Note the use of pesticides during the rainy season

In agricultural production, often encounter spring rains, autumn constantly and the rainy season, to prevent and pest control work inconvenience. Often hear some farmers reflect poor rainy season spraying pest prevention. The rainy season is the high incidence of pests and diseases, pesticide control must master the technology in order to improve the control effect. To enhance the effect of pesticides during the rainy season, the farmers when hand pump sprayers spraying friends 5:00 to note the following:

First, pay attention to watch the weather, timing clever spraying. In general, the rain is better than spraying spraying spraying after rain or side edge rain. Therefore, we should pay attention to weather conditions, make choice of a good weather periods spraying in order to improve control effect. In addition, the law should be based on the activities of pest spraying clever selection of time, such as some of the nocturnal pests such as leaf roller should be sprayed in the evening.

Second, select the appropriate drug. The absorption of the rainy season use, fast-acting, anti-rain and microbial pesticide effect.

Fast-acting pesticides. Such as insecticides dichlorvos speed kill small, monocrotophos, fenitrothion, decis, Kuaishaling, metolcarb, deltamethrin and other pesticides, which has strong contact and fumigation, Shi 1 to 2 hours after drug or 4 to 5 hours after that they can kill the pests.

The absorption of pesticides. The absorption of pesticides by crop roots, stems, leaves and other parts of the body into the plant and transported to other parts of the work in a shorter period of time. Such as carbendazim, triadimefon, leaf blight net, triadimefon, thiophanate, hand held sprayer Miebing Granville, monocrotophos, carbofuran, methamidophos, dimethoate, omethoate, phosphorus amine sterilization insecticides, after application 4 to 5 hours will have 80% of the active ingredient to be absorbed by crops within the organization, and less leaching and loss of potency due to rain.

Microbial activity pesticides. Commonly used BT-781, caterpillar fungus, Beauveria bassiana and other microbial pesticides, in high humidity conditions more favorable to its spores germination and reproduction, rainy day application of these pesticides, pest control more fully play its role.

Rinse pesticide resistance. Fungicides and Miebing Jinggangmycin Granville, procymidone, etc. has good resistance to rain resistance, pesticide 1-5 hours after the showers even in the face, it will not affect the efficacy of the brush being poured.