Publications

induction of anti-timothy pollen reaginic antibodies and their cross-reactivity in the rat.	anti-timothy pollen reaginic antibody produced in rats cross-reacted with a large number of grass pollen antigens (orchard, june grass, perennial rye grass, velvet, meadow fescue, red top and broncho grass), but did not react with bermuda, brome and johnson grass.	1977	911069
the use of peptide-mediated electrofusion to select monoclonal antibodies directed against specific and homologous regions of the potyvirus coat protein.	whilst monoclonal antibodies (mab) to potyviruses have been generated, it has not been possible to produce molecules with high specificity or broad reactivity to defined conserved amino acid sequences. in the current study, peptide-mediated electrofusion was used to select for high efficiency antibody-secreting hybridomas after mice were immunized with highly immunogenic viral coat protein. mice were immunized with coat protein from either one potyvirus (potato virus y, pvy-d) or a mixture of fi ...	1991	1719098
clinical significance of aero-allergen identification in the western cape.	positive identification and documentation of the seasonal variation of aero-allergens and the immune responses to them has important implications for the timing of allergen avoidance measures and the selection of patients suitable for immunotherapy. the relative abundance of aero-allergens in the cape peninsula during 1984-1987 was measured by continuous volumetric air sampling, using a burkard spore trap. mould spore counts of greater than 3,000 spores/m3 were found throughout the year and were ...	1991	1989093
possible repetitive dna markers for eusorghum and parasorghum and their potential use in examining phylogenetic hypotheses on the origin of sorghum species.	genomic structures of two major species in section eusorghum (sorghum), sorghum bicolor and sorghum halepense, and their phylogenetic relationships with a species in section parasorghum, sorghum versicolor, were studied by using cloned repetitive dna sequences from the three species. of the five repetitive dna clones isolated from s. bicolor and s. halepense, four produced qualitatively similar hybridization patterns with detectable variations in copy numbers of some of the restriction fragments ...	1991	2055449
cross-allergenicity among the grasses.	rast inhibition was employed to determine the allergenic relationship of five common western grasses (brome, quack, western wheat, salt, and grama), three southern grasses (bermuda, johnson, and bahia), and six common northern grasses (timothy, june, rye, red top, meadow fescue, and sweet vernal). the patterns of cross-allergenicity suggested by these studies were compared to those suggested by the botanical classification of these grasses. there was significant cross-allergenicity among the gra ...	1985	3970392
[histological data on the experimental toxicity of sorghum halepense pers].		1969	5399974
hypersensitivity to inhaled flour allergens. comparison between cereals.	radioallergosorbent testing (rast) of sera from subjects sensitized to wheat and rye flour indicated that there is significant reaction with seed extracts of 12 cereals (wheat, durum wheat, triticale, cereal rye, barley, rye grass, oats, canary grass, rice, maize, sorghum and johnson grass). results were evaluated in terms of taxonomic relationships and of the electrophoretically determined protein composition of the cereal extracts. rast uptakes were uniformly low in sera from four rhinitic bak ...	1980	6154431
effects of herbicides on the concentration of poisonous compounds in plants: a review.	herbicides may raise, lower, or not affect the concentration of poisonous compounds in plants. herbicides, 2,4,5-t and silvex controlled wasatch milkvetch (astragalus miser var oblongifolius) and markedly reduced the concentration of miserotoxin, a poisonous aliphatic nitro compound. the concentration of phototoxic furocoumarins in the leaves of spring parsley (cymopterus watsonii) decreased to nontoxic concentrations 4 to 5 weeks after treatment with 2,4-d. the hydrocyanic acid content of wild ...	1983	6318617
peptide mapping analysis of group i allergens of grass pollens.	group i allergens, from eight different clinically important grass pollens of the pooideae (rye-grass, canary, kentucky bluegrass, orchard and timothy), chloridoideae (bermuda grass) and panicoideae (johnson grass, maize) were isolated by sodium dodecyl sulphate polyacrylamide gel electrophoresis and subjected to limited partial proteolysis and cyanogen bromide cleavage. the generated digests were visualised on gels by silver staining. replicate gels were blotted and screened with lolp i-specifi ...	1993	7691298
isolation and characterization of group-i isoallergens from bermuda grass pollen.	two isoallergens of cyn d i were isolated using preparative isoelectric focussing, and were designated cyn d ia and b. these isoallergens differ in their pi, molecular weight (cyn d ia, 32 kd and cyn d ib, 31 kd) and their nh2-terminal sequence. four monoclonal antibodies (mabs) were produced using cyn d ia as antigen. these mabs recognized both cyn d ia and b. one of the mabs recognized four different pi forms of cyn d i on 2d gels. the mabs also recognized cross-reactive epitopes on proteins f ...	1994	7950406
cutaneous histamine reactivity, histamine content of commercial allergens, and potential for false-positive skin test reactions in dogs.	the cutaneous reactivity of normal and atopic dogs to intradermal injections of histamine phosphate was evaluated. significant differences were not found in the mean wheal diameters of either group. commercial allergens used for intradermal skin testing and immunotherapy were determined to contain histamine. to determine whether allergen histamine content was sufficient to cause false-positive skin test results, the cutaneous response of johnson grass allergic dogs was compared, using commercial ...	1993	8253620
inhalant allergens: as a cause of respiratory allergy in east mediterranean area, turkey.	inhalant allergens were identified by analyzing the positive skin tests of 614 respiratory allergic patients. the important indoor allergens causing skin test positivity were house dust, dermatophogoides pteronyssinus, cockroach, mosquito and dermatophogoides farinea. johnson grass, cultivated wheat, rye, orchard, and cultivated corn were among important grass pollens. animal allergens like cow hair, cat and dog dander, bird and chicken feathers and horse hair caused skin test positivity in our ...	1996	8766742
allergen skin test reactivities among asthmatic thai children.	skin prick tests with 14 selected local aeroallergens were performed on 100 asthmatic children aged 0-16 years attending the pediatric allergy clinic, faculty of medicine, siriraj hospital. the 14 allergens included dermatophagoides farinae, dermatophagoides pteronyssinus, american cockroach (periplaneta americana), johnson grass (sorghum halopense), cladosporium clarosporoides, alternaria tenuis, penicillium mix, aspergillus mix, cat dander, dog dander, milk, egg white, soy and shrimp. positive ...	1997	9078689
complete nucleotide sequence and analysis of the putative polyprotein of maize dwarf mosaic virus genomic rna (bulgarian isolate).	the complete nucleotide sequence of maize dwarf mosaic virus bulgarian isolate (mdmv-bg) was determined. the viral genome was 9515 nt and contained an open reading frame encoding 3042 amino acids, flanked by 3'- and 5'-utrs of 139 and 250 nucleotides, respectively. mdmv-bg was more conserved in the coding region (52.9%) than in the utrs (45.8%) when compared to the 15 other potyviruses. of ten putative gene products of mdmv-bg, the p1 was the most variable protein (24.9%) while the nib was the m ...	1998	9787662
larval survival of anocentor nitens under simulated natural conditions.	basic knowledge about the survival of free living stages of ticks is of great importance as a practical tool to improve control methods. for anocentor nitens there is little information on this subject. eighty-four engorged females were incubated at 30 degrees c and 100% relative humidity. after 17 days, groups of 5,500 eggs each were collected and isolated in vials. age zero was defined as 10 days after eclosion had begun. at this time vials with larvae were attached to 40 sorghum halepense pla ...	2000	11193638
evidence from action and fluorescence spectra that uv-induced violet-blue-green fluorescence enhances leaf photosynthesis.	we assessed the contribution of uv-induced violet-blue-green leaf fluorescence to photosynthesis in poa annua, sorghum halepense and nerium oleander by measuring uv-induced fluorescence spectra (280-380 nm excitation, 400-550 nm emission) from leaf surfaces and determining the monochromatic uv action spectra for leaf photosynthetic o2-evolution. peak fluorescence emission wavelengths from leaf surfaces ranged from violet (408 nm) to blue (448 nm), while excitation peaks for these maxima ranged f ...	2001	11281021
the weediness of wild plants: molecular analysis of genes influencing dispersal and persistence of johnsongrass, sorghum halepense (l.) pers.	many major weeds rely upon vegetative dispersal by rhizomes and seed dispersal by "shattering" of the mature inflorescence. we report molecular analysis of these traits in a cross between cultivated and wild species of sorghum that are the probable progenitors of the major weed "johnsongrass." by restriction fragment length polymorphism mapping, variation in the number of rhizomes producing above-ground shoots was associated with three quantitative trait loci (qtls). variation in regrowth (ratoo ...	1995	11607551
plant contamination by organic pollutants in phytoremediation.	phytoremediation is a remediation technique that involves plant uptake, transformation, accumulation, and/or volatilization of soil- and aqueous-phase contaminants or by the stimulation of microbial cometabolic activity in the rhizosphere of the plant. even when the principal mechanism is by stimulation of bacteria, any resultant plant contamination cannot be overlooked. for the purpose of modeling, a two-compartment plant model has been developed. the model divides the plant into the shoot comp ...	2001	11790017
mitochondrial dna sequence divergence among schizaphis graminum (hemiptera: aphididae) clones from cultivated and non-cultivated hosts: haplotype and host associations.	a 1.0 kb region of the mitochondrial cytochrome oxidase subunit i gene from the greenbug aphid, schizaphis graminum (rondani), was sequenced for 24 field collected clones from non-cultivated and cultivated hosts. maximum likelihood, maximum parsimony and neighbour-joining phylogenies were estimated for these clones, plus 12 previously sequenced clones. all three tests produced trees with identical topologies and confirmed the presence of three clades within s. graminum. clones showed no relation ...	2002	12020358
the use of box lysimeters with freshly contaminated soils to study the phytoremediation of recalcitrant organic contaminants.	the potential for phytoremediation of soil contaminated by trinitrotoluene (tnt) and 2,2',5,5'-tetrabromobiphenyl (pbb was used as a surrogate for pcbs) was examined in a 2-year study using box lysimeters under field conditions. the treatments were a warm season grass, johnson grass, and a cool season grass, canadian wildrye, and a rotation of johnson grass and wildrye plus a fallow condition. the experiment was conducted using 12 large (1.50 m x 1.50 m x 0.75 m), in-ground, box lysimeters fille ...	2002	12038837
bioaccumulation of as, cd, cu, fe and pb in wild grasses affected by the aznalcóllar mine spill (sw spain).	the collapse of the tailing dam in the aznalcóllar pyrite mine (sw spain) occurred in april 1998 and affected approximately 4300 ha along the agrio and guadiamar valleys. an urgent soil cleaning up and remediation programme was started just after the accident. eighteen months later, mineral nutrients and trace elements concentration in soil and two wild grasses--cynodon dactylon and sorghum halepense--have been studied. three types of conditions are distinguished: (a) unaffected soils (control); ...	2002	12083702
heat and mass transfer in the vadose zone with plant roots.	the vadose zone is the intermediate medium between the atmosphere and groundwater. the modeling of the processes taking place in the vadose zone needs different approaches to those needed for groundwater transport problems because of the marked changes in environmental conditions affecting the vadose zone. a mathematical model to simulate the water flow, and the fate and transport of recalcitrant contaminants was developed, which could be applied to various bioremediation methods such as phytore ...	2002	12143995
the complete sequence of the genome of cocksfoot streak virus (csv), a grass infecting potyvirus.	the complete nucleotide sequence of cocksfoot streak virus (csv) has been determined. the viral genome comprises 9663 nucleotides, excluding a 3'-terminal poly(a) sequence. the genome of csv has a 133 nt 5'-non coding and a 260 nt 3'-non coding region. the rna of csv encodes a single polyprotein of 3089 amino acid residues and has a deduced genome organization typical for a member of the family potyviridae. csv is transmissible by aphids and has a narrow host range in the gramineae. it was compa ...	2002	12181676
chemical control of perennial and annual weeds in herbicide resistant soybean crops.	in romania, the first tests with roundup ready on soybean crops were performed in 1998, on 2 soil types: a) at teleorman station on chernozem containing 3.5% humus, 4.5% clay b) at brăila station placed in danube meadow on alluvial soil containing 3.90% humus and 46% clay. in every locality cultivated soybean cultivar s.2254 was resistant to glyphosate. during the three years of experiments (1998-2000) the crop of soybean was infested with various species of weeds (both annual and perennial) of ...	2001	12425098
a japanese encephalitis virus peptide present on johnson grass mosaic virus-like particles induces virus-neutralizing antibodies and protects mice against lethal challenge.	protection against japanese encephalitis virus (jev) is antibody dependent, and neutralizing antibodies alone are sufficient to impart protection. thus, we are aiming to develop a peptide-based vaccine against jev by identifying jev peptide sequences that could induce virus-neutralizing antibodies. previously, we have synthesized large amounts of johnson grass mosaic virus (jgmv) coat protein (cp) in escherichia coli and have shown that it autoassembled to form virus-like particles (vlps). the e ...	2003	12610124
high-level synthesis of johnson grass mosaic virus coat protein in escherichia coli and its auto-assembly to form virus-like particles.	the coat protein (cp) of johnson grass mosaic virus (jgmv) auto-assembles to form virus-like particles (vlps) and hence could be useful for presenting small peptides to the immune system. we are therefore attempting to synthesize jgmv cp in large amounts in escherichia coli. the jgmv cp-encoding dna, cloned under the bacteriophage t7 promoter, showed only low levels of cp synthesis in e. coli. the predicted secondary structure of the cp mrna showed that its translational initiation codon was par ...	2003	12651111
characterization of a novel cellulose synthesis inhibitor.	the physiological effects of an experimental herbicide and cellulose synthesis inhibitor, n2-(1-ethyl-3-phenylpropyl)-6-(1-fluoro-1-methylethyl)-1,3,5-triazine-2,4-diamine, called ae f150944, are described. in the aminotriazine molecular class, ae f150944 is structurally distinct from other known cellulose synthesis inhibitors. it specifically inhibits crystalline cellulose synthesis in plants without affecting other processes that were tested. the effects of ae f150944 on dicotyledonous plants ...	2003	12883883
vernal keratoconjunctivitis in thailand.	a prospective, cross-sectional and randomized cross-over study was conducted to study the clinical features and treatment outcome among thai patients with vernal keratoconjunctivitis (vkc). history-taking and eye examinations were performed. mild cases of vkc were given topical antihistamine four times daily. moderate and severe cases of vkc were treated with topical lodoxamide four times a day. severe cases of vkc were given topical corticosteroids. moderate and severe cases of vkc, which were ...	2003	12931748
feeding by the aphid sipha flava produces a reddish spot on leaves of sorghum halepense: an induced defense?	feeding by the aphid sipha flava produces a reddish spot on mature leaves of sorghum halepense. the present work is aimed at determining whether this plant response entails induced resistance against the aphid. old and young leaves showed the same response to aphid feeding (reddish coloration). water-stressed plants displayed a similar reddish coloration to aphid-infested plants. this was verified by evaluation of absorbance peaks of the respective leaf extracts. aphid fecundity was reduced on p ...	2001	14768815
johnson grass, sorghum halepense.		2004	15281464
crop-to-weed introgression has impacted allelic composition of johnsongrass populations with and without recent exposure to cultivated sorghum.	sorghum halepense l. (johnsongrass) is one of the world's most noxious weeds, and a paradigm for the potential dangers of crop-weed hybridization. introduced into the southeastern united states about 200 years ago, s. halepense is a close relative of cultivated sorghum (sorghum bicolor). both artificial crossing and experimental field studies have demonstrated the potential for s. halepensex s. bicolor hybrid formation, but no prior study has addressed the long-term persistence of sorghum genes ...	2005	15910333
allelopathic effects of weeds extracts against seed germination of some plants.	this study investigated the allelopathic effects of various weeds extracts on seed germination of 11 crop species. most of the weed extracts tested had inhibitory effects on seed germination of common bean, tomato, pepper, squash, onion, barley, wheat, and corn at different application rates as compared with the 10% acetone control. chickpea seed germination was inhibited by extracts of solanum nigrum l., chenopodium album l., and matricaria chamomilla l. (10%, 20% and 22.5%, respectively) at th ...	2005	16161968
sorghum expressed sequence tags identify signature genes for drought, pathogenesis, and skotomorphogenesis from a milestone set of 16,801 unique transcripts.	improved knowledge of the sorghum transcriptome will enhance basic understanding of how plants respond to stresses and serve as a source of genes of value to agriculture. toward this goal, sorghum bicolor l. moench cdna libraries were prepared from light- and dark-grown seedlings, drought-stressed plants, colletotrichum-infected seedlings and plants, ovaries, embryos, and immature panicles. other libraries were prepared with meristems from sorghum propinquum (kunth) hitchc. that had been photope ...	2005	16169961
beef, pork, and milk allergy (cross reactivity with each other and pet allergies).	the purposes of this study were to examine milk allergic patients to determine concomitant reactivity between milk, beef, pork and cat and dog dander and other common inhalant allergens.	2005	16213925
'candidatus phytoplasma graminis' and 'candidatus phytoplasma caricae', two novel phytoplasmas associated with diseases of sugarcane, weeds and papaya in cuba.	during 2003, surveys of sugarcane yellow leaf disease and papaya bunchy top-like disease were carried out on plantations in havana province, cuba, to determine the roles of weeds and auchenorrhyncha insects in the epidemiology of these diseases. more than 250 plant and insect samples were collected and indexed by using a nested pcr for phytoplasma 16s rdna with the generic primer pairs p1/p7 and r16f2n/r16r2. the pcr products were further characterized by restriction fragment length polymorphism ...	2005	16280510
phytotoxins from the pathogenic fungi drechslera maydis and drechslera sorghicola.	drechslera maydis, the causal agent of southern corn leaf blight, and drechslera sorghicola, the causal agent of leaf spot on johnson grass, produce a series of phytotoxic sesterterpenoids. these sesterterpenoids belong to the ophiobolin family. one of them, ophiobolin i, was characterized by x-ray diffraction and served as a crucial reference compound for characterizing four other ophiobolins. all of the ophiobolins studied produce characteristic lesions on host plants at concentrations of 1 mm ...	1987	16593832
the chemical control of shorgum halepense (johnson grass) in soybean culture in the danube meadow.	soybean cultures, especially those from the danube meadow, are very strongly infested with johnson grass, which causes big damages, by the reduction of production with 40-85%, depending on the infestation degree. before the synthesis of special herbicides for johnson grass control, this species was controlled by practicing deep tilling, repeated operations with the disk, and, after the sprouting of soy plants, by mechanical and manual hoeings. in the danube waterside, the lack of labour force fo ...	2005	16637215
the chemical control of sorghum halepense species in sunflower culture, in the danube meadow.	in the latest years, sunflower was cultivated in romania on an area of 800-900 thousand hectares. on 100 or 150 thousand hectares we find it cultivated also in agricultural farms in the danube meadow, because sunflower has favorable conditions on these soils, productions exceeding sometimes over 4000 kg/ha, of course, in irrigation conditions. in the danube meadow, the first experiments on sorghum halepense (johnson grass) species were performed by fane popa and colleagues (1986), at the agricul ...	2005	16637217
inhibition of prechill-induced dark germination in sorghum halepense (l.) pers. seeds by phytochrome transformations.	a 10 c dark prechilling of johnsongrass [sorghum halepense (l.) pers.] seeds, when terminated by a 2-hr, 40 c temperature shift, potentiates about 40% germination at 20 c in darkness. irradiation of the seeds before, during, and at the end of prechilling with far red light reduces the subsequent germination, although red irradiation after the far red can overcome some of the inhibition. however, either brief red or far red irradiation given immediately after the temperature shift inhibits subseq ...	1975	16659217
mode of action of a herbicide : johnsongrass and methanearsonic acid.	johnsongrass (sorghum halepense (l.) pers.) is sensitive to methanearsonate, foliar application resulting in a topkill. investigation of the pattern of photosynthesis by radioautography revealed an accumulation of malate in methanearsonate-treated leaves. accumulation of malate was attributed to an inhibition of nadp(+)-malic enzyme which was found to be sensitive to sulfhydryl group reagents including arsenosomethane, ch(3)aso. methanearsonate was found to act as an oxidant in the hill reaction ...	1983	16662810
carboxylesterase activities toward pesticide esters in crops and weeds.	proteins were extracted from maize, rice, sorghum, soybean, flax and lucerne; the weeds abutilon theophrasti, echinochloa crus-galli, phalaris canariensis, setaria faberii, setaria viridis, sorghum halepense and the model plant arabidopsis thaliana and assayed for carboxylesterase activity toward a range of xenobiotics. these included the pro-herbicidal esters clodinafop-propargyl, fenoxaprop-ethyl, fenthioprop-ethyl, methyl-2,4-dichlorophenoxyacetic acid (2,4-d-methyl), bromoxynil-octanoate, th ...	2006	17078983
a polyhaploid obtained from a hybrid derivative of sorghum halepense x s. vulgare var. sudanense.		1952	17247399
investigations on the germination depth of johnson grass (sorghum halepense [l.] pers).	the aim of our experiment was to gain data about the germination depth of johnson grass, and to investigate the dynamics of germination at different sowing depths. these investigations have great importance in respect of effective weed control. the experiments were carried out in the summer of 2005, using pots, in glasshouses. 50 sorghum halepense chaffy seeds per pot were sown at 1, 5, 10, 15, 20, 25 cm depth. treatments were used in 4 repeats. peat:sand mixture in 3:1 ratio was used in the exp ...	2006	17390824
ephelis on sorghum halepense in mysore.		1954	17837986
glyphosate-resistant weeds of south american cropping systems: an overview.	herbicide resistance is an evolutionary event resulting from intense herbicide selection over genetically diverse weed populations. in south america, orchard, cereal and legume cropping systems show a strong dependence on glyphosate to control weeds. the goal of this report is to review the current knowledge on cases of evolved glyphosate-resistant weeds in south american agriculture. the first reports of glyphosate resistance include populations of highly diverse taxa (lolium multiflorum lam., ...	2008	18161884
sipha maydis: distribution and host range of a new aphid pest of winter cereals in argentina.	sipha maydis (passerini) is a new aphid pest of cereals and cultivated and wild grasses in argentina. this species was recently introduced into america, and nothing is known of its distribution or host range in south america. a better understanding of its biology is likely to facilitate control. this article records 1) the distribution and 2) the host range of s. maydis in argentina. over the period 2004-2006 samples were collected from 32 populations at several localities in argentina. the numb ...	2007	18232394
[analysis of genetic relationship between sorghum (sorghum bicolor l. mench) and johnsongrass (sorghum. halepense l. pers)].	tetraploid sorghum (sorghum bicolor l. moench) line "sishentian" and johnsongrass (sorghum halepense l. pers) were used to analyze genetic differences between sorghum and johnsongrass by ssr (simple sequence repeat) markers and cytogenetic methods. the ssr analyzed results indicated: (1) there were great genetic differences between sorghum and johnsongrass, according to the different locus distribution, the chromosome linkage groups can be separated into two groups: high differences group and lo ...	2007	18254335
evolved glyphosate-resistant weeds around the world: lessons to be learnt.	glyphosate is the world's most important herbicide, with many uses that deliver effective and sustained control of a wide spectrum of unwanted (weedy) plant species. until recently there were relatively few reports of weedy plant species evolving resistance to glyphosate. since 1996, the advent and subsequent high adoption of transgenic glyphosate-resistant crops in the americas has meant unprecedented and often exclusive use of glyphosate for weed control over very large areas. consequently, in ...	2008	18273881
the analysis of the effect of different herbicides on johnson-grass in maize.	the johnson-grass (sorghum halepense /l./pers) is a perennial monocotyledon, its gen centre is in the near east. botanically this weed belongs to the monocotyledone class, poaceae (gromineae) family and within this, together with the maize to the andropogonoideaei subfamily. at the time of the first national weed survey (1947-1953) it has not been found in hungary. in the periods of the 2nd (1969-1971), 3rd (1987-1988) and 4th survey it occupied the 94th, 18th and 10th place of importance, respe ...	2007	18399452
potential of olive mill waste and compost as biobased pesticides against weeds, fungi, and nematodes.	the phytotoxic and antimicrobial properties of olive mill wastes have been widely investigated and demonstrated over the past decade. however, their potential utilization as biodegradable pesticides against plant pathogens is still poorly understood. in this study, a series of laboratory bioassays was designed to test the inhibitory effects of sterile water extracts of two-phase olive mill waste (tpomw) and tpomw composts with different degrees of stabilization on several different plant pathoge ...	2008	18471866
coat protein of potyviruses. i. comparison of the four australian strains of sugarcane mosaic virus.	as an aid to a more rational classification of the potyvirus group, we have examined the molecular weight, amino acid composition, and tryptic peptide map of the coat protein of four australian sugarcane mosaic virus strains: johnson grass (jg), sugarcane (sc), queensland blue couch grass (bc), and sabi grass (sabi). the proteins migrated as a single band in sds-polyacrylamide gel electrophoresis with molecular weights of 33,700 (sc), 34,200 (jg), 39,100 (bc), and 40,300 (sabi). the bc and sabi ...	1981	18635056
characterization of a novel potyvirus isolated from maize in israel.	a potyvirus (proposed name of zea mosaic virus [zemv]) isolated from maize in israel was analyzed by serology, sodium dodecyl sulfate-polyacrylamide gel electrophoresis (sds-page) of capsid proteins, symptomatology, and sequencing. parts of the nuclear inclusion b, coat protein, and 3' regions were sequenced; the amino acid sequence of zemv capsid was determined by time-of-flight mass spectrometry (tofms). the results of these analyses were compared with those of similar analyses of the followin ...	2000	18944557
evolutionary fate of rhizome-specific genes in a non-rhizomatous sorghum genotype.	what is the fate of organ-specific genes after the organ is lost? for sorghum propinquum and sorghum halepense genes that were previously shown to have rhizome-enriched expression, we have conducted comparative analysis of both coding regions and regulatory sequences in sorghum bicolor (non-rhizomatousness) and s. propinquum (rhizomatousness). most genes with rhizome-enriched expression appear to have similar numbers of paralogous copies in both genotypes, with only three of 24 genes studied sho ...	2009	19002204
the effect of johnsongrass (sorghum halepense (l.) pers.) densities on cotton yield.	cotton is an important crop in turkey. johnsongrass is one of the worst weeds in cotton fields worldwide. field experiments were carried out in 1992, 1997 and 2002 to show the effect of johnsongrass densities on cotton yield. johnsongrass densities were 0, 1, 2, 4, 8, 16 and 32 plants per 8 m and 0, 3, 6, 8, 11, 14 and 22 plants per 4 m of cotton row. data were fitted to equations y = 1/(a+bx8) in 1997 and 2002 for the number of johnsongrass in 8 m of row length and y = 1/(a+bx4(-1/2)) in 1992 ...	2007	19069529
control of sorghum halepense (l.) species in western part of romania.	sorghum holepense is an extremely wide spread species, being met in many european, asian, american and african countries and covering approximately 1/3 of the land cultivated with fields crops, grapevine, fruit trees and vegetables. in romania, sorghum halepense is present in almost all the country, invading in hoed-plants ad vegetable crops as well as grapevine and fruit-tree plantations. the losses caused by sorghum halepense are enormous; in case of maize and sugar beet crops, these losses re ...	2008	19226849
weed hosts of meloidogyne arenaria and m. incognita common in tobacco fields in south carolina.	thirty-two weed species common in south carolina and one cultivar of tobacco were evaluated as hosts of meloidogyne arenaria race 2 and m. incognita race 3 in the greenhouse. egg mass production and galling differed (p < 0.05) among weed species. chenopodium album, euphorbia maculata, and vicia villosa were good hosts of m. arenaria. amaranthus palmeri, rumex crispus, amaranthus hybridus, ambrosia artemisiifolia, lpomoea hederacea var. integriuscula, setaria lutescens, sida spinosa, portulaca ol ...	1988	19290313
[survival and larval development of spodoptera frugiperda (j e smith) (lepidoptera: noctuidae) on alternatives host].	two bioassays were conducted to evaluate the suitability of host plants of fall armyworm (faw), spodoptera frugiperda (j e smith), in the brazilian agro-ecosystem. larval development and survival were analyzed by infesting leaves of maize, grain sorghum, johnson grass, soybean, brachiaria and tobacco with faw newly hatched larvae in a no choice test. no significant differences of survival were observed among insects reared on different hosts, except for tobacco, where no survivors were recorded. ...	2009	19347104
immunogenicity of zona pellucida glycoprotein-3 and spermatozoa ylp(12) peptides presented on johnson grass mosaic virus-like particles.	for safer and effective immunocontraception, zona (zp3) and spermatozoa specific (ylp(12)) peptides have been presented on virus-like particles (vlps) derived from johnson grass mosaic virus coat protein. immunization of fvb/cj female mice with vlps presenting ylp(12)-zp3 fusion peptide and a physical mixture of vlps presenting either ylp(12) or zp3 epitope led to generation of specific antibody responses and a significant reduction in litters born per mice (p<0.005). significant curtailment of ...	2009	19428905
stolbur phytoplasma transmission to maize by reptalus panzeri and the disease cycle of maize redness in serbia.	maize redness (mr), induced by stolbur phytoplasma ('candidatus phytoplasma solani', subgroup 16srxii-a), is characterized by midrib, leaf, and stalk reddening and abnormal ear development. mr has been reported from serbia, romania, and bulgaria for 50 years, and recent epiphytotics reduced yields by 40 to 90% in south banat district, serbia. potential vectors including leafhoppers and planthoppers in the order hemiptera, suborder auchenorrhyncha, were surveyed in mr-affected and low-mr-incidenc ...	2009	19671007
determination of irritant threshold concentrations to weeds, trees and grasses through serial dilutions in intradermal testing on healthy clinically nonallergic dogs.	irritant threshold concentration (itc) for intradermal testing (idt) was determined in 31 healthy, clinically nonallergic dogs. twenty-three allergens were tested at five variable concentrations ranging from 1000 to 8000 pnu/ml. to distinguish irritant reactions from subclinical ige-mediated hypersensitivities, serum allergy testing was performed. itcs were determined by evaluating the lowest concentration to which no dogs (0% cut-off) and to which at least 10% of dogs (> or = 10% cut-off) react ...	2010	20230589
application of sequence-independent amplification (sia) for the identification of rna viruses in bioenergy crops.	miscanthus x giganteus, energycane, and panicum virgatum (switchgrass) are three potential biomass crops being evaluated for commercial cellulosic ethanol production. viral diseases are potentially significant threats to these crops. therefore, identification of viruses infecting these bioenergy crops is important for quarantine purposes, virus resistance breeding, and production of virus-free planting materials. the application is described of sequence-independent amplification, for the identif ...	2010	20638415
agricultural impacts of glyphosate-resistant soybean cultivation in south america.	in the 2009/2010 growing season, brazil was the second largest world soybean producer, followed by argentina. glyphosate-resistant soybeans (grs) are being cultivated in most of the soybean area in south america. overall, the grs system is beneficial to the environment when compared to conventional soybean. grs resulted in a significant shift toward no-tillage practices in brazil and argentina, but weed resistance may reduce this trend. probably the highest agricultural risk in adopting grs in b ...	2010	20839871
role of pollen allergy in taiwanese patients with allergic rhinitis.	pollen allergy is believed to be less common in east asia, latin america, and tropical areas. the purpose of this study was to understand the role of pollen allergy in taiwan.	2010	21195885
toxins from weed pathogens, i. phytotoxins from a bipolaris pathogen of johnson grass.		1988	21401200
karyotype and male pre-reductional meiosis of the sharpshooter tapajosa rubromarginata (hemiptera: cicadellidae).	cicadellidae in one of the best represented families in the neotropical region, and the tribe proconiini comprises most of the xylem-feeding insects, including the majority of the known vectors of xylem-born phytopathogenic organisms. the cytogenetics of the proconiini remains largely unexplored. we studied males of tapajosa rubromarginata (signoret) collected at el manantial (tucumán, argentina) on native spontaneous vegetation where sorghum halepense predominates. conventional cytogenetic tech ...	2011	21513200
determination of fungal pathogens of common weed species in the vicinity of tokat, turkey.	this study was carried out to determine the fungal pathogens on chenopodium album l., cirsium arvense (l.) scop., convolvulus arvensis l., cynodon dactylon (l.) pers., delphinium consolida l., portulaca oleracea l., rumex crispus l., solanum nigrum l., sorghum halepense (l.) pers. and xanthium strumarium l. which were common weed species of agricultural areas. surveys were conducted in may-june and august-september in 2004-2005 growing seasons. during the surveys density and frequency of the abo ...	2010	21542473
association between allergic sensitization and attention deficit hyperactivity disorder (adhd).	the increase in prevalence and burden of allergic diseases, i.e., eczema, asthma, and rhinitis, has been matched by parallel trends in a worldwide increase in attention deficit hyperactivity disorder (adhd) diagnoses. research data concerning the causal association between adhd and allergies are conflicting. allergic sensitization is the most important risk for development of allergic diseases.	2011	21560489
glyphosate resistance in perennial sorghum halepense (johnsongrass), endowed by reduced glyphosate translocation and leaf uptake.	background: in a large cropping area of northern argentina, sorghum halepense (johnsongrass) has evolved towards glyphosate resistance. this study aimed to determine the molecular and biochemical basis conferring glyphosate resistance in this species. experiments were conducted to assess target epsps gene sequences and (14) c-glyphosate leaf absorption and translocation to meristematic tissues. results: individuals of all resistant (r) accessions exhibited significantly less glyphosate transloca ...	2011	21953884
seasonal infestations of two stem borers (lepidoptera: crambidae) in noncrop grasses of gulf coast rice agroecosystems.	infestations of two stem borers, eoreuma loftini (dyar) and diatraea saccharalis (f.) (lepidoptera: crambidae), were compared in noncrop grasses adjacent to rice (oryza sativa l.) fields. three farms in the texas rice gulf coast production area were surveyed every 6-8 wk between 2007 and 2009 using quadrat sampling along transects. although d. saccharalis densities were relatively low, e. loftini average densities ranged from 0.3 to 5.7 immatures per m(2) throughout the 2-yr period. early annual ...	2011	22251716
subtropical grass pollen allergens are important for allergic respiratory diseases in subtropical regions.	grass pollen allergens are a major cause of allergic respiratory disease but traditionally prescribing practice for grass pollen allergen-specific immunotherapy has favoured pollen extracts of temperate grasses. here we aim to compare allergy to subtropical and temperate grass pollens in patients with allergic rhinitis from a subtropical region of australia.	2012	22409901
anthracnose disease of centipedegrass turf caused by colletotrichum eremochloae, a new fungal species closely related to colletotrichum sublineola.	colletotrichum is a cosmopolitan, anamorphic fungal genus responsible for anthracnose disease in hundreds of plant species worldwide, including members of the poaceae. anthracnose disease of the widely planted, non-native, warm-season lawn grass, eremochloae ophiuroides (centipedegrass), is commonly encountered in the southern united states, but the causal agent has never been identified. we use dna sequence data from modern cultures and archival fungarium specimens in this study to determine th ...	2012	22492402
feasibility of using an alternative larval host and host plants to establish cotesia flavipes (hymenoptera: braconidae) in the temperate louisiana sugarcane ecosystem.	attempts to establish cotesia flavipes cameron (hymenoptera: braconidae) in louisiana sugarcane fields to control the sugarcane borer, diatraea saccharalis (f.) (lepidoptera: crambidae) have been unsuccessful. experiments were conducted to investigate the feasibility of using an alternative larval host and host plants to overcome barriers preventing establishment. in addition, we evaluated c. flavipes' ability to search for d. saccharalis in sugarcane without above-ground internodes. diatraea ev ...	2012	22506999
effect of pre-planting irrigation, maize planting pattern and nitrogen on weed seed bank population.	pre-planting irrigation and planting patterns are important factors in weed management that effect on seed bank. additionally, the nitrogen is the most important factor in plant growth that affects weed-crop competition and ultimately, seed rain into the soil. a field experiment was conducted to study the effect of nitrogen application rates, pre-planting irrigation and maize planting patterns on weed seed bank population. experimental factors were nitrogen rates at 4 levels (200, 300, 400 and 5 ...	2011	22696965
an analysis of sorghum halepense's behavior in presence of tropane alkaloids from datura stramonium extracts.	this study aimed to quantify the allelopathic potential of datura stramonium (jimson weed). sorghum halepense (johnsongrass) tolerance was assessed by germinating, seed and growing seedlings, dosing of photo-synthesis pigments, followed by treatment with d. stramonium extract tropane alkaloids.	2012	22839364
observations on the foliar nematode, aphelenchoides besseyi, infecting tuberose and rice in india.	the foliar nematode aphelenchoides besseyi causes white tip disease in rice (oryza sativa l.) and floral malady in tuberose (polianthes tuberosa l.). this nematode is widely distributed in the rice fields of many states of india, including west bengal (wb), andhra pradesh (ap), madhya pradesh (mp) and gujarat (gt). in order to generate information on intraspecific variations of a. besseyi as well as to confirm the identity of the nematode species infecting these important crops, morphological ob ...	2012	23482906
improvement of ni phytostabilization by inoculation of ni resistant bacillus megaterium sr28c.	the use of metal tolerant plants for the phytostabilization of metal contaminated soil is an area of extensive research and development. in this study the effects of inoculation of ni-resistant bacterial strains on phytostabilization potential of various plants, including brassica juncea, luffa cylindrica and sorghum halepense, were studied. a ni-resistant bacterial strain sr28c was isolated from a nickel rich serpentine soil and identified as bacillus megaterium based on the morphological featu ...	2013	23895909
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
viruses in maize and johnsongrass in southern ohio.	the two major u.s. maize viruses, maize dwarf mosaic virus (mdmv) and maize chlorotic dwarf virus (mcdv), emerged in southern ohio and surrounding regions in the 1960s and caused significant losses. planting resistant varieties and changing cultural practices has dramatically reduced virus impact in subsequent decades. current information on the distribution, diversity, and impact of known and potential u.s. maize disease-causing viruses is lacking. to assess the current reservoir of viruses pre ...	2014	24918609
specific ige recognition of pollen allergens from subtropic grasses in patients from the subtropics.	pollens of subtropical grasses, bahia (paspalum notatum), johnson (sorghum halepense), and bermuda (cynodon dactylon), are common causes of respiratory allergies in subtropical regions worldwide.	2015	25744907
variation in weed seed fate fed to different holstein cattle groups.	weed seeds may maintain their viability when passing through the digestive tract of cattle and can be therefore dispersed by animal movement or the application of manure. whether different cattle types of the same species can cause differential weed seed fate is largely unknown to us particularly under non-grazed systems similar to holstein-friesian dairy farming. we investigated the effect on the seed survival of four weed species in the digestive tracts of four groups of holstein cattle: lacta ...	2016	27104783