The normal growth of vegetables is inseparable from pesticides . The so-called Cheng Xiaohe, the defeat is also Xiaohe. The incorrect use of pesticides may affect the growth of tomatoes. This is what everyone usually calls phytotoxicity. How to use pesticides to avoid vegetable phytotoxicity What about the problem?
1. Select the right medicine, symptomatic medication.
2. Timely medication. Choosing the right time to apply the agent is an effective way to control the disease to protect beneficial organisms, prevent phytotoxicity and avoid pesticide residues.
3. Master the amount of medication. Accurately grasping the appropriate application rate of pesticides is an important part of disease prevention and control, and it is not allowed to increase the dosage.
4. Master the use of pesticides to ensure the quality of the application. Adopting the correct method of using pesticides can not only give full play to the control effect of pesticides, but also avoid crop phytotoxicity and pesticide residues.
5. Scientific application of pesticides according to weather conditions. Generally, the time of spraying should be determined according to the weather forecast. At the same time, attention should be paid to the temperature change. The temperature at noon is too high, and it is prone to phytotoxicity. Most medications should be avoided at noon.
6. Reasonably mix medication. The scientific and rational use of pesticides can expand the scope of prevention and control, improve the control effect, and continue the resistance of plants. Some can also rush to promote the growth and development of crops and give full play to the role of various types of pesticides.
7. Rotate the use of pesticides. Long-term continuous use of a single variety of drugs, especially when not used according to the standard, is easy to produce drug resistance, so that the effect is reduced.
8. Pay attention to the safe use period. Ensure that tomatoes can be eaten directly after harvesting.
9. Hormone flowers should be careful. Do not splash on the young leaves and tender tips. The residual liquid is taken out of the field. It is strictly forbidden to pour into the field or into the irrigation water.
More pesticide knowledge, please pay attention to China Pesticide Network
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