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Common crop seed germination methods
First, Cruciferae (Chinese cabbage, radish, cabbage, cauliflower, rapeseed, mustard, snow red, etc.) These vegetable seed tooth temperature is 15-30 °C, a wide range of temperature suitable, because the seed coat is thin, do not soak, direct It is sown in small petri dishes and germinated on paper. The seeds do not have to be panned during germination. Second, the Cucurbitaceae (squash, pumpkin, melon, watermelon, cucumber, loofah, bitter gourd, etc.) germination temperature at 25-30 degrees under constant temperature conditions, or 20-30 degrees temperature change is better, the temperature is too high or too low will affect Germination, in addition to cucumber, watermelon seeds do not need to be soaked (because the impact of watermelon seeds after soaking is not as high as that of unsoaked seeds), the remaining seeds are soaked in warm water of 50 degrees for 15 minutes before germination, and then soaked for 8 hours at room temperature. About medium-sized petri dishes, paper or towels are used as germination beds. Except for cucumber seeds without panning, other seeds are washed and washed 2-3 times before germination. The moisture in the germination bed should not be too large and the germination period should be 4 - About 10 days. 3. Solanaceae (sweet peppers, peppers, eggplant, tomatoes, etc.) These seeds are best germinated at a temperature of 20-30 degrees or a constant temperature of 30 degrees, especially eggplant seeds are used for temperature change, panning, drying, ventilation and ventilation. In case of germination, use medium-sized petri dishes, germinate on paper, spray a small amount of water during germination, germination period is generally 5-12 days. Fourth, Liliaceae (onions, onions, leeks, celery, fennel, spinach, Chinese wolfberry, laver, etc.) These types of seeds on the lower temperature requirements, the temperature at 15 degrees or 20 degrees at a good temperature can germinate well, the temperature is too high Not germinating, if too low, the physiological effect of the seed will continue to be unfavorable to germination, so in the hot summer season with high temperature, a low temperature box must be used for germination, and the control temperature can not be too high. In addition to celery seeds do not soak seeds, the rest of the seeds are best soaked in warm water for 5-7 hours, using small or medium-sized petri dishes, most of the seeds use paper to do germination bed, wolfberry seeds are best to use the soil to germinate, spray a small amount of water during germination The period of germination is 6-14 days. If the growth is longer, it takes 7-21 days. 5. Gramineae (corn, sorghum, and rice) need to germinate at a temperature of 25-30°C, soak the seeds with warm water for 4-8 hours before germination, soak the seeds for 24 hours, and use the sand or towel roll as germination bed to germinate. The bed needs to add enough water, germination period of about 4-10 days. In addition, the method of seed dormancy destruction, the use of low temperature or variable temperature and other physical treatment methods can achieve good results, such as the more difficult to germinate the seeds of quail, eggplant and other animals in advance by 3 degrees of low temperature treatment for 1 day and then placed at 20-30 degrees The germination and germination rate can be as high as 80%-90% under the condition of variable temperature, which is 20-30% higher than the germination rate without treatment at low temperature, and the germination is rapid and consistent.