Disinfection, sterilization and germination of vegetables
When sowing vegetables, the seeds are first disinfected, which can prevent many kinds of diseases from happening, and at the same time can make the seeds germinate quickly. Here are some effective disinfection germination methods: Warm water soaking this method is an effective measure to break the seed dormancy, promote seed germination, sterilization, disease prevention, and enhance seed resistance. Water temperature and time should be suitable when soaking, and cool immediately when soaking time is reached. Such as tomato soaking water temperature is 52 °C, soaking time is 0.5 hours; sweet pepper, cucumber, eggplant soaking temperature is 55 °C, soaking time is 12 minutes. Soaking can prevent tomato early blight, eggplant brown leaf disease, sweet pepper anthrax, cucumber leaf spot, celery spot blight and so on. Hot water boiled seeds with a pot, and then take a pot of the same size spare, first quickly pour boiling water into the pot with seeds, and then pour the water and seeds into the empty pot, so that it is repeated several times, After 10 minutes, cool the seeds with cold water. The soaking of copper sulfate solution with copper sulfate solution can prevent chili anthracnose. Soak the pepper seeds in cold water for 6~8 hours, and then soak in 100 times copper sulfate solution for 5 minutes. After soaking, wash the seeds and germination. Formalin soaking in solution soaking with formalin solution can prevent damping-off, browning of eggplant, tomato ringworm disease. The seeds were first soaked in 100-fold formalin for 15 minutes, removed and wrapped in wet gauze, and washed after 2 hours. The soaking of potassium permanganate solution with potassium permanganate solution can prevent tomato mosaic virus disease. Before sowing, the tomato seeds were soaked in 100-fold potassium permanganate solution. Dry heat disinfection is mostly used for tomato seed treatment. The first drying seed is used to reduce the moisture content to 7% and baked in an oven at 70°C-73°C for 4 days. Then the soaking and germination are taken out. Baking soda liquid soaking seeds generally have a layer of mucus coating on the surface of the vegetable seeds, soaking with 1% soda solution before sowing for 12 to 24 hours, repeated washing several times, clean the float can remove the mucus around the seeds to promote rapid germination And neatly. Bleaching paste sterilizing bleaching powder into the mud, the amount of bleaching powder per kg of seeds with 10% to 20% of the effective component calculation. The amount of mud is appropriate to mix the seeds exactly. The bleaching powder, mud and seeds are mixed and sealed in a container for 16 hours to effectively kill black rot on seeds such as cabbage, celery, and radish. Soaking with sodium hydroxide. Soak the vegetables for 4 hours with fresh water. Place them in 2% sodium hydroxide solution for 15 minutes. Rinse with water and let dry for 18 hours. This method can kill most viruses and fungi inside and outside vegetable seeds, prevent vegetable viruses, anthrax, angular spot and early and late blight. Liquor soaking is soaked with white wine soaked in vegetable seeds. The sprouts are fast and neat. Especially for seeds with thick seed coat and seeds with low germination rate, the effect of soaking seeds with liquor is particularly obvious. It not only can greatly increase the germination rate, but also has the function of sterilization and sterilization. The specific method: mix 50 grams of white wine with 50 grams of water, put the vegetables used in the wine soak for 10 minutes, and then remove and sow directly.
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