There are many seedling bed diseases when raising bed vegetable gardening for beginners, and the common ones are quenching disease, vertical blight, gray mold, anthrax, blight, etc. The prevention and control methods are as follows.
First, seed disinfection of bed vegetable gardening for beginners.
Soaking seeds in 55 degrees of warm water for 15 minutes can kill the bacteria attached to the surface of the seeds and accelerate germination. For quenching disease of early bed vegetables for beginners, early blight of tomato and brown grain disease of eggplant, 100 times of formalin can be used to soak seeds for 10-15 minutes, then rinse them with water, dry them and sow them. Anthrax can be impregnated with copper sulfate 100 times for 5 minutes.
Second, bed soil disinfection of bed vegetable gardening for beginners.
Beginners could mix 70% pentachloronitrobenzene powder with 65% zinc-wettable powder or formed wettable powder in equal amounts, 8-9 grams per square meter of seedbed, and you’d better mix well with 15kg of dry fine soil, then pad and cover the soil. Alternatively, you’d better mix 70% dixson 5 g/m2 with double fine soil and sprinkle in the seedbed. If the bed soil is relatively dry, you ought to use some available substitute zinc ammonium 200-400 times liquid, per square meter bed soil cast 2-4 kg, both disinfection and can play the role of moist bed soil.
Third, carefully protect the seedlings of early bed vegetables.
The bed temperature should be maintained at 30 degrees before seedling emergence and 20-25 degrees after seedling emergence. Sunny day temperature control 25 degrees, cloudy day 16 degrees, the temperature at night should be 7-10 degrees lower than the daytime. Bottom water is enough to wet the topsoil 10-13 cm, wet in the day, dry at night, wet in sunny days, cloudy dry. After the seedlings are unearthed, they should be refined through low temperature and controlled watering. 7 days before transplanting, they should be cultivated in the open air in the night without wind, rain and frost.
Fourth, timely medication of bed vegetable gardening for beginners.
Once every 10 to 15 days, you should spray 65% zineb with 600-800 times liquid, or alternately use 50% zineb with 70% tobuzin 1000times liquid. When individual disease strains appear in the seedbed, the disease should be immediately removed, spray in time to prevent the spread of disease.
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