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A. Ciepiela | 1989article/chapitre/communication
K. Giles ; T. Royer ; N. Elliott ; S. Kindler | 2000From 1997 to 1999, Schizaphis gramintum (Rondani), intensity (number per tiller) was estimated on 115 occasions from hard red winter wheat fields located throughout the major wheat growing regions of Oklahoma. A total of 32 and 83 fields was sam[...]article/chapitre/communication
T. Archer ; G. Johnson ; F. Peairs ; K. Pike ; M. Kroening | 1998Wheat, Triticum aestivum (L.),plant response to Russian wheat aphid, Diuraphis noxia (Mordvilko), infestation varies at different plant growth stages. Also, the range of climatic zones is great over the distribution of the Russian wheat aphid in[...]article/chapitre/communication
K. Dorschner ; J. Ryan ; R. Johnson ; R. Eikenbary | 1987article/chapitre/communication
S. Duffield ; R. Bryson ; J. Young ; R. Sylvesterbradley ; R. Scott | 1997The effect of nitrogen fertiliser on populations of the cereal aphids Sitobion avenae and Metopolophium dirhodum on winter wheat was investigated in a three year field experiment. Naturally occurring aphid populations were monitored on three nit[...]article/chapitre/communication
M. Mowes ; B. Freier ; J. Heimann | 1997In 1995, two experiments were performed to examine the relationship between different infestation trends of Sitobion avenae and yield loss in winter wheat grown under optimal conditions in climate chambers without nitrogen or water deprivation t[...]article/chapitre/communication
R. Rabbinge ; E. Drees ; M. Van Der Graaf ; F. Verberne ; A. Wesselo | 1981article/chapitre/communication
Plantegenest. M. ; J. Pierre ; C. Dedryver ; P. Kindlmann | 2001