Wheat seed dressing four notes

If wheat seedlings are sown before planting, if the technique is not properly handled, it will not only fail to prevent disease and insects, but it may also lead to slow emergence of wheat, uneven emergence, and even affect the normal growth of wheat seedlings. Under normal circumstances, the following 4 points should be noted for wheat seed dressing before sowing:

According to the occurrence of local pests, determine the type of medication if the occurrence of local wheat seedling pests is very light, the disease occurs more severe, only with fungicides seed dressing can be, do not have to use pesticides; if pests and diseases occur, both use insecticide Seed dressing, but also with fungicides seed dressing; If the occurrence of heavy underground pests, seed dressing by drugs can not achieve the desired effect of control, seed dressing and soil treatment methods should be taken to prevent wheat pests.

Accurately understand the amount of pesticides some farmers in the wheat seed dressing estimated drug use, blindly increase the amount of medication. Practice has proved that if wheat is used with triadimefon, phoxim and other chemicals, if the amount is too large, it will cause obvious phytotoxicity to wheat, and it will cause the emergence of wheat to be delayed, slow growth, and even the emergence of ridges and ridges. Therefore, special attention should be paid to the accurate use of pesticides.

Pay attention to the seed dressing method. For wheat, use phoxim and other seed dressings. Diluted the pesticide with water first, then mix well with the wheat seeds, cover the stuffy stuff and sow. Wheat is dressed with quintozene, triadimefon, and Rickettsia. The seed should be sprayed with water until it is moist, and then the agent is evenly mixed on the seed, and then immediately sown or dried after sowing. If it is necessary to use insecticides for seed dressing and seed dressing with fungicides, insecticides should be mixed first, and then mixed with fungicide, and then immediately sowed.

With the mix with the broadcast, can not be long home with wheat seed dressing insecticide, the general heap boring for 2-3 hours, the length is 6 hours, until the pesticide was absorbed immediately after sowing seeds. Generally, after wheat is sterilized with a fungicide, it should be immediately sown or dried immediately after being dried. Some peasant households spend a long time boring after wheat seed dressing, or they will not broadcast after dressing for a long time, which will cause phytotoxicity to wheat. If wheat is spread in the sun after dressing with fungicides, the disease prevention effect will be significantly reduced. In addition, we must strictly follow the seed dressing operation procedures to prevent human and animal poisoning, it is best to implement uniform seed dressing.

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