Rice sheath blight is a serious disease that may occur during the whole growth cycle of rice. The most recent period of control of rice sheath blight is the booting stage. The specific control measures and pesticide application standards are as follows:
Main agent: 5% Jinggangmycin water or wettable powder, Shensinmycin and so on. Oxazole fungicides such as tebuconazole, diniconazole and propiconazole inhibit the formation of gibberellin in rice and inhibit the growth of rice plants, which is generally not suitable.
The application method is spray (adding water 75 kg) and pouring (400 kg of water). Spraying Jinggangmycin to control rice sheath blight in the middle and late stages of rice, if using manual sprayer spray, the dosage should be increased appropriately, and the amount of water should be increased. The water consumption per mu should reach 60 kg. Above, the liquid is drenched to the base of the rice plant.
Spraying with a mister is better. The mist sprayer sprays fine droplets, which makes it easier to distribute the drug to various parts of the base of the rice plant and improve the coverage of the drug. Especially when there is dew on the rice plant during spraying, the drug will be sprayed on the rice plant. Redistribution, increase drug coverage and improve control effects. In the case of water in the field, the medicine that falls into the field with a mist sprayer is also distributed twice with water and reused.
The above is the prevention and control method of rice sheath blight, I hope to help you, more pesticide knowledge, please pay attention to China's pesticide network
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