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K. Shufran ; W. Black IV ; Margolies D.C. | 1991
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D. Legg ; K. Shufran ; K. Yeargan | 1985
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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[...]
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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[...]
