郑州地区烟粉虱寄主植物种类及发生动态

The Host Species and Occurrence Dynamic of Bemisia tabaci(Gennadius) in Zhengzhou

调查了郑州地区烟粉虱的寄主植物及其在几种主要寄主植物上的发生动态.结果表明,烟粉虱的寄主有14科48种(变种),主要寄主植物是葫芦科、茄科、十字花科、豆科、锦葵科、菊科等;其中,茄科和葫芦科的植物受害最重.7月中下旬至8月上中旬是其全年发生危害的高峰期.

The host plants and the occurrence of Bemisia tabaci （Gennadius） on several major plants in Zhengzhou region were investigated from 2003 to 2004. The sesuhs show that there were 48 species （variety） of plant belonging to 14 families as hosts of B. tabaci, among which Cucurbitaceae, Solanaceae, Cruciferae, Euphorbiaceae, Labiatae, Leguminosae and Malvaceae are the main host families, and the plants of families of Cucurbitaceae and Solanaceae are damaged most seriously. The occurrence peak is from the middle ten days of July to the middle ten days of August.