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wyatt w cone
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Insecticides as a factor in population fluctuations of mites on alfalfa
Wyatt W. Cone · Washington Agricultural Experiment Stations, Institute of Agricultural Sciences, Washington State University
55 sayfa · 1963
Control / Alfalfa / Mites / Insecticides / Diseases and pests
Grape leafhoppers in Washington
Wyatt W. Cone · Washington State University, Cooperative Extension
Sayfa sayısı yok · 1997
Grape leaf-hopper