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J. Webster ; C. Inayatullah | 1985congrès/colloque
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J. Webster ; C. Inayatullah | 1988article/chapitre/communication
J. Webster ; D. Porter ; J. Burd ; D. Mornhinweg | 1996The Russian wheat aphid, Diuraphis noxia (Mordvilko), is a serious pest of barley in western North America. To help manage this pest, a Russian wheat aphid-resistant germplasm line STARS-9301 B was recently released to barley breeders for incorp[...]article/chapitre/communication
J. Burd ; R. Burton ; J. Webster | 1993article/chapitre/communication
D. Hays ; D. Porter ; J. Webster ; B. Carver | 1999The feeding behavior of virulent and avirulent greenbug biotypes after preconditioning of the plant with virulent and avirulent greenbug biotypes was examined. A pair of near-isolines of barley, Hordeum vulgare L., differing by the antibiosis gr[...]article/chapitre/communication
K. Shufran ; D. Peters ; J. Webster | 1997In the United States, the greenbug, Schizaphis graminum (Rondani), reproduces primarily by apomictic parthenogenesis. Although a periodic sexual cycle exists, the extent to which it occurs naturally and its influence on the genetic variability o[...]article/chapitre/communication
D. Porter ; J. Burd ; K. Shufran ; J. Webster ; G. Teetes | 1997Future advances in wheat, Triticum aestivum L., and sorghum, Sorghum bicolor (L.) Moench, resistance to greenbug, Schizaphis graminum (Rondani), will likely come from introduction of resistance transgenes into high-performance cultivars. First-g[...]article/chapitre/communication
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C. Inayatullah ; J. Webster ; W. Fargo | 1987article/chapitre/communication
W. Fargo ; C. Inayatullah ; J. Webster ; D. Holbert | 1986article/chapitre/communication
J. Webster ; D. Porter | 2000Several biotypes of the greenbug, Schizaphis graminum (Rondani), attack winter wheat, Triticum aestivum L., on the Southern Plains every year. Two wheat germplasm sources of resistance ('Largo' and 'GRS 1201') have teen developed that provide pr[...]article/chapitre/communication
M. Brewer ; J. Webster | 2001Probing behavior of Diuraphis noxia (Mordvilko), Russian wheat aphid, and Rhopalosiphum maidis (Fitch), corn leaf aphid, was measured on barley lines resistant and susceptible to D. noxia grown under low and high soil moisture. R. maidis reprodu[...]
