1. Selection of disease-resistant and disease-resistant varieties: According to the actual situation in the local area, the varieties with better disease resistance should be selected. At the same time, attention should be paid to the rational distribution of wheat varieties to avoid the large-scale cultivation of single-resistance source varieties.

2. Appropriately apply organic manure by fertilization, use formula fertilization technology, and reasonably apply nitrogen, phosphorus, and potassium fertilizers. Do not apply excessively, apply nitrogenous fertilizers, control wheat over-prosperously, promote its root development, and increase wheat disease resistance.

3, reasonable dense planting, appropriate sowing This measure is one of the effective measures to control sheath blight. With a reasonable sowing amount, it will produce a high-yield, disease-tolerant wheat population structure to prevent field cover and avoid lodging, which can significantly reduce disease. The earlier the sowing, the higher the soil temperature, the heavier the disease. Appropriate sowing date should be determined according to local conditions to reduce the bacteria infection.

4, after the return of green wheat, early pouring, light pouring back to Qingshui, do not flood irrigation, in order to avoid excessive long-term humidity between plants. Weeds in the field are cleared in time, and the water is drained immediately after the rain. This has a good effect on disease control.

5, chemical control:

(1) Seed dressing before seeding. Triturate with a seed weight of 0.2% of 33% neomycin wettable powder or 0.3% of seed weight of 15% triadimefon (triadimefon) wettable powder.

(2) In the spring wheat jointing stage, 40 grams of triadimefon is used per acre, and spraying is repeated once every 10 to 15 days.

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