How to Use Aerosol to Control Pests and Diseases of Greenhouse Vegetables

Aerosol is a new technology to prevent and treat diseases and insect pests in greenhouses. It is through the vaporization of pesticides to condense into smoke particles or directly disperse pesticides into smoke particles to prevent disease and disinfestation. The control effect is obvious and better than that of spraying and powder spraying. However, improper use did not achieve good results. Therefore, the following technical measures must be mastered during the use of aerosols.
Strictly seal the holes in the shed to prevent insects and insects from using the aerosol, and make up the leaks. Keeping the sheds closed tightly, the more stringent the prevention and control effect, the better.
It is advisable to use the aerosol time to cover the straw curtain in the evening. It is best to use igniting aerosols on cloudy days and snow evenings to prevent disease and disinfestation. This is because under the sunlight, the surface temperature of the plants is the same as the temperature of the smoke particles, and the smoke is not easy to deposit and affect the efficacy.
Medication method to put aerosols in the greenhouse to be evenly spaced. When it was discharged, it ignited in order from the inside to the outside in the greenhouse. Finally, the aerosol at the exit of the greenhouse was ignited. After all ignited, people must leave the scene and seal the greenhouse overnight. The next morning, all the vents in the greenhouse were opened for ventilation. After the ventilation was completed, people could enter the shed.
The dose to be used depends on the size of the greenhouse, the degree of occurrence of the pest, and the effective content of the aerosol. In general, the dose of 30% chlorothalonil aerosol, 10% fasting aerosol and 22% dichlorvos aerosol is 0.3-0.4 g/m3. Severe diseases or worms may be increased in the case of serious or poorly sealed greenhouses. Generally, they are applied once every 7-10 days, and 2-3 times can be used to obtain good results.
Safe storage of aerosols is flammable and absorbs moisture. Use the remaining aerosol to be placed in a safe place, protected from fire and moisture. Once it is damp, it cannot be roasted with fire. It should be placed in a cool, ventilated place and slowly dried.

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