西安地区烟粉虱寄主植物及其危害程度调查

Investigations on the Host Plants and Damage of Bemisia tabaci(Gennadius) in Xi′an Area

调查记录了西安地区烟粉虱的寄主植物,经鉴定达24科53种(变种),茄科、葫芦科、豆科、十字花科和菊科的种类较多,其中包括蔬菜、果树、花卉园林植物、经济植物和杂草等,并根据寄主植物上烟粉虱的数量将烟粉虱的危害程度划分成4个不同的等级。

The host plants of Bemisia tabaci （Gennadius） were investigated and identified from 2004 to 2005 in Xian area, Shaanxi Province. All of the host plants can be classified into 4 grades according to the damage degree caused by B. tabaci. There were 53 species of host plants of B . tabaci belonging to 24 families, among which Solanaceae, Cucurbitaceae, Leguminosae, Cruciferae and Compositae are the major families.