Rainy weather early prevention of sesame grass disease
Sesame seeding season is often the season with more rainfall. Sesame is often overgrown with weeds in rainy years, especially in fields where no herbicides are applied. Blight, blight, blight, and epidemic diseases can also occur in succession. Grass damage and diseases can easily lead to a significant reduction in sesame production, and prevention work should be done in time.
For sesame field weeds, multiple herbicides can be sprayed. One can use 48% trifluralin emulsifier 100-150 ml per acre for 5-7 days before sowing, and apply 50 kg water to the soil surface immediately after sowing. Alum buried, mixed soil can be sown; Second, 48% cable can be EC, 150 ~ 200 ml per acre watered 75 ~ 100 kg after germination between the seed germination sprayed on the surface of the soil; three available 50% acetochlor Emulsifiable concentrates 70~80 ml watered 75~80 kg sprayed; four available 10.8% Gaiseng Emulsifiable Oil 25~30 ml Watered 15~20 Kilograms After sesame seedlings Weeds When spraying 3~4 leaves, can achieve Better preventive effect.
For the prevention and treatment of sesame disease, the first one is spraying 1:1∶100 times Bordeaux mixture or 0.1% copper sulfate solution after the emergence of sesame seeds; the second is using 70% mancozeb zinc WP 800 times solution in the early stage of sesame attack; The third is to use 58% metalaxyl MnZn WP 500 to 600 times; four is to use 40% carbendazim or 70% thiophanate-methyl WP 500 to 800 times; 5 is to use 40% ED Al wettable powder 300 times liquid and other agents, spraying 1 or 2 times. All localities can be flexibly selected according to the actual situation in the area.
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