The seeds of spinach adhered to a layer of colloids due to the epidermis, so the seedlings were conventionally sown and grew slowly and irregularly. What are the ways to make spinach seeds quick and neat? After years of practice, soaking seeds with hydrogen peroxide solution has been successful, and has been promoted in some vegetable production bases around the country. Treatment of spinach seeds with hydrogen peroxide solution requires technical mastery of the following. The solution was prepared by adding hydrogen peroxide solution to water at a ratio of 1:4 and then stirring to prepare a 20% to 25% aqueous solution of hydrogen peroxide. Soaking time will be prepared in the container of hydrogen peroxide solution, poured into the seed should be edged down with a wooden stick stirring, so that the seeds can absorb water evenly. When the temperature is lower than 20°C, the soaking time is 100-120 minutes. When the temperature is higher than 20°C and lower than 30°C, the soaking time is 60-90 minutes. When the temperature is higher than 30°C, the soaking time is 30-50 minutes. can. Seed germination after soaking seeds will be removed from the aqueous hydrogen peroxide solution, then rinse with water 3-4 times (edge ​​flushing filter), filtered water Sheng Sheng in the container covered with a damp cloth to germination. If the seed is mature and full, more than 85% of the seeds normally germinate within 5-6 days, and the seedlings can be seeded 2 to 3 days after sowing, which is 6~8 days ahead of conventional sowing. Note one is to use hydrogen peroxide aqueous solution soaking seed treatment, should choose to stay in the sun or buy the spinach seeds under the sunny sun for 4 to 6 hours, and remove impurities and not full of seeds; second is to use chlorothalonil The aqueous solution is used to sterilize the seed that has been soaked with germination; thirdly, the seed after soaking and germination sterilization should be sowed in time; the soil in Daejeon (greenhouse) is required to be moist; and the fourth is that after sowing, the soil is 1-1.5 cm thick and pressed to make the soil. Anastomosed with the seeds and then covered with straw curtains, when 10% ~ 15% of the seedlings unearthed when the straw curtain opened.
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