Seedling disease, blight and roots are common diseases in the growth of eggplant. These diseases will not only affect the growth and yield of eggplant, but also have a certain impact on the economy of the growers. The following small series will take you to understand how to prevent and cure eggplant seedling diseases.
First, the seedbed should be located in a place with high strides and good drainage. It is necessary to use disease-free new soil or weathered river mud as bed soil.
If the old bed is used, the bed soil should be disinfected. Fertilizer should be fully cooked. Seeding should be balanced and should not be too dense. Do not cover the soil too much after sowing to facilitate emergence.
Second, enhance seedbed management:
The seedbed should be well insulated to prevent cold wind and low temperature attack and to prevent the seedlings from being frozen. Therefore, it is necessary to diligently uncover the bed window, and the cold weather will be late to cover the early cover. During the daytime, under the premise that the seedlings are not frozen, try to ventilate the air as much as possible to promote the growth of the seedlings and further improve the disease resistance. The sprinkling of the seedbed should depend on the humidity of the soil and the weather. Each time the amount of water should not be excessive, to prevent excessive humidity in the bed, the night glass windows and straw curtains should be covered carefully.
Third, bed soil treatment:
The old seedbed should be disinfected with bed soil. The commonly used medicines and treatment methods are as follows:
1, formalin: generally 2-3 weeks before planting, the bed soil loose, each square foot bed soil with formalin 50 ml plus water 4-8 kg, poured on the bed soil. Then, it is covered with sacks for 4-5 days, and about 15 days after the covering is removed, the seeding can be carried out.
2, pentazonitrobenzene, etc.: mix with 70% nitrosonitrobenzene and 50% thiram, the amount of each square foot is 8-10 grams. Can also use 50% carbendazim or 50% thiophanate alone, the same amount as before. Add 20-30 kg of semi-dry fine soil before mixing the above agents. Before sowing, spread about 1/3 of the soil on the bed, then plant it, and then cover the remaining 2/3 of the soil evenly on the seeds.
Fourth, chemical control:
If a small number of diseased seedlings are found, after removing the diseased seedlings, spray a copper ammonia mixture to prevent the disease from stretching. Take a powder of the powder and ablate in 400 parts of water. Spray again in 7-10 days. It can also be sprayed with 75% chlorothalonil WP 1000 times. After spraying, in order to prevent excessive humidity in the bed, you can apply grass ash or dry fine soil to reduce humidity.
The above is the prevention and treatment method of eggplant planting seedling disease compiled by Huinong.com, have you learned it? If you want to know more about agricultural technology, please pay attention to the Hui Nong School!
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