White spinach needs medical treatment
Spinach is a cold and heat-resistant vegetable, the temperature is above 25 °C that is poor growth, poor quality, easy to cause the occurrence of disease, spinach white spot disease is a common disease above the spinach, in order to better spinach growth, with pesticides The effect of preventing spinach leukoplakia is very good.
Drug treatment of spinach leukoplakia has the best effect. It is recommended to spray 75% chlorothalonil wettable powder 700 times, 50% polymyxin WP 1000 to 1500 times, etc. at the beginning of the disease, spray 7 to 10 days, and spray 2 times. Up to 3 times at the same time with the spraying of new high-fat film 800 times enhance the efficacy.
In addition, remove the leaves of the former stubble crop in time, bring it out of the field and burn it; sterilize the soil by spraying the disinfectant and 800 times of new high-fat film on the ground; when sowing, spray it with new high-fat film. The surface of the plant is heat-insulated to ensure high seedling emergence rate. Strengthen field management, take time to plant and clear weeds in the field.
Spinach is an important wintering vegetable in northern China, and it is also one of the important vegetables in the spring, autumn and winter seasons in the north and south. Do a good job of prevention and treatment of spinach pests and diseases.
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