Four main points of seed treatment before corn sowing

1, drying seeds: Shai seeds can effectively kill the bacteria on the seed surface, promote seed ripening, reduce seed moisture content, increase seed water absorption, increase seed germination rate of 13-20%. And can emerge 1-2 days earlier. Method: Select the sunny day from 10 am to 4 pm, dry the seeds in a dry place in Xiangyang, turn over frequently, after 4 pm in the storage room, avoid moisture, continuous exposure for 2-3 days, so that the seeds fully dry. Avoid spreading seeds on the ironwork and cement floor to prevent the seeds from being burned at high temperatures. 2, soaking: Soaking can stimulate the seeds to enhance metabolism, improve seed vigor, seedlings after seeding fast and vigorous, there is a significant increase in production. One day before sowing, use soaking in cold or warm water. Cold water soaking method: Put the seeds into clean water, the amount of water to soak the seeds is appropriate, soak for 12-24 hours after the fish out. Seed soaking in warm water: soak in warm water at 45-50°C for 6-10 hours. Seed soaking in warm water also kills the smut fungus and anthracnose on the seed surface. The soaked seeds can be sown by spreading the water in the shade and drying the seeds. 3, drug seed dressing: After soaking seed dressing, there is a good effect of pest control and preservation of seedlings. With 25% triadimefon wettable powder, 0.2% of the dry seed amount can be used to prevent corn smut. Use 50% phoxim EC according to the ratio of 1:100:1000 for medicines, water and seeds, and mix them and mix them for 4-6 hours. 4. Seed coating: The seed coating not only can prevent and control underground pests such as cockroaches, cockroaches, and golden-needle beetles, but also can control the aphids, thrips, and stalk rots of corn seedlings, as well as promote the growth and development of plants, increase production and income. With 20% seed coating No. 19, the seed moisture content should be controlled at 12% to 14%, and 1 kg seed coating agent can coat 50 kg seed.

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