In agricultural production, we often encounter continuous spring rain, continuous autumn rain, and rainy weather, which brings inconvenience to pest control and pesticide application. In order to improve the effect of pesticide application during the rainy season, the following principles should be mastered.
First, the use of systemic pesticides Systemic pesticides can enter the plant body through the roots, stems, leaves and other parts of the crop, and transported to other parts, in a certain period of time. Such as carbofuran, monocrotophos, omethoate, phosphine and other insecticides and different rice bran net, carbendazim, triadimefon, thiophanate, rifampicin, fast gram and other fungicides, after the application of such pesticides 4 - In 5 hours, more than 80% of the active ingredients are absorbed into the tissues by the crops and will not lose their efficacy due to rain.
Second, the use of quick-acting pesticides such as dichlorvos in pesticides, monocrotophos, methamidophos, rapid extermination, fast killing, enemy killing and other pesticides belong to this type. These pesticides have a strong contact or smoke killing effect, rapid killing effect, kill the pests after 1-2 hours of application.
Third, the use of rain-resistant pesticides such as fungicides such as gentamycin and extermination and rapid cyclin, etc. have good resistance to rain, after spraying 1-2 hours or 4-5 hours, even if it encounters showers Affects efficacy.
Fourth, in the drug solution by adding adhesives in the drug solution by adding viscous energy to increase the adhesion of pesticides in crops and pests surface, after the application of medium and light rain is not easy to be washed out, thereby improving the control effect of pesticides, preparation of pesticides Liquid agent, add 50-75 grams of detergent for every 50 kilograms of liquid agent, and mix it and apply it in time.
Fifth, to improve the application methods such as the choice of systemic insecticides, mixed pests in the soil before the occurrence of pests into the soil layer near the crop roots, let the plants absorb, causing pests to eat poisoning and die. This root zone application method avoids being washed by rain and is particularly suitable for use during the rainy season.
VI. Choosing pesticides according to the law of insect pests. For example, for some pests that come out at night, such as rice leaf roller, they are selected to apply pesticides in the evening so that the pesticides are absorbed by the plants so that the pests can eat within 2-3 hours and then die of poisoning.
First, the use of systemic pesticides Systemic pesticides can enter the plant body through the roots, stems, leaves and other parts of the crop, and transported to other parts, in a certain period of time. Such as carbofuran, monocrotophos, omethoate, phosphine and other insecticides and different rice bran net, carbendazim, triadimefon, thiophanate, rifampicin, fast gram and other fungicides, after the application of such pesticides 4 - In 5 hours, more than 80% of the active ingredients are absorbed into the tissues by the crops and will not lose their efficacy due to rain.
Second, the use of quick-acting pesticides such as dichlorvos in pesticides, monocrotophos, methamidophos, rapid extermination, fast killing, enemy killing and other pesticides belong to this type. These pesticides have a strong contact or smoke killing effect, rapid killing effect, kill the pests after 1-2 hours of application.
Third, the use of rain-resistant pesticides such as fungicides such as gentamycin and extermination and rapid cyclin, etc. have good resistance to rain, after spraying 1-2 hours or 4-5 hours, even if it encounters showers Affects efficacy.
Fourth, in the drug solution by adding adhesives in the drug solution by adding viscous energy to increase the adhesion of pesticides in crops and pests surface, after the application of medium and light rain is not easy to be washed out, thereby improving the control effect of pesticides, preparation of pesticides Liquid agent, add 50-75 grams of detergent for every 50 kilograms of liquid agent, and mix it and apply it in time.
Fifth, to improve the application methods such as the choice of systemic insecticides, mixed pests in the soil before the occurrence of pests into the soil layer near the crop roots, let the plants absorb, causing pests to eat poisoning and die. This root zone application method avoids being washed by rain and is particularly suitable for use during the rainy season.
VI. Choosing pesticides according to the law of insect pests. For example, for some pests that come out at night, such as rice leaf roller, they are selected to apply pesticides in the evening so that the pesticides are absorbed by the plants so that the pests can eat within 2-3 hours and then die of poisoning.
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