Shelter aerosol pesticide spraying technology

The application of aerosol pesticides to control greenhouse pests and diseases not only facilitates the operation, but also greatly reduces the labor intensity. Moreover, the control effect is significantly better than the spraying method, and in particular, the humidity in the shed is not increased, and the prevention and control of diseases is more thorough. The main points of its application technology are as follows:

Application time

According to the characteristics of vegetable production in the greenhouse, it is best to apply the aerosol agent in the evening after sunset so that it can be smoked during the night, because it is more conducive to the settlement of the mist particles of the smoke agent during this period, and the control effect is more ideal.

Casting method

Fixed-point smoking: Select a few smoke points, place the smoke agent evenly on the ground, and light it with incense or cigarettes. A lot of smoke agents are 100g small bags. The greenhouse can be used as a whole bag. The small shed can put the powder on the small paper tube rolled into the old newspaper, insert the ignition, and ignite, and also can use 100 grams of cigarettes, each with scissors. Used in two stages. The ignition sequence is lit sequentially from the shed to the shed.

Flowing smoke: The smoke is placed on a shovel, and after being ignited, the shovel is slowly moved from the shed to the outside of the shed. However, using this method to prevent poisoning is generally not recommended.

Dosage

In the use of the principle of cost-effective, according to the control of the choice of suitable agents and the appropriate dose. Such as the control of cucumber downy mildew, disease, tomato early blight, late blight, gray mold, etc., can choose 10% procymidone smoke agent, 250 to 300 grams per acre medication, the incidence of heavy doses of indoor medicine properly increased to 400 ~ 500g; such as powdery mildew can be selected 15% Ke Yanling smoke agent, 250 to 300 grams per mu of medication, but also with 250 grams of sulfur powder per mu, 500 grams of sawdust for smoke; control of sclerotinia, can be used 10 % Fast Ke Ling Smoke Agent, 250-300 grams per acre; Control pests such as aphids, powdery mildew, etc., can use 10% isoproviral aerosol, shed insecticide aerosol, etc., mu dosage 250 to 300 grams

Precautions

The indoor smoke discharge agent should at least be sealed for more than 4 hours. The time for the smoke release is preferably before and after the sunset. The ventilation openings can be fully opened on the second day for ventilation.

The use of chlorothalonil aerosols can only be carried out in greenhouses or greenhouses, and must be shut down strictly.

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