Rice is widely planted in southern China. To improve rice yield, it is the first step to prevent rice pests and diseases . China's pesticide network recommends rice pests and diseases as prevention, and select high-efficiency, low-toxicity and low-residue biophysical control to ensure product quality. And safe.

(1) Key technologies: one guarantee, one wide and three strict, that is, pay attention to protect natural enemies of pests; appropriately relax prevention and control standards, do not abuse pesticides , strictly control pesticide types, strictly apply time, and strictly control the amount of drugs.

(2) Chemical weeding: 5-7 days after rice planting, timely use of high-efficiency low-residue herbicide for chemical weeding. 24% oxyfluorfen (also known as ger) 10ml / bag + 20% acetochlor wettable powder 25g / bag per acre. Used 7-13 days after planting

(3) Control objects:

Red blight: 200 g of zinc sulfate per acre or sprayed with 200 g of zinc sulfate per acre on the basis of shallow water management.

Rice blast: In the early stage of the disease, 40% thiocyclazole 150-200 g/mu or 75% tricyclazole 20-30 g/mu is sprayed with water. Pay special attention to the prevention of rice neck and neck.

Rice false smut: spray with 20% Jinggangmycin 50 g/mu and water for 10-20 days before heading.

Bacterial blight: In the early stage of the disease, 25% leaf cumin 100-150 g/mu or crushed cumin 100 g/mu was sprayed with water.

Rice armyworm, aphid: sprayed with bio-pesticide BT400 ml/mu or 20% high-chlorine phoxim (worm shift) 40-50 ml/mu in water at the age of 1-2.

Rice voles: Controlled with 0.5% bromadiolone bait 250 g/mu.

For more information on pests and diseases, please pay attention to the pest and disease column

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