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Evaluation of mechanisms of resistance among 12 grain sorghum, Sorghum bicolor (L.) Moench, sources of resistance to the biotype E greenbug, Sehizaphis graminum (Rondani), indicated that the most important mechanism within this germplasm seemed to be antibiosis (with a few exceptions). The source...


Dixon, O.A.G.Bramel-Cox, P.J.Reese, J.C.Harvey, T.L.[Mechanisms of resistance and their interactions in twelve sources of resistance to biotype E greenbug (Homoptera: Aphididae) in sorghum]Mechanisms of resistance and their interactions in twelve sources of resistance to biotype E greenbug (Homoptera: Aphididae) in sorghum

Gene complementarity among various sources of resistance to greenbug biotype E was assessed. Analysis of the F2 generation of crosses between susceptible and resistant parents (mating 1) and among sources of resistance (mating 2) suggested that resistance in sorghum to greenbug biotype E was comp...


Dixon, Alfred G.O.Bramel-Cox, P.J.Harvet, T.L.[Complementarity of genes for resistance to greenbug [Schizaphis graminum (Rondani)], biotype E, in sorghum [Sorghum bicolor (L.) Moench]]Complementarity of genes for resistance to greenbug [Schizaphis graminum (Rondani)], biotype E, in sorghum [Sorghum bicolor (L.) Moench]

Electronic insect-feeding monitors are increasingly being used to study the feeding behavior of piercing-sucking insects in relation to host resistance and biotypes. The original AC design has been modified several times to simplify and expand the signal generator and signal processor. We report ...


Noyes, S.Margolies, D.C.Reese, J.C.Dixon, A.Bramel-Cox, P.J.[Computer acquisition and analysis of insect feeding monitor data]Computer acquisition and analysis of insect feeding monitor data

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