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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[...]
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J. Burd ; R. Burton ; J. Webster | 1993
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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[...]
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K. Shufran ; J. Burd ; J. Anstead ; G. Lushai | 2000The 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 portion of the cytochrome oxidase I mitochondrial gene. In addition to these ni[...]
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J. Anstead ; J. Burd ; K. Shufran | 2002A 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 pars[...]
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H. Miller ; D. Porter ; J. Burd ; D. Mornhinweg ; R. Burton | 1994A resistant barley (Hordeum vulgare L., PI 366450) was used to compare physiological responses of a susceptible barley ('Morex') to the recently introduced pest, Russian wheat aphid, Diuraphis noxia (Mordvilko). As measured by chlorosis, leaf ro[...]
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Investigations of plant resistance to greenbugs in the laboratory and greenhouse require sufficient plant damage to show susceptibility but not allow damage to become critical. This study was conducted to determine the minimum number of greenbug[...]
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Seasonal abundance of Russian wheat aphid (Homoptera : aphididae) on noncultivated perennial grasses
M. Brewer ; J. Donahue ; J. Burd | 2000In the northern part of the Russian wheat aphids (Diuraphis noxia [Mordvilko]) (Homoptera: Aphididae) North American range (the High Plains east of the Rocky Mountains), over summering of the aphid is likely during late summer when cultivated sm[...]
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A. Morgham ; P. Richardson ; R. Campbell ; J. Burd ; R. Eikenbary ; L. Sumner | 1994Biotype E greenbugs, Schizaphis graminum (Rondani), were allowed to feed for at least 1 h on leaves of resistant and susceptible wheat, Triticum aestivum L. Cellular responses were studied using transmission electron microscopy. Greenbugs caused[...]
