Fluctuation of Soybean Aphids and Epidemic of Soybean Mosaic Virus in Summer Soybeans in Nanjing Area
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During 1987-1988, yellow pan traps were used to monitor soybean mosaic virus (SMV) vector activity in summer soybean fields in the Nanjing area. Because of different climatic and environmental conditions, the phenology and alate density varied considerably. Aphids colonizing soybean were Aphis glycines, and few A. craccivora and A. gossypii were also found on soybean plants. Out of 29 species trapped in the two-year experiments, A. citricola, A. craccivora, A. glycines, A. gossypii, Lipaphis erysimi, Myzus persicae, Rhopalosiphum maidis, Schizaphis graminum and Therioaphis trifolii were known as SMV vectors. Aphis glycines was the main vector which spread SMV in summer soybean fields. In 1987, the migration peak of aphids occurred in the early soybean growing stage, the peak of disease incidence appeared two weeks later, and an increase rate of disease incidence was positively correlated with aphid density (P0.05).
Originating text in Chinese.
Citation: Li, Weiming, Pu, Zuqin. (1991). Fluctuation of Soybean Aphids and Epidemic of Soybean Mosaic Virus in Summer Soybeans in Nanjing Area. Journal of Plant Protection / Acta Phytophylacica Sinica, 18(2), 123-126.
Originating text in Chinese.
Citation: Li, Weiming, Pu, Zuqin. (1991). Fluctuation of Soybean Aphids and Epidemic of Soybean Mosaic Virus in Summer Soybeans in Nanjing Area. Journal of Plant Protection / Acta Phytophylacica Sinica, 18(2), 123-126.
Keywords
soybean, Vector, Aphid, Soybean Mosaic Virus (SMV), Epidemic
