First, choose the seed: must be selected good seeds full, uniform size, high purity seeds, to remove the dirt impurities in the seeds, so as not to affect the germination or cause bad species. Second, disinfection: 1, dry heat disinfection method. Mostly used in tomatoes, first drying seeds, so that the water content of 7% or less, placed in oven 70 degrees Celsius to 73 degrees Celsius baking for 4 days, after removal of germination, can prevent tomato canker disease and virus disease. 2, warm soup soaking method. Soak the seeds in hot water at 60°C for 10 to 15 minutes, stirring them while soaking. When the water temperature drops to 30°C, stop stirring, continue immersing for 3 to 4 hours, and remove the germination by drying to reduce the seedling disease. 3, liquid soaking method. Commonly used formalin 100 times, first soaked with water for 3 to 4 hours, and then soaked in liquid for 20 minutes, remove with water rinse can be primed. Cucumber seed water immersed for 2 hours, liquid medicine can be soaked for 30 minutes. This method can prevent tomato early blight, eggplant brown leaf disease, cucumber anthracnose, blight and so on. It is also possible to use different liquid soaks for different diseases to be controlled. Third, soaking: seeds must be soaked before germination, but the soaking time should not be too long. After experiments, cucumbers are used for 1 to 2 hours, and pepper, eggplant and tomato are suitable for soaking in 3 to 4 hours (including soaking time when the seeds are disinfected). 4. Pregermination: Control the soaked seeds to water, wrap them with good gauze with good ventilation, and pay attention to keeping the seeds in a loose state. Do not press too tightly. During germination, if the seeds are dry, rinse with water. The key to germination is temperature, suitable temperature and germination time: cucumber 28 ~ 30 °C, germination time 16 ~ 24 hours; tomato 28 ~ 30 °C, germination time 3 days; sweet pepper 33 ~ 35 °C, germination time 4 ~ 5 Eggplant 30 °C, germination time 4 to 5 days. At present, the method of changing the temperature and germination is advocated, that is, the temperature is reduced by 5 to 10° C. for 8 hours at night, and maintained at about 20° C. This method can increase the seed germination rate and shorten the germination time. Germination equipment is best used with an electric thermostat. After germination, the seeds appear white and can be sown. If the temperature, humidity is not suitable, can be planted when the bud grows to 2 to 3 mm. If the seeds have sprouted and cannot be sowed in time, the seeds can be stored at a temperature of about 5°C for several days, and they should be protected from freezing and drying. 1, tomato germination will be selected seeds with 20 °C -30 °C warm water for 5-12 hours to remove, washed with water after removing seed coat mucus, into a clean wet cloth bag is built in about 25 °C environment, both the seeds To maintain a certain temperature, but not too high humidity, so as not to bad species. 2, eggplant germination will be selected seeds with 60 °C -70 °C warm water soaking and stirring rapidly, until the water temperature dropped 12-16 hours after soaking out, washed with water to remove seed coat mucus, into a clean wet bag built-in dry 28 The germination was carried out at a temperature of -30C. 3, pepper germination The selected seeds will be placed in warm water about 30 °C to rinse the grains, and then soaked in warm water at 60 °C for 15 minutes, the water temperature is reduced to 35 °C, then soak for 10-12 hours, remove and wash with water Net, put in a clean wet cloth bag and germinate at 28°C-30°C. 4, celery germination will be selected seeds into the warm water at 50 °C, rubbed 2-3 times a day, rinse once for water. Until the water is clear, then soak for another 24 hours, remove and germinate in a wet cloth bag placed at 25 °C -30 °C, the temperature of 90% or more.
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