Use powder pesticides such as triadimefon, Luheng 2, Heguoli, Fumeishuang, seed dressing and other seed dressings. For example, if the corn is treated with silk smut seeds, tributyl ketone can be used for 325-400 g per 50 kg of seed peony; the sorghum smut seed can be treated with 130-170 g per 50 kg; the cucumber plague can be treated with 50% Fumex WP, according to the seed weight. O.4% of the amount of seed dressing; Green Heng 2 WP seed dressing, 4-5g per kg of melon seeds, can effectively control the fungal diseases lurking on the seeds. It is best to use a special seed dresser for seed dressing. The medicine and seeds are weighed into the seed dresser in proportion, and the mixture is inverted and inverted for 10 minutes. In the case of no seed dressing device, you can replace it with a plastic bag, pour the pesticide and seeds into the bag, tighten the bag mouth, and swing it up and down and back and forth 50 times. When using this method, pay attention to the plastic bag should not be too large, the amount of seeding does not exceed 2/3 of the bag length, in order to facilitate the operation and ensure the quality of seed dressing.

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