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近年来棚室蔬菜的虫害日趋加重,尤其是小型害虫为害越来越严重,不仅蚜虫、飞虱、叶蝉、害螨等继续为害,而且温室白粉虱、烟粉虱、美洲斑潜蝇、南美斑潜蝇、茶黄螨和棕榈蓟马等小害虫的种群数量迅速上升,为害十分猖獗,且难以根除。这些蔬菜小害虫分布广、数量大,不仅吸食植物的汁液,掠夺养分,影响植株正常的生长发育,而且在吸食汁液时还易分泌蜜露等致病毒素,传播多种病毒病,加重了对蔬菜的为害。
In recent years, pests in greenhouse vegetables have become more and more serious, especially for small pests which are more and more serious. Not only aphids, planthoppers, leafhoppers and pest mites continue to be harmed, but also greenhouse whitefly, whitefly, white leaf louse, The populations of small pests, such as leaf miner, theophthora and thrips, are rapidly rising, causing serious damage and are difficult to eradicate. These small vegetable pests are widely distributed and in large numbers. They not only ingest the juice of plants and plunder the nutrients, but also affect the normal growth and development of the plants. In addition, they also excrete toxins such as honey dew during the juice intake, spread a variety of virus diseases, Vegetable damage.