论文部分内容阅读
白粉虱是温室管理者比较难于处理的害虫之一,它能危害多种花卉植物,造成花卉植物叶片变黄、落叶、萎蔫,严重的影响花农的经济效益。目前白粉虱主要是温室白粉虱和银叶白粉虱两种。 一、白粉虱危害日趋严重的原因 在北方城市,随着人们对花卉的喜爱,花农为了满足供应,在温室里种植了大量的花卉植物。各类温室害虫不断侵害这些植物。白粉虱是主要的一类。它一般都群集植物叶片背面,以刺吸式口器吸取植物维管组织中的汁液。
Whitefly is one of the pests that greenhouse managers are more difficult to deal with. It can endanger many kinds of flowers and plants, causing yellowing, deciduous and wilting of the leaves of flowers and plants, seriously affecting the economic benefits of flower growers. At present, whitefly is mainly two kinds of green whitefly and whitefly. First, the reasons for the increasingly serious harm of whitefly In the northern cities, as people love the flowers, flower growers in order to meet the supply, planted a large number of flowers and plants in the greenhouse. Various types of greenhouse pests continue to infringe on these plants. Whitefly is the main category. It generally clusters the back of plant leaves and sucks the juice in the plant’s vascular tissue with a piercing suction mouthpiece.