EPG-recorded probing and feeding behaviors of Bemisia tabaci and Trialeurodes vaporariorum on cabbage
Gao Qing
Abstract
Gao Qing
Abstract
The probing and feeding behaviors of tobacco whitefly Bemisia tabaci (Gennadius) biotype B, B. tabaci ZHJ-1 haplotype and greenhouse whitefly Trialeurodes vaporariorum (Westwood) were recorded with EPG technique on cabbage. Seven EPG waveform patterns (np, C, pd, E_1, E_2, F, G) were distinguished for tobacco whitefly, while greenhouse whitefly had many probing behaviors with little phloem ingestion. One out of 20 biotype B, and 10 out of 25 ZHJ-1 haplotype of tobacco whitefly and all greenhouse whitefly had no sustained phloem ingestion waveforms. Phloem structure of cabbage leaves or chemical component of juice might be responsible for resistance of cabbage to greenhouse whitefly.
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The probing and feeding behaviors of tobacco whitefly Bemisia tabaci (Gennadius) biotype B, B. tabaci ZHJ-1 haplotype and greenhouse whitefly Trialeurodes vaporariorum (Westwood) were recorded with EPG technique on cabbage. Seven EPG waveform patterns (np, C, pd, E_1, E_2, F, G) were distinguished for tobacco whitefly, while greenhouse whitefly had many probing behaviors with little phloem ingestion. One out of 20 biotype B, and 10 out of 25 ZHJ-1 haplotype of tobacco whitefly and all greenhouse whitefly had no sustained phloem ingestion waveforms. Phloem structure of cabbage leaves or chemical component of juice might be responsible for resistance of cabbage to greenhouse whitefly.
Key concepts: Trialeurodes, Greenhouse whitefly, Whitefly, Biology, Homoptera, Phloem, Methamidophos, Horticulture