What should be paid attention to when seeds are stored in winter

It is an intrinsic factor that increases crop yields and incomes. How to keep the selected seeds safe and shelf for wintering is a matter of great concern. Now we will introduce the main points of wintering seeds storage as follows.
1 Anti-pollution The seeds shall be subjected to wind-selection or artificial screening before entering the depot, and the small particles, rotten grains, pod grains, insect pod grains and various miscellaneous materials in the seeds shall be removed to improve the purity of the seeds. At the same time, the grain and debris in the granary should also be completely removed, and 70% thiophanate-methyl WP and 40% dichlorvos EC should be used to disinfest the storage facilities to prevent seed contamination. Minimize or reduce undue losses.
2 mold before the winter storage of seeds for 2 to 3d drying. The moisture content of winter storage seed is controlled at 130g/kg, the vegetable crop is controlled at 120g/kg or less, and the oil crop is controlled at 80 to 120g/kg. When the water content is too high, the seeds are vulnerable to freezing injury, susceptible to mildew, and affect the germination rate.
3 anti-mix seed when winter storage. To distinguish between different crops, different varieties, and different grades, write labels, indicate quantities, and store them separately. Do not store them together with commercial grain, feed grain, and ration, so as to avoid mistakes and cause mixed seeds.
4 Assume that a small amount of winter storage seeds are choked with a cloth bag. It is absolutely not allowed to use plastic bags. Because the plastic bag is airtight, it interferes with the normal breathing of the seeds. In severe cases, it will cause seed suffocation, affect the quality of the seeds, and lead to reduced germination rate. .
5 The seeds of moisture-proof winter storage should be stored in a dry and ventilated place. The bins, cabinets, bags, and baskets containing the seeds should be 45-50cm above the ground to facilitate ventilation and prevent the seeds from getting damp.
6 Anti-corrosion seeds can not be put together with pesticides and fertilizers because pesticides and fertilizers are volatile and corrosive. They have a certain influence on the physiology of seeds and affect the germination rate of seeds. Therefore, seeds, pesticides, and fertilizers should be stored and kept separately.
7 Seeds that are not stored outdoors during the winter are not allowed to move to higher indoor temperatures due to cold weather, nor can the seeds be moved to locations with low outdoor temperatures due to high indoor temperatures. The hot and cold temperatures affect the quality of the seeds and reduce the germination rate of the seeds.
8 Smoke-proof smoked seeds should not be stored in places where they are often smoked. If the seeds are fumigated by the smoke for a long time, not only the germination rate of the seeds will be reduced, but also the diseases and insects will be invaded due to the seed germination being not robust.
9 The temperature of high-temperature winter storage seeds can not be too high, generally should be controlled at about lO °C. If the temperature is too high, it will affect the dormancy period of the seed, resulting in seedlings that grow after seedling growth and weakness, and the stems and leaves will be weak, which will affect the yield and economic efficiency.
10 Insect pests should always check the winter storage seeds for moisture, insects, rat bites and mildew. If this happens, prevention and control measures should be taken in time to ensure safe wintering of stored seeds. At the same time, the seeds for winter storage should be frequently turned, and they should be turned about once every 20 days. To facilitate ventilation and cooling, ensure seed quality.

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