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温室白粉虱属同翅目,粉虱科。在秦皇岛地区的温室内一年可发生10余代,各种虫态均可越冬并为害。温室白粉虱常群集在幼嫩叶片背面吸取植株汁液,造成叶片退绿变黄,植株生长受阻,降低蔬菜的产量。防治标准是以植株上部叶片每片叶上有虫数量确定,西红柿为10头(此时果实污染率为3%),黄瓜为50~60头。 温室白粉虱的防治可采用喷雾法和烟雾薰
Greenhouse whitefly genus Homoptera, whitefly Branch. Qinhuangdao area in the greenhouse can occur more than 10 generations a year, a variety of insect states can wintering and damage. Greenhouse whitefly often clustered in the back of young leaves to draw plant juice, causing the leaves turn green yellowing, obstruction of plant growth, reduce the yield of vegetables. The control standard is based on the number of insects on each leaf in the upper leaves of the plant, 10 for tomatoes (3% for fruits at this time), and 50 to 60 for cucumbers. Prevention and treatment of greenhouse whitefly can be sprayed and smoked