Among the 30 diseases that we already know about grapes, the incidence of blackpox, anthrax, and white rot is the greatest. They all endanger the results of the grapes. The time is from July to August. When they are serious, they can affect the quality of the grapes and reduce the yield of the grapes. Now these three diseases are introduced as follows:
First, strengthen field management and prevention of pests and diseases.
1, timely picking the heart, cut the auxiliary tip; to help spread the vine in time, to prevent excessive canopy closure, to improve ventilation and light conditions in the field, so that the field's climate conducive to the growth of ordinary vines.
2, improve the results of the site. By increasing the vines' measures, the position of the grape fruit set should be properly increased to make it a certain distance from the ground, reducing the contact with the ground and reducing the infection of germs.
3, pay attention to reasonable balance fertilizer. According to the growth time of each segment of the grape, balanced application of nitrogen, phosphorus, potassium and other micronutrients. To facilitate the fruit set rate of grapes.
4, weeding, weeding, promote the healthy growth of grapes, and increase the resistance rate of bacteria.
5. After the rain, drain water in a timely manner so that the rain stops without water.
6, the fruit should be timely bagging. Fruit bagging in time can increase the grape's luster; in addition, it can reduce the chance of these three diseases.
Second, drug configuration, rational application of drugs.
1, the ground sprinkler, this method can be due to the initial stage of the disease. The general medication is: sulfur powder, lime powder, etc. to sterilize and sterilize the top soil in the grape vine, generally two to two kilograms per acre.
2, drug control. The prevention and treatment of these three diseases is generally started during the initial period of the disease, and then sprayed every 10 to 15 days. Especially in years with too much rain, increase the concentration. The medicines for effective prevention and control of these three kinds of diseases include: 50% solution of Trichoderma WP, 800-1000 times solution, 50% carbendazim WP solution, 0.5% Bordeaux mixture solution, etc. Prevention.
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