1. Selection: Select seeds to remove mites, granules, broken grains, seeds and pests and various sundries.
2. Sun-breeding: use the sun to expose the seeds, increase the germination rate, pad the straw mat when drying, do not choose to heat the seeds at high temperature, so as not to burn the germ.
3. Soaking seeds: soaking seeds, promoting seed germination and eliminating pathogens for disease control.
4, hot seeding: first soak seeds to soak seeds in 30 ° C warm water for about two hours, so that the surface of the bacteria on the surface of the seed, and then in the water 50-55 ° C (common point can use two cups of boiling water to a cup of cold water temperature) side down Stir for 15 to 30 minutes while stirring, and finally drop to room temperature. This can effectively kill spores and mycelium of pathogenic bacteria.
5, pharmaceutical treatment:
(1) Soaking method: The soaking method is to immerse the seed in a certain concentration of the chemical liquid for a certain period of time, and then take it out to dry and carry out the seeding. For example, it can be soaked with a speed of 50% chlorobromoisocyanuric acid 2000-3000 times.
(2) Seed dressing method: The seed dressing method is to mix a certain amount and specification of the seed dressing agent with the seed, so that the treated seed is covered with the agent to prevent pests and diseases, promote germination and seedlings. The method is divided into dry mixing, wet mixing and seed coating.
6, germination. According to the germination characteristics of the seeds before sowing, appropriate water, temperature and oxygen conditions are given under artificial control to promote germination fast, tidy and robust. Methods include refrigerator germination, pit germination, plastic film shallow pit germination, grass germination, fire pit germination, steam germination and so on.
Seed seedlings want to achieve good seedling effect, then the selection is essential, because the good planting rate is higher, followed by germination and disease control.
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