nine male romane lambs grazing a cocksfoot pasture were supplemented with various levels of alfalfa for at least 60days before slaughter. perirenal fat skatole concentration was higher for lambs that consumed alfalfa than for those that consumed only cocksfoot. the intensity of 'animal' odour in the lean part of the chop ... | 2014 | 25089784 |
| dose-dependent response of nitrogen stable isotope ratio to proportion of legumes in diet to authenticate lamb meat produced from legume-rich diets. | this study investigated the dose-dependent response in lamb meat of stable nitrogen isotope ratio to the dietary proportion of legumes, and the ability of the nitrogen isotope signature of the meat to authenticate meat produced from legume-rich diets. four groups of nine male romane lambs grazing a cocksfoot pasture were supplemented with different levels of fresh alfalfa forage to obtain four dietary proportions of alfalfa (0%, 25%, 50% and 75%) for 98 days on average before slaughter (groups l ... | 2014 | 24444961 |
| effect of hay steaming on forage nutritive values and dry matter intake by horses. | management strategies for horses with respiratory disease include soaking hay before feeding. hay steaming is an alternative to this practice; however, little is known about its impact on forage nutritive values or intake. the objective was to determine the effect of steaming on forage nutritive value and intake by horses. two alfalfa (medicago sativa l.)-orchardgrass (dactylis glomerata l.) mixed hays were evaluated: a low moldy (nm) and moderately moldy (mm) hay. six mature horses were used in ... | 2013 | 24146155 |
| storage characteristics, nutritive value, energy content, and in vivo digestibility of moist, large rectangular bales of alfalfa-orchardgrass hay treated with a propionic acid-based preservative. | unstable weather, poor drying conditions, and unpredictable rainfall events often place valuable hay crops at risk. recent research with large round bales composed of alfalfa (medicago sativa l.) and orchardgrass (dactylis glomerata l.) has shown that these large-bale packages are particularly sensitive to spontaneous heating and dry matter (dm) losses, as well as other undesirable changes with respect to forage fiber, protein, and energy density. various formulations of organic acids have been ... | 2013 | 23415527 |
| effects of spontaneous heating on estimates of total digestible nutrients for alfalfa-orchardgrass hays packaged in large round bales. | large round or large square hay packages are more likely to heat spontaneously during storage than hay packaged in conventional (45 kg) bales, and the effects of this phenomenon on the associated energy estimates for these hays can be severe. our objectives for this project were to assess the relationship between estimates of total digestible nutrients (tdn) and spontaneous heating and to describe any important differences in energy estimates that may result specifically from 2 methods of estima ... | 2010 | 20630254 |
| nitrogen- vs. phosphorus-based dairy manure applications to field crops: nitrate and phosphorus leaching and soil phosphorus accumulation. | management of animal manures to provide nutrients for crop growth has generally been based on crop n needs. however, because manures have a lower n/p ratio than most harvested crops, n-based manure management often oversupplies the crop-soil system with p, which can be lost into the environment and contribute to eutrophication of water bodies. we examined the effects of n- vs. p-based manure applications on n and p uptake by alfalfa (medicago sativa l.), corn (zea mays l.) for silage, and orchar ... | 2013 | 17071901 |
| role of rainfall intensity and hydrology in nutrient transport via surface runoff. | loss of soil nutrients in runoff accelerates eutrophication of surface waters. this study evaluated p and n in surface runoff in relation to rainfall intensity and hydrology for two soils along a single hillslope. experiments were initiated on 1- by 2-m plots at foot-slope (6%) and mid-slope (30%) positions within an alfalfa (medicago sativa l.)-orchardgrass (dactylis glomerata l.) field. rain simulations (2.9 and 7.0 cm h(-1)) were conducted under wet (spring) and dry (late-summer) conditions. ... | 2013 | 16825444 |
| herbaceous vegetation productivity, persistence, and metals uptake on a biosolids-amended mine soil. | the selection of plant species is critical for the successful establishment and long-term maintenance of vegetation on reclaimed surface mined soils. a study was conducted to assess the capability of 16 forage grass and legume species in monocultures and mixes to establish and thrive on a reclaimed appalachian surface mine amended with biosolids. the 0.15-ha coarse-textured, rocky, non-acid forming mined site was prepared for planting by grading to a 2% slope and amending sandstone overburden ma ... | 2012 | 16151233 |
| vertical leaf nitrogen distribution in relation to nitrogen status in grassland plants. | vertical gradients of leaf nitrogen (n) per unit leaf area (nla) are viewed as plastic responses that optimize n utilization with respect to carbon assimilation. however, it has been shown that plant species, sowing density and n availability affect the steepness of the nla gradient relative to the photon flux density (pfd) gradient. this paper tests the hypothesis that such variation is related to the n status of the plant. the n status was analysed using the concept of the critical n concentra ... | 2003 | 12967909 |
| oxygen deficiency affects carbohydrate reserves in overwintering forage crops. | anaerobic conditions developing under an ice cover affect winter survival and spring regrowth of economically important perennial crops. the objective was to compare, during a prolonged period of low (<2%) o2 at low temperature, the concentration of carbohydrates of four plant species contrasting in their resistance to oxygen deficiency. four perennial forage species, lucerne (medicago sativa l.), red clover (trifolium pratense l.), timothy (phleum pratense l.), and cocksfoot (dactylis glomerata ... | 2003 | 12754268 |
| [evolution of microflora during the conservation of forage in microsilos]. | fresh and wilted samples of lolium italicum a. br., dactylis glomerata l., medicago sativa l., have been ensiled in laboratory microsilos for the study of microflora evolution. the principal microbial groups (coliforms, proteolytic bacteria, clostridia, lactic acid bacteria, yeasts) have been detected and enumerated, in anaerobic atmosphere, after 8, 15, 22, 29, 36, 180 days of ensiling. although the number of lactic acid bacteria resulted to the high in all the samples studied, they failed to p ... | 2006 | 7187351 |
| inorganic chemical composition of trout food pellets and alfalfa used to sustain daphnia magna straus. | | 1985 | 4016297 |
| bioassessment of heavy metals in the surface soil layer of an opencast mine aimed for its rehabilitation. | the contemporary reclamation method in an opencast coal mine closure comprises the use of the preserved surface soil layer (ssl) before mining, and can be directly returned to the areas being rehabilitated. the present study emphasizes a risk in the use of such a ssl in mine rehabilitation due to the possible excessive amount of heavy metals which usually derives from a metal-rich sediment or fluvial character of overburden material. this indication was approved by the bioassessment of cadmium ( ... | 2017 | 27823905 |
| effects of ten antibiotics on seed germination and root elongation in three plant species. | we applied a screening-level phytotoxicity assay to evaluate the effects of 10 antibiotics (at concentrations ranging from 1 to 10,000 μg/l) on germination and early plant growth using three plant species: lettuce (lactuca sativa), alfalfa (medicago sativa), and carrot (daucus carota). the range of phytotoxicity of the antibiotics was large, with ec₂₅s ranging from 3.9 μg/l to >10,000 μg/l. chlortetracycline, levofloxacin, and sulfamethoxazole were the most phytotoxic antibiotics. d. carota was ... | 2011 | 21107831 |
| an integrated approach to demonstrating the anr pathway of proanthocyanidin biosynthesis in plants. | proanthocyanidins (pas) are oligomers or polymers of plant flavan-3-ols and are important to plant adaptation in extreme environmental conditions. the characterization of anthocyanidin reductase (anr) and leucoanthocyanidin reductase (lar) has demonstrated the different biogenesis of four stereo-configurations of flavan-3-ols. it is important to understand whether anr and the anr pathway widely occur in the plant kingdom. here, we report an integrated approach to demonstrate the anr pathway in p ... | 2012 | 22678031 |
| field and vegetable crops as hosts of larval western spotted cucumber beetle (coleoptera: chrysomelidae). | the western spotted cucumber beetle, diabrotica undecimpunctata undecimpunctata mannerheim, is an important pest of melons (cucurmis melo l.) in northern california. recent observations indicate that adults are using alfalfa (medicago sativa l.) as a feeding host and larvae may be developing on the roots. greenhouse studies were conducted during the winters of 2009 and 2010 in which larval development was compared on the roots of six field and vegetable crops commonly grown in the southern sacra ... | 2011 | 22251641 |
| management strategies of iron accumulation in a captive population of black rhinoceroses (diceros bicornis minor). | during routine health screens for black rhinoceroses (diceros bicornis minor) in a captive setting, serum iron and ferritin were analyzed as well as total iron binding capacity and total iron saturation. trends for ferritin and percent iron saturation showed steady increases since 2003 in four of four animals (three males; one female) with two animals (one male; one female) consistently showing higher elevations over conspecifics. the historical diet had been comprised of a commercial or in-hous ... | 2012 | 23156710 |
| allelopathy and allelopathic substance in the moss rhynchostegium pallidifolium. | an aqueous methanol extract of the moss rhynchostegium pallidifolium, which often forms large pure colonies on soils and rocks, inhibited the growth of cress (lepidium sativum), alfalfa (medicaga sativa), lettuce (lepidium sativum), ryegrass (lolium multiflorum), timothy (phleum pratense) and digitaria sanguinalis seedlings. increasing the extract concentration increased the inhibition. these results suggest that r. pallidifolium may show allelopathic activity. the extract was purified and a put ... | 2010 | 20018404 |
| allelopathic potential of citrus junos fruit waste from food processing industry. | the allelopathic potential of citrus junos fruit waste after juice extraction was investigated. aqueous methanol extracts of peel, inside and seeds separated from the fruit waste inhibited the growth of the roots and shoots of alfalfa (medicago sativa l.), cress (lepidium sativum l.), crabgrass (digitaria sanguinalis l.), lettuce (lactuca sativa l.), timothy (pheleum pratense l.), and ryegrass (lolium multiflorum lam.). the inhibitory activity of the peel extract was greatest and followed by tha ... | 2004 | 15158515 |
| small mammal community ecology : changes in species diversity in response to manipulated productivity. | the abundance of food in natural 1-ha plot of shortgrass prairie was artificially manipulated by adding alfalfa pellets and whole oats on a regular schedule. the small mammal species naturally inhabiting the manipulated food plot did not respond in either their density or weight to the supplemented food. however, a new specialized seed-eating species, dipodomys ordii, invaded the food plot and persisted in relatively high density. as a result of this colonization, species diversity was significa ... | 1978 | 28309543 |
| characterization of cecal microbiota of the emu (dromaius novaehollandiae). | emus (dromaius novaehollandiae), large flightless ratites native to australia, are farmed for their fat and meat. they are omnivorous and feed on a wide variety of plants and insects. despite having a relatively simple gastrointestinal tract and a short digesta retention time, emus are able to digest a significant portion of the ingested dietary neutral detergent fibre. however, nothing is known about the microbial diversity in their gastrointestinal tract. in this study, we evaluated the phylog ... | 2013 | 23850439 |
| [feeding preferences of the spider misumenops pallidus (araneae: thomisidae) on potential prey insects from alfalfa crops]. | the spider misumenops pallidus (thomisidae) is commonly found in alfalfa crops. we studied its predatory preferences on potential insect prey, particularly regarding agroecosystems pests. two kinds of tests were done under normal laboratory conditions: simultaneous presentation of prey (n = 215) and alternative prey test (n = 45). the spiders preferred insects that were mobile, small, without defensive glands and with thin exoskeletons. according to the amount of prey consumed, we established fo ... | 2006 | 18494318 |
| treatment and remediation of petroleum-contaminated soils using selective ornamental plants. | pot-culture experiments were carried out to assess the phytoremediation potential of 14 ornamental plants in weathered petroleum-contaminated soil, which was collected in the shengli oil field, one of the biggest oil fields in china, by examining their impact on the degradation potential of total petroleum hydrocarbons (tphs) and its composition. results showed gaillardia aristata, echinacea purpurea, fawn (festuca arundinacea schreb), fire phoenix (a combined f. arundinacea), and medicago sativ ... | 2012 | 22693416 |
| a potent phytotoxic substance in aglaia odorata lour. | aglaia odorata lour. (meliaceae) was found to have very strong allelopathic activity and a bioherbicide porganic(™) was developed from its leaf extracts. however, the phytotoxic substances causing the strong allelopathic activity of the plants have not yet been determined. therefore, we investigated allelopathic properties and phytotoxic substances in a. odorata. aqueous etoh extracts of a. odorata leaves inhibited root and shoot growth of garden cress (lepidum sativum), lettuce (lactuca sativa) ... | 2016 | 27088639 |
| phytotoxic activity of ocimum tenuiflorum extracts on germination and seedling growth of different plant species. | phytotoxic activity of ocimum tenuiflorum (lamiaceae) plant extracts was investigated against the germination and seedling growth of cress (lepidium sativum), lettuce (lactuca sativa), alfalfa (medicago sativa), italian ryegrass (lolium multiflorum), barnyard grass (echinochloa crus-galli), and timothy (phleum pratense) at four different concentrations. the plant extracts at concentrations greater than 30 mg dry weight equivalent extract ml(-1) reduced significantly the total germination percent ... | 2014 | 25032234 |
| allelopathy is involved in the formation of pure colonies of the fern gleichenia japonica. | the fern gleichenia japonica is one of the most widely distributed fern and occurs throughout east to south asia. the species often dominates plant communities by forming large monospecific colonies. however, the potential mechanism for this domination has not yet been described. the objective of this study was to test the hypothesis that allelochemicals are involved in the formation of g. japonica colonies. an aqueous methanol extract of g. japonica inhibited the growth of seedlings of garden c ... | 2013 | 23286996 |
| phytotoxicity and uptake of nitroglycerin in a natural sandy loam soil. | nitroglycerin (ng) is widely used for the production of explosives and solid propellants, and is a soil contaminant of concern at some military training ranges. ng phytotoxicity data reported in the literature cannot be applied directly to development of ecotoxicological benchmarks for plant exposures in soil because they were determined in studies using hydroponic media, cell cultures, and transgenic plants. toxicities of ng in the present studies were evaluated for alfalfa (medicago sativa), b ... | 2011 | 21975007 |
| toxicity of 2,4-dinitrotoluene to terrestrial plants in natural soils. | the presence of energetic materials (used as explosives and propellants) at contaminated sites is a growing international issue, particularly with respect to military base closures and demilitarization policies. improved understanding of the ecotoxicological effects of these materials is needed in order to accurately assess the potential exposure risks and impacts on the environment and its ecosystems. we studied the toxicity of the nitroaromatic energetic material 2,4-dinitrotoluene (2,4-dnt) o ... | 2010 | 20471667 |
| allelopathic polyacetylenes fromcentaurea repens (russian knapweed). | the allelopathic weed russian knapweed (centaurea repens) was found to contain polyacetylenes viii-xiv in the roots. dose vs. response of the root length elongation against lettuce, alfalfa, barnyard grass, and red millet showed ix to be active. closely related isomers were not active. examination of the soil surrounding the russian knapweed roots revealed the presence of ix in sufficient concentration to have an appreciable effect on the surrounding plant community. | 1986 | 24307103 |
| phytotoxic properties of nordihydroguaiaretic acid, a lignan fromlarrea tridentata (creosote bush). | the phytotoxic properties of nordihydroguaiaretic acid (ndga) isolated from creosote bush,larrea tridentata (zygophyllaceae), were examined. ndga dramatically reduces the seedling root growth of barnyard grass, green foxtail, perennial ryegrass, annual ryegrass, red millet, lambsquarter, lettuce, and alfalfa, and reduces the hypocotyl growth of lettuce and green foxtail. it has no effect on the germination of lettuce seeds. ndga almost certainly contributes to the observed allelopathic nature of ... | 1985 | 24311094 |
| effects, transfer, and fate of rdx from aged soil in plants and worms. | the objectives of this study were to provide data that can be used to predict exposure-based effects of rdx in aged soil on multiple endpoint organisms representing two trophic levels. these data can be used for defining criteria or reference values for environmental management and conducting specific risk assessment. dose-response experiments formed the basis for the evaluation of toxic effects and transfer of contaminants from soil into two trophic levels. long-term exposure tests were conduct ... | 2006 | 16045966 |
| revisiting the economic injury level and economic threshold model for potato leafhopper (hemiptera: cicadellidae) in alfalfa. | the economic injury level for potato leafhopper, empoasca fabae (harris), in alfalfa (medicago sativa l.) was developed over 30 yr ago. in response to increasing market value of alfalfa, farmers and consultants are interested in reducing the economic threshold for potato leafhopper in alfalfa. to address this question, caged field trials were established on two consecutive potato leafhopper susceptible crops in 2013. field cages were infested with a range of potato leafhopper densities to create ... | 2015 | 26470316 |
| population responses of potato leafhopper (hemiptera: cicadellidae) to insecticide in glandular-haired and non-glandular-haired alfalfa cultivars. | conflicting results have been reported on the ability of glandular-haired alfalfa (medicago sativa l.) cultivars to reduce potato leafhopper, empoasca fabae harris, population abundance in field environments. we measured potato leafhopper adult and nymph abundance and yield responses in a cultivar selected for high potato leafhopper resistance ('54h91') and in a non-glandular-haired susceptible cultivar ('54v54') with and without insecticide treatment across 3 yr. treatments included no insectic ... | 2014 | 26470072 |
| population dynamics of empoasca fabae (hemiptera: cicadellidae) in central iowa alfalfa fields. | adults and nymphs of empoasca fabae harris (hemiptera: cicadellidae) and adults of predatory species in the families coccinellidae, anthocoridae, nabidae, chrysopidae, and hemerobiidae were sampled in iowa alfalfa fields from june to september in 1999 and 2000. the relationship between each predatory taxa and e. fabae was examined using regression analysis. in 2000, all predators were found to be positively correlated with the presence of e. fabae during all periods sampled and most likely contr ... | 2015 | 26320260 |
| the lectin reactivity and lectin-like activity of allergenic pollen extracts. | the binding of soluble components of pollen grains to plant-stigma receptors can be inhibited by concanavalin a. this lectin-like activity of pollen components is important in the genetic control of plant reproduction. aqueous extracts of allergenic pollens also react with concanavalin a. agarose gel-diffusion precipitates were used to survey and characterize the ability of allergenic pollen extracts to react with concanavalin a and other lectins. concanavalin a alone precipitated with extracts ... | 1984 | 6425389 |
| effects of untreated and treated wastewater at the morphological, physiological and biochemical levels on seed germination and development of sorghum (sorghum bicolor (l.) moench), alfalfa (medicago sativa l.) and fescue (festuca arundinacea schreb.). | wastewater reuse in agriculture may help mitigate water scarcity. this may be reached if high quality treatments removing harmful pollutants are applied. the aim of the present study was to compare the effect of untreated (utw) and treated wastewater (tw) on germination and seedlings development of alfalfa (medicago sativa l.), fescue (festuca arundinacea schreb.) and sorghum (sorghum bicolor (l.) moench). utw presented high turbidity (130 ntu), chemical and biological oxygen demand (cod, 719mgl ... | 2017 | 28013160 |
| ergot alkaloids from endophyte-infected tall fescue decrease reticuloruminal epithelial blood flow and volatile fatty acid absorption from the washed reticulorumen. | an experiment was conducted to determine if ergot alkaloids affect blood flow to the absorptive surface of the rumen. steers (n=8) were pair-fed alfalfa cubes and received ground endophyte-infected (neotyphodium coenophialum) tall fescue (lolium arundinaceum; e+) seed (0.015 mg ergovaline·kg bw(-1)·d(-1)) or endophyte-free tall fescue (e-) seed via the rumen cannula 2x daily for 7 d at thermoneutral (tn; 22°c) and heat stress (hs; 32°c) conditions. on d 8, the rumen was emptied and rinsed. a buf ... | 2013 | 23989869 |
| legume-grass intercropping phytoremediation of phthalic acid esters in soil near an electronic waste recycling site: a field study. | a field experiment was conducted to study the phytoremediation of phthalic acid esters (paes) by legume (alfalfa, medicago sativa l.)-grass (perennial ryegrass, lolium perenne l. and tall fescue, festuca arundinacea) intercropping in contaminated agricultural soil at one of the largest e-waste recycling sites in china. two compounds, dehp and dnbp, were present in the soil and in the shoots of the test plants at much higher concentrations than the other target paes studied. over 80% of 'total' ( ... | 2013 | 23487993 |
| [effect of cr(vi) stress on growth of three herbaceous plants and their cr uptake]. | in order to elucidate the toxic mechanisms of trifolium repens, festuca arundinacea and medicago sativa under chromium [cr (vi)] stress, provide a theoretic foundation for phytoremediation of cr-contaminated soil, pot experiment was conducted to investigate the effects of cr(vi) on plant growth, physiological characteristics, cr accumulation and distribution in three herbaceous plants. soil sample was treated by adding k2cr2o7 with the cr(vi) concentration of 0, 100, 200, 300 and 400 mg x kg(-1) ... | 2012 | 22946192 |
| gas chromatographic-olfactometric aroma profile and quantitative analysis of volatile carbonyls of grilled beef from different finishing feed systems. | in this study, the important odor impact volatiles generated in the meat of grilled beef loin muscle were characterized. animals were finished in 4 different diet systems: t₁, pasture (a mixture of medicago sativa, trifolium repens, and festuca arundinacea); t₂, pasture supplemented with cracked corn grain (offered at 0.6% live weight, lw); t₃, pasture supplemented with cracked corn grain (offered at 1.2% lw); and t₄, concentrate (pellets with 85% corn and 12.8% sunflower, on a dry-matter basis) ... | 2012 | 22591324 |
| preliminary note on potential use of forage crops for soil phytoremediation of dieldrin. | the aim of this trial was to evaluate the feasibility of using tall fescue (festuca arundinacea) and alfalfa (medicago sativa) for phytoremediation of dieldrin. experimental trial was carried out in greenhouse with temperature and light control. each tested crop were seeded in individual pots (10 plants/pot) filled with contaminated soil (47 microg/kg dieldrin) and uncontaminated soil collected in sites located in the province of latina (italy). samples of soil, root, and aerial part of plants w ... | 2010 | 21542488 |
| water and phosphorus content affect pah dissipation in spiked soil planted with mycorrhizal alfalfa and tall fescue. | polycyclic aromatic hydrocarbon (pah) dissipation efficiency can be increased in the plant rhizosphere, but may be affected by various environmental factors. we investigated the effects of the watering regime and phosphorus concentration on pah dissipation in the rhizosphere of mycorrhizal plants in a pot experiment. two plant species, alfalfa (medicago sativa) and tall fescue (festuca arundinacea), were co-cultured and inoculated with an arbuscular mycorrhizal (am) fungus (glomus intraradices) ... | 2009 | 19775720 |
| selenium and sulfur accumulation and soil selenium dissipation in planting of four herbaceous plant species in soil contaminated with drainage sediment rich in both selenium and sulfur. | four selenium (se) nonaccumulator plant species, including a forage grass species, tall fescue (festuca arundinacea schreb.), a forage legume species, alfalfa (medicago sativa l.), a wetland species, rush (juncus tenuis wild.), and a dry-land alkaline soil species, saltgrass (distichlis spicata l.), were grown in soil contaminated by agricultural drainage sediment having elevated levels of se and sulfur (s). the above-ground plant tissues were consecutively harvested five times and examined for ... | 2003 | 12710233 |
| digestibility, apparent mineral absorption, and voluntary intake by horses fed alfalfa, tall fescue, and caucasian bluestem. | alfalfa (medicago sativa l.), low-endophyte (< 5%) tall fescue (festuca arundinacea schreb.), and caucasian bluestem (bothriochloa caucasica [trin.] c.e. hubbard) were fed as chopped hay to six arabian geldings (bw 441 kg; se 2) in intake and digestibility experiments to determine nutritional value for horses at maintenance. each experimental design was a replicated latin square. alfalfa was higher in dm and cp digestibility, ivdmd, apparent absorption of ca, k, and s, and voluntary intake than ... | 1997 | 9250529 |
| effects of polyploidy on photosynthesis. | in polyploid plants the photosynthetic rate per cell is correlated with the amount of dna per cell. the photosynthetic rate per unit leaf area is the product of the rate per cell times the number of photosynthetic cells per unit area. therefore, the photosynthetic rate per unit leaf area will increase if there is a less than proportional increase in cell volume at higher ploidal levels, or if cell packing is altered to allow more cells per unit leaf area. in autopolyploids (medicago sativa, c3 s ... | 1993 | 24318680 |