Autumn tomatoes, autumn eggplants, and autumn peppers all belong to Solanaceae vegetables. From the market performance in recent years, the economic benefits are very good. “This year’s climate is unusual and there is more rain. Solanaceous vegetables must be protected against seedling stage disease. As long as there is a nursery, this will be much easier to manage.†August 17, the vegetable experts of the Horticultural Institute of the Provincial Academy of Agricultural Sciences. Chang Wei reminded the reporter in an interview. Seedlings mainly prevent three diseases "Soyplants are mainly protected against three diseases at the seedling stage, namely, damping-off, blight, and rooting." For the convenience of everyone, Chang Wei also introduced in detail: 1, damping-off disease, a fungal disease. From seed germination to seedling emergence of 3-4 true leaves during the susceptible period, the susceptibility to disease before emergence of young cultivars will lead to bad seedlings, the seedlings will become sick after unearthing, and initially appear as water-soaked lesions on the stem base of the seedlings, and later lesions. Rapidly expanding around the stem for 1 week, gradually shrinking into a linear, soft fold, young leaves remain green. 2, blight, a fungal disease. Occurs in the middle and late stages of nursery. In the early stage of disease, an oval-shaped dark brown spot develops on the stem base of seedlings. The diseased seedlings are wilted during the day and return to normal at night. After that, the lesion gradually expands and the plant stands upright. 3, roots, is a physiological disease. Caused by low temperature and high humidity, it mostly occurs in the early stage of nursery. It is characterized by wilting of seedlings, yellow rust in roots, no new roots, and root rot. Integrated control of seedling disease For strengthening the cultivation and management of nursery, Chang Wei made some suggestions - deep trenches, etc., together with the control of pharmaceuticals. Seedbed selection of high dry terrain, adequate light, convenient irrigation and drainage, loose and fertile soil, no disease-free plots of solanaceous vegetables have been planted for many years; seedbeds are applied to mature farmyard fertilizers; After many cultivator less watering to prevent flood irrigation; after sowing can not be too thick cover soil, and sprinkle some grass ash in the surface, help to enhance the seedling resistance; seeding should not be too dense, after emergence and time seedlings, seedlings to prevent seedlings long In the early stage of nursery, do a good job of preventing high temperature and rain, you can set up a shade net on the seedbed; pay attention to timely and appropriate ventilation in the middle and late period of the nursery to reduce the temperature and humidity in the seedbed, which is conducive to cultivating strong seedlings and enhance disease resistance of seedlings; appropriate application of phosphorus and potassium fertilizers , Control the application of nitrogen fertilizer, improve the resistance of seedlings. Chemical control Chang Wei stressed that we must do four things: The first is seed disinfection, soaking with warm water of 55-60°C for 15 minutes before sowing, or dressing with 80% zeocin, 50% thiram, 50% carbendazim and other agents which account for 0.3% of seed weight; The second is bed soil disinfection. If the seedbed continues to use the old bed, bed soil must be disinfected. If the damping-off disease is serious, 70% pentachloronitrobenzene can be mixed with 50% thiram or 80% dexamethasone, with 8 to 8 pounds of bed per square meter. 9 grams and 1 to 1.5 kilograms of fine dry soil mix well into poisonous soil; if the blight is serious, use 50% carbendazim or 50% thiophanates 5 grams and 1 kilogram of fine dry soil to mix and make medicine soil. Before sowing, spread 1/3 of the drug soil on the surface of the bed, and sow 2/3 of the drug soil on the seed surface after sowing; The third is to deal with the center strain. The seedbeds found the central diseased plants to remove the buried ground in time and sprinkle some ash in the soil around the diseased seedlings, or poured them with copper ammonia mixture. Preparation of copper ammonia mixture: Use one part of copper sulfate and ammonium carbonate, grind them together and mix them together. Immediately wrap them in plastic film and seal them for 24 hours. Add water 1000 times to prepare the mixture. The fourth is spray control. In the early stage of seedling disease, 70% Zeoxin 500 times, or 75% Chlorothalonil 600 times, or 25% Zein 800 to 1O00 times, spray every 7-10 days, and spray 2 or 3 times. . Fruit Wine,Osmanthus Wine,Plum Wine,Gu Yue Long Shan Fruit Wine ZHEJIANGGUYUELONGSHAN SHAOXING WINE CO.,LTD. , https://www.chinashaoxingwine.com
Autumn seedlings prevent seedling diseases of Solanaceae vegetables
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