What should be done if there is drug damage to grapes?

In the process of grape cultivation, drug damage often occurs because of improper drug use, which causes great loss to the yield and quality of grape, so what should be done when the grape has drug damage? How to prevent drug damage? Come and have a look with the editor.

1. Alleviating drug damage

The drug damage of grape is mainly in the leaves, and sometimes the fruit and tender shoots also occur, and the specific drug damage symptoms vary significantly with different varieties. The damaged plants should be sprayed with clear water as soon as possible after the occurrence of drug damage, and the occurrence of drug damage should be reduced by reducing the drug concentration. If it is the pesticides and herbicides sprayed on the ground, it should be irrigated in time to rinse the residual pesticides in the soil, which can greatly alleviate the drug damage of grapes in this way. Or spray propionyl rutin lactone water agent or sea elves, can also alleviate the drug damage.

2. Rational use of drugs

In the use of pesticides, try to choose safe pesticides, be sure to apply the concentration according to the instructions, do not increase the concentration at will, avoid using drugs when the temperature is too high, do not use drugs immediately after dew and rain. If the wettable powder pesticide must be diluted evenly, when combined with foliar fertilizer, the foliar fertilizer should be fully dissolved and then added to the solution, and fully stirred evenly before spraying.

3. Strengthen the management

The management of grape planting should be strengthened and strong trees should be cultivated in order to improve the drug resistance of grape. After the drug damage is relieved, fertilizer and water should be strengthened to promote plant recovery as soon as possible. For the already small area of drug damage, the damaged leaves or fruits can be removed, so as not to give the bacteria the opportunity to take advantage of the opportunity. If it is a large area of drug damage, it is necessary to do a good job in the prevention and control of diseases and insect pests while alleviating the drug damage. At this time, because of the grape drug damage, the plant tree is weak, the resistance to the disease is weak, then diseases and insect pests occur, which can easily lead to plant death.

The above is the introduction of how to do drug damage to grapes. I hope it can help you. If you want to know more about it, please follow us.