Biological studies of a new greenbug biotype

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August undefined, 2024

WebAntibiosis was assessed using the intrinsic rate of increase (rm) of greenbugs confined to each of the three genotypes. Neither parent nor the resistant progeny expressed antibiosis. Mean rm values for greenbug I on Wichita (0.0956), and Ae. tauschii (0.10543) were not significantly different. Mean rm values for Wichita and 97-85-3 were also ... WebTaylor Medwig-Kinney receives Stony Brook's 2024 President's Award to Distinguished Doctoral Students. Students Taylor Medwig-Kinney and Shruti Iyer win GSO …

Genomic location of Gb1, a unique gene conferring wheat …

Webnew sugarcane aphid biotypes from developing. Lastly since the use of classical biological control ... greenbug biotype on sorghum and wheat [37]. ... WebThe four methods for assigning bacterial species are the Clinical and Laboratory Standards Institute (CLSI), modified CLSI (mCLSI), phylogenetic analysis (PA) and closest match … crypton car gr

Insect Biotypes and Host Plant Resistance SpringerLink

Web(Rondani), is important in predicting biotype shifts in the field, in laboratory genetic studies, or in determining the vulnerability of new resistance sources used in plant breeding programs. The greenbug holocycle was reviewed by Puterka and Peters (1990). They observed hatching of eggs resulting from controlled mat WebIn this study, 26 sorghum accessions from 12 countries were evaluated for both resistance to greenbug biotype I and genetic diversity using fluorescence-labeled amplified fragment length polymorphism (AFLP). Twenty-six AFLP primer combinations produced 819 polymorphic fragments indicating a relatively high level of polymorphism among the ... WebAug 6, 2024 · Wood E Jr. Biological studies of a new greenbug biotype. J Econ Entomol. 1961;54(6):1171–3 https: ... Shufran RA, Brooks HL, Sloderbeck PE. Occurrence of greenbug biotype K in the field. J Agric Urban Entomol. 2001;18(1):23–34. Google Scholar Kim K-S, Hill CB, Hartman GL, Mian M, Diers BW. Discovery of soybean aphid biotypes. … crypton c0

Comparative Life Histories of Greenbugs and Sugarcane Aphids …

Mitochondrial DNA sequence divergence among …

WebNov 12, 2015 · Greenbug, Schizaphis graminum (Rondani), is a major insect pest of wheat and sorghum on the southern Great Plains. In this review, we outline greenbug life history and biology, describe direct and ... WebDec 1, 1988 · The study on inheritance of resistance to two greenbug biotypes in three oat accessions demonstrated that the PI 186270 and CI 1580 lines each carry one dominant … crypto lockingWebSep 1, 2024 · Greenbug, Schizaphis graminum (Rondani), is a chronic problem for small grains on the Southern Plains. Central to the pest status of greenbug is the occurrence of resistance-breaking biotypes. Rsg1 and Rsg2 are the only two genes for resistance of barley, Hordeum vulgare L., to greenbug. Only Rsg1 has been deployed in cultivars. … crypto lock

"Web1. Biotype-C was still the prevalent biotype, appearing in 8 of the 13 counties. Results of the biotype survey for Kansas for 1981 appear in Fig. 2. Biotype-E was found, on either wheat or grain sorghum, in 23 of 24 counties sampled. The 1981 survey indicates that biotype-E greenbug displaced, or is in the process of displacing, biotype-C in ... " - Biological studies of a new greenbug biotype

Biological studies of a new greenbug biotype

(PDF) Designation of Two New Greenbug (Homoptera

WebThe full complement of known greenbug, Schizaphis graminum (Rondani), biotypes found in the USA were subjected to a molecular phylogenetic analysis based on a 1.2-kb … WebSeveral studies revealing multiple QTL for greenbug resistance in different genetic resistance sources have been conducted against greenbug biotypes C, E, I, and K. …

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Webin biological control. ECONOMICALLY IMPORTANT BIOTYPES OF THE GREENBUG The greenbug has been collected from at least 78 species of Gramineae (Poaceae) and … WebClade 2 contained F, G and NY, and Clade 3 contained B, CWR and EUR, all of which are rarely found on crops. The rarest biotype, H, fell outside the above clades and may represent another Schizaphis species. S. graminum biotypes are a mixture of genotypes belonging to three clades and may have diverged as host-adapted races on wild grasses.

WebBiological Materials. A colony of greenbug, S. graminum ‘biotype I’, was established from apterae collected from infested grain sorghum in Hays, KS, in 2014. A colony of sugarcane aphid, M. sacchari, was established from material provided by Dr. Scott Armstrong, USDA ARS, originally collected from infested sorghum in Matagorda Co., TX.Both aphid … WebFeb 23, 2024 · Greenbug ( Schizaphis graminum, Rondani) is a serious insect pest in many wheat growing regions and has been infesting cereal crops in the USA for over a …

WebSeveral studies revealing multiple QTL for greenbug resistance in different genetic resistance sources have been conducted against greenbug biotypes C, E, I, and K. Three loci present on SBI-05, SBI-06, and SBI-07 conferring resistance to greenbug biotype I were ... Biological control methods involve using naturally occurring pests or diseases ... WebSubobjective 2.E. Reveal the genetic architecture of BCOA resistance using genomewide association study (GWAS), and develop genomic tools to facilitate rapid introgression of aphid resistance genes into adapted germplasm. Objective 3: Develop enhanced germplasm and new varieties of sorghum, wheat, and barley with resistance to insect pests.

WebA series of 11 laboratory tests of biotype C-resistant and C-susceptible small grain and sorghum [Sorghum bicolor(L.) Moench] lines infested with either biotype C or the …

WebNineteen isolates of the cereal aphid pest greenbug, Schizaphis graminum (Rondani) (Hemiptera: Aphididae), were collected from wheat, Triticum aestivum L.; barley, Hordeum vulgare L.; or noncultivated grass hosts in five locations from Colorado and Wyoming. Parthenogenetic colonies were established. Biotypic profiles of the 19 isolates were … crypto locked liquidityWebO - Institutional Repositories . O - Institutional Repositories . SHOW MORE crypton care cleaning productsWebGreenbug, Schizaphis graminum (Rondani), populations over-summering on noncultivated grass hosts may be implicated in early fall infestations in wheat. The purpose of this study was to examine the relationship between over-summering greenbugs on noncrop hosts and fall infestations on wheat. Since greenbug populations on noncultivated hosts may also … crypton california king beddingWebDec 1, 1988 · Major plant sources of greenbug, Schizaphis graminum (Rondani), resistance were evaluated against two new greenbug isolates, Oklahoma (SCO) and Texas … crypton blueWebThe project at the Wheat, Peanut, and Other Field Crops Research Unit, Stillwater, OK, focused on molecular mapping of greenbug resistance QTLs and developing molecular markers to speed up the breeding process in sorghum. A greenbug resistance line was identified, which offers a high level of resistance to the biotype E greenbug. crypton ccp800WebWood in 1961 (Wood 1961). The Þrst new greenbug strain was virulent to greenbug-resistant DS 28A ... Numerous studies have been conducted to further characterize the in- ... (vir-ulence) to a speciÞc set of resistant plants is the only criterion used to identify a greenbug biotype. Conse-quently, the genetic basis for identiÞcation of green- ... crypto locker decrypt toolWebDec 1, 1961 · It is capable of destroying the resistant wheat lines Dickinson Sel 28-A., and C. L. 9058. When cultured on Dickinson Set 28-A for eight generations, greenbugs collected from field populations decreased in size, fecundity, and longevity, … crypton castle natural