How to control corn drill beetle?
How to control corn drill beetle? Please introduce the method of corn drill worm (corn borer) is a major pest of corn. In years with serious damage, the yield of corn can be reduced by more than 20%. The larvae are eaten into the main stem and ear, which can break the main stem of corn and reduce the yield and quality of corn. In the past, the methods of medicine liquid perfusion, spray or poisonous soil were often used to control corn heart borer, which was not only laborious and laborious, but also easy to cause crop damage and human and animal poisoning. The use of granules to control corn drill beetle not only has the advantages of low cost, labor-saving and labor-saving effect, but also is not easy to cause human and animal poisoning and crop damage. The following points should be mastered: first, skillfully grasp the appropriate period of control: the application of pesticide at the end of the heart and leaf of corn is the best period for prevention and control. Second, master the appropriate dosage: 3% phoxim granule 0.25-0.4kg per mu of corn field. Third, the method of pesticide application (1) point sprinkler method. Put the granules into the sprinkler bucket and point the dispenser at the mouth of the corn trumpet. Just pinch each plant. (2) hand kneading. Sprinkle a small amount of granules into the heart lobe with your thumb and index finger. Wash your hands with soapy water after you finish your work. Click to get more Pesticide Application techniques click to get more Pesticide Application techniques Click to get more Maize planting techniques
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What kind of medicine is used to hit the rice heart-drilling worm?
What kind of medicine is used to hit the rice heart-drilling worm? Please give guidance to rice stem borer, Chilo suppressalis and Chilo suppressalis. After these pests eat into rice stalks, choose common drugs such as insecticidal mono, diazophos, triazophos, acephate, Daofengsan, chlorpyrifos, warfarin, avermectin and so on.
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How to control brown planthopper?
How to control brown planthopper? Please introduce the method to control brown planthopper, according to the occurrence and harm characteristics of brown planthopper, appropriate use of drugs, and according to the occurrence of brown planthopper in the field to select appropriate insecticides. Occurrence and damage characteristics of brown planthopper Brown planthopper is a migratory pest and cannot survive the winter north of latitude 25 °N.
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