What pesticides are used in rice planthoppers
For farmers, the most annoying thing is that hard-planted crops are attacked by various diseases. So what kind of pesticide does rice planthopper use? Let's take a look at this question together.
What pesticides are used in rice planthoppers
Rice planthopper can use pesticides such as leaf cicada powder, imidacloprid, thiazide, acephate, fipronil and so on. Use drugs reasonably according to the severity of the injury, and do not overdose.
2. Key points of control of rice planthopper
(1) Scientific management of water. To achieve free drainage and irrigation, prevent long-term stagnant water in the field, frequent irrigation in shallow water, timely baking the field, make the field ventilated and transparent, reduce the humidity in the field, and prevent rice from growing too green.
(2) rational layout. Rational distribution of rice planting should be carried out in order to prevent rice planthopper from moving back and forth. To create environmental conditions conducive to the growth and development of rice but not to the occurrence of rice planthopper.
(3) applying fertilizer scientifically. Fertilization should control nitrogen, increase potassium and supplement phosphorus, and prevent partial nitrogen from causing shade in the field.
(4) protect and utilize natural enemies. For example, to reduce methamidophos and other highly toxic pesticides that have killing effects on natural enemies, selective agents should be adopted to adjust the time of drug use and reduce the number of times of drug use, so as to avoid killing a large number of natural enemies and play a role in controlling natural enemies.
The related questions about rice planthopper are summarized and sorted out here by Tuliu.com today. I hope this article will be helpful to you.
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