Wheat seed dressing can not only prevent soil-borne diseases, systemic infestation, and underground pests, but also have good effects. Pay more attention to the following points in the pesticide seed dressing process to ensure good drug efficacy, as follows:
Main seed dressing methods:
1 Use the seed dressing tank (box) for dry seed mixing. Weigh the wheat seeds and the chemicals according to the proportion of the seed dressing. At the same time, we put them into the seed dressing tank (box). The amount of seed dressing should not exceed half a barrel, 20~30 per minute. The speed of the turn, 50 times for each positive and negative, and mix well.
2 dry mix with plastic bags into the plastic bag, 10 ~ 15 kg of seeds per bag is appropriate, add the appropriate amount of triazole wettable powder in proportion, upside down dozens of times, until each seed adheres to the powder .
3 Manually stir the plastic film to the ground, weigh the wheat seeds and the chemicals according to the proportion of the seed dressing. According to the order of the first kind of medicine, add the medicines in stages, stir well with tools such as iron shovel, and mix thoroughly.
Precautions for pesticide dressing:
It is an effective measure to prevent and control a variety of pests and diseases and ensure the fullness and strength of wheat seedlings. However, if the technology of wheat seed dressing before planting is improper, it will not only prevent disease and insects, but also cause slow emergence of wheat, uneven emergence, and even affect the normal growth of wheat. Under normal circumstances, wheat seed dressing should pay attention to the following points.
1 According to the occurrence of local pests and diseases, determine the type of drugs. If the local wheat seedlings occur very lightly, the disease will be heavier, and only the fungicide can be used for seed dressing. It is not necessary to use pesticides; if the pests and diseases are mixed, the pesticide manufacturer recommends that Seed dressing with pesticides and seed dressing with fungicides; if the underground pests are heavier, and the pesticides do not reach the expected control effect, seed dressing and soil treatment should be adopted to prevent and control wheat pests.
2 Accurately grasp the amount of pesticides Some farmers use the “estimated†medication when dressing wheat seeds, blindly increasing the dosage. Practice has proved that if the amount of wheat used in the dressing with triazolone or phoxim is too large, it will cause obvious phytotoxicity to wheat, which will delay the emergence of wheat and slow growth. In severe cases, there will be a shortage of seedlings and ridges. Special attention should be paid.
3 Note seed dressing method Wheat mixed with phoxim and other seeds, should first dilute the pesticide to water, and then mix well with the wheat, cover the pile and sown. Wheat is mixed with triadimefon and tebuconazole. The seeds should be sprayed with water to moisten, and then the agent is evenly mixed on the seeds, and then immediately sown or dried and then sown. If you want to use seed dressing with pesticides and seed dressing with fungicides, you should first mix the insecticides, mix the fungicides after the piles, and then immediately sow.
4 with the mix with the broadcast, can not be placed for a long time with the insecticide seed dressing, generally piled up for 2 to 3 hours, up to 5 to 6 hours, until the drug is absorbed by the wheat seeds and then planted. Generally, after the wheat is mixed with the fungicide, it should be sown immediately or immediately after being dried. Some farmers have been squandering for too long after the wheat medicinal dressing, or they are not sown for a long time after seed dressing. If wheat is seasoned in the sun after seed dressing with a fungicide, the disease prevention effect will be significantly reduced.
5 Seed dressing should be evenly and thoroughly mixed thoroughly, so that each wheat seed adheres to the powder, avoiding the white seed; the seed dressing treatment should be large-area contiguous, leaving no dead ends, no flowering place.
China Pesticide Network reminds everyone: It is necessary to strictly follow the seed dressing operation rules to avoid the occurrence of poisoning incidents. It is best to carry out the seeds of the mixed seed dressing and should be stored in a cool and dry place where children can't touch. Do not expose to the sun and damp. After washing your face, it is safe to wash your face.
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