Rice sheath blight, commonly known as flower stem culm, rotten foot culm, is an important disease that has occurred in recent years. It damages the rot of stems and leaves, increases the number of empty granules and pods, even the white panicles, or dies in pieces, and seriously affects mid-season rice. Yield. At present, the field has been onset, and the spread of vertical rapid expansion of sheath blight occurs and is a critical period for prevention and control. Its prevention and control technologies are:

Prevention areas: All rice cultivation areas are prevention and control areas, and good growing rice fields are the key prevention and control areas.

Period of prevention and treatment, indicators: In the jointing stage to the heading stage of rice, when the disease incidence rate at the jointing stage reaches 10% or the disease clustering rate at the booting stage reaches 30%, the pesticide application can be prevented and controlled, and the second generation of rice borers can also be controlled simultaneously.

Recommended medicaments and application methods: 20% enetrexate tebuconazole (Aike) suspension 20 to 30 ml, evenly sprayed with 60 to 75 kg of water, 5 to 7 days interval, the second drug, can be compared Good to cure rice rot, sheath rot, and foliar diseases.

Note: Rhizoctonia occurs at the base of the stem, the amount of water should be sufficient, the spraying should be uniform, the liquid must reach the site of the disease; the pesticide should be strictly operated according to the safe use of pesticides to ensure the safety of humans, animals, and the environment. Recycling of waste, etc., to prevent pollution of the environment.

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