using plant wax markers to estimate the diet composition of grazing holstein dairy cows. | the objective of this study was to test whether diet selection of dairy cows under grazing conditions could be estimated using plant wax markers. furthermore, differences between 2 cow strains and the effect of concentrate supplementation on plant species selection were investigated. the experiment was a study with a crossover design performed on an organic farm with 12 swiss holstein cows and 12 new zealand holstein cows. both experimental periods consisted of a 21-d adaptation and a 7-d measur ... | 2017 | 27939548 |
the mads-domain protein agamous-like 15 accumulates in embryonic tissues with diverse origins. | agl15 (agamous-like 15), a member of the mads-domain family of regulatory factors, accumulates preferentially in the organs and tissues derived from double fertilization in flowering plants (i.e. the embryo, suspensor, and endosperm). the developmental role of agl15 is still undefined. if it is involved in embryogenesis rather than some other aspect of seed biology, then agl15 protein should accumulate whenever development proceeds in the embryonic mode, regardless of the origin of those embryos ... | 1999 | 10318690 |
host plant suitability and feeding preferences of the grapevine pest abagrotis orbis (lepidoptera: noctuidae). | thirteen plant species were tested for their suitability as hosts for abagrotis orbis (grote), a climbing cutworm pest of grapevines in british columbia. choice tests were also conducted to investigate larval feeding preferences for the brassicaceae species joi choi, brassica rapa variety. chinensis l., spring draba; draba verna l.; and shepherd's purse, capsella bursa-pastoris (l.) medik; compared with postdormant buds of grape, vitis vinifera l. (vitaceae), and leaves of nine other plant speci ... | 2011 | 22217761 |
[treatment of chronic colitis with an herbal combination of taraxacum officinale, hipericum perforatum, melissa officinaliss, calendula officinalis and foeniculum vulgare]. | twenty four patients with chronic non-specific colitis were treated with a herb combination. as a result from the treatment, the spontaneous and palpable pains along the large intestine disappeared in 95.83 per cent of the patients by the 15th day of their admission to the clinic. defecation became daily in the patients with obstipation syndrome, but a combination of rhamus frangula, citrus aurantium, c. carvi was added to the herb combination already indicated. defecation was normalized in pati ... | 1981 | 7336706 |
flock size and habitat-dependent food and energy intake of foraging goldfinches. | during the breeding season goldfinches (carduelis carduelis l.) feed on milky ripe seeds of about 20 food plants. individual goldfinches joining a flock reduce the time spent vigilant with increasing flock size. therefore birds feeding in flocks get an increased intake of kernels per time unit. this was measured for five different food plants (dactylis glomerata (gramineae), knautia arvensis (dipsacaceae), senecio vulgaris, taraxacum officinale, tragopogon pratensis (compositae)). in large-sized ... | 1986 | 28312098 |
altered gene expression in three plant species in response to treatment with nep1, a fungal protein that causes necrosis. | nep1 is an extracellular fungal protein that causes necrosis when applied to many dicotyledonous plants, including invasive weed species. using transmission electron microscopy, it was determined that application of nep1 (1.0 micro g ml(-)(1), 0.1% [v/v] silwet-l77) to arabidopsis and two invasive weed species, spotted knapweed (centaurea maculosa) and dandelion (taraxacum officinale), caused a reduction in the thickness of the cuticle and a breakdown of chloroplasts 1 to 4 h after treatment. me ... | 2003 | 12857840 |
effects of carbaryl-bran bait on trap catch and seed predation by ground beetles (coleoptera: carabidae). | carbaryl-bran bait is effective against grasshoppers without many impacts on nontarget organisms, but ground beetles (coleoptera: carabidae) may be susceptible to these baits. carabids are beneficial in agricultural settings as predators of insect pests and weed seeds. carabid species and their consumption of weed seeds have not been previously studied in agricultural settings in alaska. this study examined the effect of grasshopper bran bait on carabid activity-density, as measured by pitfall t ... | 2013 | 23786053 |
[compositae dermatitis]. | compositae dermatitis is an allergic contact dermatitis caused by plant species of the compositae family. the first report of a cutaneous reaction to the chrysanthemum genus was made by howe js in 1887. in 1895 maiden jh reported about skin lesions among men working with tagetes minuta. case reports of contact allergic-ragweed dermatitis appeared in the american literature as early as 1919. the north american feverfew--parthenium hysterophorus was brought to india from america in 1956 and it cau ... | 2009 | 12793186 |
carotenoid and chlorophyll composition of commonly consumed leafy vegetables in mediterranean countries. | major chloroplast pigments in five leafy vegetables (chicory-cichorium intybus, cv. 'anivip' and cv. 'monivip', dandelion-taraxacum officinale, garden rocket-eruca sativa and wild rocket-diplotaxis tenuifolia), commonly consumed in mediterranean countries, have been separated by high-performance liquid chromatography (hplc) on a reversed-phase column. three classes of pigments were identified and quantified: xanthophylls (oxygenated carotenoids), carotenes (hydrocarbon carotenoids) and chlorophy ... | 2011 | 25212352 |
[nutrient content in vegetable species from the argentine chaco]. | the nutrient composition was investigated in wild vegetable products grown in the argentine chaco. the evaluated species were: rumex sp., amaranthus quitensis and taraxacum officinale, as vegetable leaves; morrenia odorata, passiflora sp. (in two ripening stages) and eugenia myrciantes as fruits; and the pollen of the flowers of typha domingensis. sampling was performed during three harvesting seasons. values for protein, total lipid, crude fiber, ash, reducing and total sugar, starch, total pec ... | 1997 | 9673684 |
proteins in the roots of the perennial weeds chicory (cichorium intybus l.) and dandelion (taraxacum officinale weber) are associated with overwintering. | roots are the overwintering structures of herbaceous perennial weeds growing in temperate climates. during the fall they accumulated reserves which are remobilized when growth resumes in the spring. an 18kda (kilodalton) protein increases in both chicory and dandelion roots during the fall months. the proteins in both species are antigenically similar, and are recognized also by an antibody to a storage-protein deposited in jerusalem artichoke (helianthus tuberosus) tubers. in chicory, the prote ... | 1990 | 24197187 |
priority of color over scent during flower visitation by adult vanessa indica butterflies. | most flower visitors innately prefer a particular color and scent, and use them as cues for flower recognition and selection. however, in most cases, since color and scent serve as a combined signal, not only does the preference for an individual cue, but also the preference hierarchy among different cues, influence their flower visitation. in the present study, we attempted to reveal (1) the chromatic and (2) the olfactory cues that stimulate flower visiting, and (3) the preference hierarchy be ... | 2005 | 15688217 |
different anti-adipogenic effects of bio-compounds on primary visceral pre-adipocytes and adipocytes. | several natural compounds exhibit strong capacity for decreasing triglyceride accumulation, enhancing lipolysis and inducing apoptosis. the present study reports the anti-adipogenic effects of silybum marianum (sl), citrus aurantium (ca), taraxacum officinale (to), resveratrol (re), curcuma longa (cu), caffeine (cf), oleuropein (ol) and docosahexaenoic acid (dha) in reducing differentiation and increasing lipolysis and apoptosis. analyses were performed on human primary visceral pre-adipocytes a ... | 2016 | 27540349 |
wild food plants traditionally consumed in the area of bologna (emilia romagna region, italy). | this research was performed in an area belonging to the province of the city of bologna (emilia-romagna region, northern italy). the purpose of the present survey was to record the local knowledge concerning traditional uses of wild food plants and related practices, such as gathering, processing, cooking, therapeutic uses, with the aim of preserving an important part of the local cultural heritage. | 2014 | 25258146 |
total phenolic content, antioxidant and antimicrobial activities of some medicinal plants. | crude extracts from inula aucherana, fumaria officinalis, crocus sativus, vicum album, tribulus terestris, polygonatum multiflorum, alkanna tinctoria and taraxacum officinale were screened for their in vitro antioxidant and antimicrobial properties. total phenolic content of extracts from these plants were also determined. beta-carotene bleaching assay and folin-ciocalteu reagent were used to determine total antioxidant activity and total phenols of plant extracts. antimicrobial activity was det ... | 2009 | 19168430 |
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 |
antiproliferative activity and phenotypic modification induced by selected peruvian medicinal plants on human hepatocellular carcinoma hep3b cells. | the high incidence of human hepatocellular carcinoma (hcc) in peru and the wide use of medicinal plants in this country led us to study the activity against hcc cells in vitro of somes species used locally against liver and digestive disorders. | 2015 | 25701751 |
antioxidant capacity changes and phenolic profile of echinacea purpurea, nettle (urtica dioica l.), and dandelion (taraxacum officinale) after application of polyamine and phenolic biosynthesis regulators. | the changes of the antioxidant (aoa) and antiradical activities (ara) and the total contents of phenolics, anthocyanins, flavonols, and hydroxybenzoic acid in roots and different aerial sections of echinacea purpurea, nettle, and dandelion, after treatment with ornithine decarboxylase inhibitor, a polyamine inhibitor (o-phosphoethanolamine, kf), and a phenol biosynthesis stimulator (carboxymethyl chitin glucan, cchg) were analyzed spectrophotometrically; hydroxycinnamic acids content was analyze ... | 2007 | 17579437 |