论文部分内容阅读
秋天,常会发现盆栽的菊花植株嫩梢发生扭曲、畸变现象。粗看以为是菊花染病,其实是一种名为亮蓟马的害虫为害所致。亮蓟马属缨翅目蓟马科昆虫,体黄色,雌虫体长1.1～1.2毫米。其成虫和若虫多集中在菊花叶正面为害,叶背面很少。被害新叶向正面卷曲、皱缩;叶变黄至褐色,而且变硬,手碰易断裂。在解剖镜下观察,可看到很多黑色的排泄物。如不加防治,菊花植株将生长缓慢,嫩头不能结球开花或开花质量低劣,严重时甚至停止生长。对亮蓟马的防治应多种措施相结合,以药剂防治为主。可选用下
Autumn, often found potted plants chrysanthemum shoot twisting, distortion phenomenon. Rough thought it is chrysanthemum disease, in fact, is a pest caused by the bright thrips. Thrips, Thysanoptera Thrips insects, body yellow, female body length 1.1 ~ 1.2 mm. The adults and nymphs are more concentrated in the chrysanthemum leaves on the front, rarely the back of the leaves. Victims of new leaves to the front curl, shrinkage; leaves turn yellow to brown, and harden, hand touch easy to break. Observed in the dissection microscope, you can see a lot of black waste. Without control, chrysanthemum plants will grow slowly, tender head can not flowering or flowering poor quality, or even stop growing in severe cases. The prevention and treatment of bright Thrips should be combined with a variety of measures to control the main drug. Optional use