What kind of medicine can be used to control rice heart borer?
What kind of medicine can be used to control rice heart borer? Please introduce that rice stem borer, Chilo suppressalis and Chilo suppressalis are all known as drillworms. After these pests have eaten into the rice stalk, the control effects of commonly used drugs such as Shongdan, Shachongshuang, triazophos, diazinon, acephate, Daofengsan, chlorpyrifos, vermicin and avermectin are all very poor, and the control effect is relatively better by using chlorobenzamide with strong endospiration and high activity. Click to get more Pesticide Application techniques click to get more Pesticide Application techniques click to get more Rice planting techniques
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How to prevent and cure the bacterial soft rot of ginseng?
How to prevent and cure the bacterial soft rot of ginseng? Please introduce the symptoms of bacterial soft rot of ginseng: mainly harmful to the roots. The disease spot is brown soft rot, the edge is clear, round to irregular shape, different size, constant combination, and finally lead to the whole ginseng root soft rot. Squeeze the spot with your hand, there is a white pus overflow, with a thick thorn.
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How to control gray planthopper in corn?
How to control gray planthopper in corn? Please introduce the method when gray planthopper occurs in cornfields, it usually requires frequent and heavy use of drugs to control the number of insects. In recent years, accidents of drug damage to corn caused by improper use of drugs occurred frequently in production. Therefore, attention should be paid to the safe use of drugs in the control of gray planthopper. ...
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