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 WebJun 1, 2003 · Introduction. The greenbug, Schizaphis graminum (Rondani), feeds on a variety of graminaceous plants and is a serious pest of cultivated grasses (e.g., wheat, barley, and sorghum). Cultivated crop species represent a very small proportion of the 70 greenbug hosts representing 29 genera, (Michels 1986).Noncultivated hosts are an …
Over-Summering and Biotypic Diversity of Schizaphis graminum …
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 … 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 … fiat 500x a gpl km 0
(PDF) Designation of Two New Greenbug (Homoptera
WebTaylor Medwig-Kinney receives Stony Brook's 2024 President's Award to Distinguished Doctoral Students. Students Taylor Medwig-Kinney and Shruti Iyer win GSO … WebDec 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, … 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 ... fiat 500x 1600 benzina