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The correct use of aerosols

source:admin Release date: 2018-4-24 11:14:53 Popularity:

The smoke agent is referred to as a smoke agent, and it is prepared by a special method from a pesticide original medicine, an exothermic agent, a combustion aid, a dispersant and the like. When ignited, it can be burned (without flame), so that the pesticide can be heated and vaporized and condense into solid particles in the air. This pesticide is mainly used for the prevention and control of plant diseases and pests in forests, greenhouses and greenhouses, and the prevention of pests in warehouses. It is a new type of pesticide application method. In recent years, with the development of facility agriculture, the planting area of vegetable greenhouses has been increasing year by year. Due to the microclimate-specific microclimate and the periodical effects of vegetable cultivation, some pests and diseases have become more serious. In the prevention and control of pests and diseases, a more effective The method is to use smoke agent for smoke prevention and control. It has high efficacy and low residue, saves time, labor and drugs, does not require equipment, is easy to use, and generally does not make the disease resistant, avoiding conventional spray pesticides. Wasted phenomenon. Therefore, many vegetable greenhouse growers often use aerosols to control pests and diseases. However, when using aerosols, certain methods must be mastered. .
 
    1, to do the right medicine. The properties of various aerosols are different, and their control objects are also different. Therefore, when using aerosols, only by correctly selecting the types of aerosols and remedying the disease according to the type and degree of occurrence of pests and diseases, can the effect of high control efficiency, economical and labor saving be achieved. Such as control greenhouse tomato, cucumber leaf mold, the choice of quick-clone aerosol; prevention and treatment of greenhouse cucumber downy mildew, disease, tomato early blight, late blight, Chlorothalon aerosol can be used for control.
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2, to grasp the appropriate medication. In general, the use of drugs in the early stages of the disease, the greatest effect. Because at this time the amount is small, it is easy to control, and at the same time, the pests are in the young stage and have poor natural resistance to the medicaments. For example, when the locust is controlled with the killer cigar smoke agent No. 1, when the locust occurrence is small, 250-300 g per mu can be used.
                 
3, to grasp the right amount of medication. The general dose used depends on the size of the greenhouse, the degree of occurrence of pests, and the effective content of aerosols. Under normal circumstances, 30% chlorothalonil aerosol and 10% sucrose aerosol are used in an amount of 0.3 to 0.4 grams per cubic meter, equivalent to 300-400 grams of aerosol per acre. Severe diseases or poor greenhouses can be appropriately increased dosage.

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