Virus disease is a relatively serious disease in the production of chili peppers in autumn. In general, after the fall, the seedlings of pepper are in a high temperature stage and are prone to viral diseases. How can we prevent virus disease in the process of planting autumn pepper? How to prevent and cure chew virus disease in autumn? The following agricultural material Xiaobian will introduce the prevention and control measures for the Qiyue pepper virus disease.
How to prevent and cure chew virus disease in autumn
How to prevent and cure chew virus disease in autumn
1. Seed treatment before sowing: In addition to selection of resistant varieties, before germination sowing, the seeds are soaked with fresh water for 3~4 hours, and soaked in 10% trisodium phosphate solution for 20 to 30 minutes. Rinse the water and re-germ.
2. Do it in turns: Peppers should be used in legumes and grasses. The land planted with Solanaceae crops last year was not allowed to be continuously planted, nor could it be mixed with cucumbers, potatoes and other places.
How to prevent and cure chew virus disease in autumn
How to prevent and cure chew virus disease in autumn
3. To strengthen the cultivation and management: to cultivate disease-free strong seedlings, the implementation of a single plant nutrient soil nursery, with planting pods planting. Increase the use of fully cooked organic fertilizer to promote early-onset and enhance plant resistance to disease. At the same time, we should do a good job in management of greenhouse temperature. In the nursery period and in the early stage of planting, we should cover the shading net or use a weed and other shade to avoid direct sunlight. Ventilate around the greenhouse, especially when the temperature is high at noon, to open the ventilation, adjust the temperature inside the shed. At the time of colonization, the diseased plants were found to be removed promptly.
4. Chemical control: timely control of aphids, cut off the source of poison. When locusts are found in the field, they are immediately prevented and treated. 10% of 10% imidacloprid wettable powder can be used for mu and 30-40 kg of water can be mixed evenly. If the weather is dry and the amount of hydrazine is large, spray the pesticide continuously. Prevention.
In the early stage of disease, spray 1.5% of plant disease and Lingshui agent 100 ml/mu 20% of virus A wettable powder 70~100g/mu, spray once every 5~7 days, 2~3 times in succession, can receive Better results. If the onset is severe, the leaves shrink, and the internodes shorten, one milligram per kilogram of cytokinin may be added to the above-mentioned medicament, and 50 grams of mu may be used to promote cell division and accelerate the harm.
How to prevent and cure chew virus disease in autumn
How to prevent and cure chew virus disease in autumn
Qiuyan pepper virus disease prevention precautions
After the pepper was affected, it caused falling, falling fruit and falling leaves. General production cuts are 20% to 30%, and those with severe crops are reduced by 60% to 70%. Plants that have been infected in the early stages can cause serious damage. There are many reasons for the occurrence of pepper virus disease, and continuous cropping for many years and ineffective control of locusts will reduce the anti-virus ability of plants and threaten the production of peppers. Therefore, precautions must be taken as soon as possible. Http://Content/0ca98833-a9a9-4506-985f-b52ab762b584?cType=2
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