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水稻飞虱是严重危害水稻的害虫之一。水稻被其危害后,容易冒穿倒伏,造成空秕粒增多,千粒重下降,产量损失3-5成。因此,必须认真查治,做到万无一失,具体要求是:1、迅速查清虫情。对达到防治指标每穴5～8头的田块一定要组织防治,尤其是以前没有防治和防治质量差的田块要认真补治,对晚熟粳稻要作为查治的重点。2、为了提高防治效果,要选用杀虫迅速,对高龄若虫和成虫均有效的农药。如10%吡虫啉。每亩用10%吡虫啉15-20克兑水50公斤泼浇,防效可达
Rice planthopper is one of the pests that seriously endanger rice. After the rice is harmed by it, it is easy to put on lodging, resulting in an increase of empty rice grain, grain weight decline, yield loss of 3-5. Therefore, we must conscientiously check the rules and achieve foolproof, the specific requirements are: 1, quickly find out the worm. To reach the prevention and control targets per hole 5-8 head of the plot must be organized and controlled, especially in the absence of prevention and control of poor quality plots to conscientiously remedy the late maturing japonica rice should be the focus of the investigation and treatment. 2, in order to improve the control effect, to choose insecticidal rapid, effective for older nymphs and adults of pesticides. Such as 10% imidacloprid. 15-20 grams per mu with 10% imidacloprid watered 50 kg pouring, control up