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大棚蔬菜害虫这样防治
网址:http://www.shengjiewangye.com    发布时间:2019-11-30
  大棚蔬菜虫害主要以蚜虫、白粉虱、蓟马等刺吸式害虫为主,这些害虫繁殖力特强,危害也很严重,防治不力,常造成巨大经济损失,发生严重时,可造成绝收。今天,小编就给大家介绍一下大棚蔬菜害虫防治最有效的方法,供大家参考。
  The main insect pests of greenhouse vegetables are aphids, whitefly, thrips and other thorn sucking pests. These pests have strong fecundity, serious harm and poor control. They often cause huge economic losses. When they are serious, they can cause a total harvest. Today, Xiaobian will introduce the most effective methods of pest control of greenhouse vegetables for your reference.
蔬菜大棚防虫网
  1.加盖蔬菜大棚防虫网
  1. Cover insect net
  在大棚蔬菜育苗前就要在所有的放风口及排风口加盖40~60目防虫网,防止害虫通过风口进入大棚,这是最关键的一步,可以阻止大部分害虫进入。
  Before raising seedlings in the greenhouse, 40-60 mesh insect control net should be covered at all vents and vents to prevent pests from entering the greenhouse through the vents. This is the most critical step, which can prevent most pests from entering.
  2.种衣剂拌种
  2. Seed dressing
  在播种前,可用60%吡虫啉悬浮种衣剂按照药种比1:200进行拌种,或用70%噻虫嗪种子处理悬浮剂按照药种比1:300~400进行拌种,将种衣剂均匀包裹在种子表面,晾干后在播种,可有效防治蚜虫、蓟马、粉虱等害虫的危害,还可兼治小地老虎、金针虫等地下害虫,可保证整个苗期不受害虫危害,持效期长,效果好。
  Before sowing, 60% imidacloprid suspension seed coating agent can be used to mix seeds according to the drug ratio of 1:200, or 70% thiamethoxam suspension agent can be used to mix seeds according to the drug ratio of 1:300-400, and the seed coating agent can be evenly wrapped on the surface of the seeds, dried and then seeded, which can effectively prevent and control the harm of aphids, thrips, whiteflies and other pests, and can also be used to treat underground pests such as tigers, golden needle insects, etc., which can ensure that The whole seedling stage is not harmed by pests, with long duration and good effect.
  3.药剂灌根
  3. Chemical root irrigation
  在移栽定植时,可用60%吡虫啉悬浮剂1500倍液,或30%噻虫嗪种子处理剂2000~4000倍液灌根,也可防治害虫的危害,持效期可达60天左右。
  When transplanting and planting, the root can be irrigated with 1500 times solution of 60% imidacloprid suspension or 2000-4000 times solution of 30% thiamethoxam seed treatment agent, which can also prevent and control the harm of pests. The duration of validity can reach about 60 days.
  4.药剂喷雾
  4. pesticide spray
  结果后期:如果有少量发生,可用50%烯啶虫胺可湿性粉剂2000倍液,或20%呋虫胺可溶粉剂2000倍液等药剂喷雾,即可达到有效的防治效果。
  Results: in the later stage, if there was a small amount of occurrence, 50% diendrin wettable powder 2000 times liquid or 20% furfuroxime soluble powder 2000 times liquid spray could achieve effective control effect.
  通过采取以上四种方法,基本上可保证整个生育期,没有蚜虫、粉虱、蓟马等刺吸式害虫的发生,同时,还能兼防病毒病发生。
  By adopting the above four methods, we can basically ensure the whole growth period, without the occurrence of aphids, whiteflies, thrips and other thorn sucking pests, and at the same time, we can also prevent the occurrence of virus diseases.
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