How to apply pesticide to seedlings in continuous rainy season?

In recent days, the rainy weather has brought the most difficult problems to the nursery managers How to use medicine for seedlings in rainy season is a headache The rainy season is often the season of crop diseases, insect pests and weeds, and the season with the highest frequency of pesticide use, but the rainy season will also bring inconvenience to the work of disease prevention and insect control Therefore, it is more important to apply the pesticide scientifically, safely and reasonably In order to improve the application effect of the pesticide, some skills should be mastered So how to use pesticides in the rainy season? 1 Select the herbicide for internal absorption garden greening seedlings The inhaling herbicide can enter the plant through the roots, stems, leaves and other parts of the plant, and transport to other parts, and play a role in a certain period of time For example, insecticides such as Omethoate, phosphamine and fungicides such as carbendazim, Triadimefon and tobuzin, more than 80% of the effective ingredients will be absorbed into the tissue by the crops within 4 to 5 hours after the application of these pesticides, and will not lose their efficacy due to rain 2 Select quick acting landscape planting seedling chemicals Quick acting pesticide was selected for landscaping seedlings Such as dichlorvos, monocrotophos, methamidophos and other pesticides belong to this type This kind of pesticide has a strong contact or fumigation effect, and it can kill pests within 1 to 2 hours 3 Select rain resistant pesticides For example, Jinggang toxin, carbendazim and sukelin have better rain resistance After 1 to 2 hours or 4 to 5 hours of application, they will not affect the efficacy even in case of showers 4 Add adhesive to the medicinal liquid of landscape seedlings The adhesive can increase the adhesion of pesticide to the surface of crops and the body surface of pests It has good synergistic effect 5 Improve the application method For example, before large-scale occurrence of insect pests, fine soil is mixed and applied to the mud layer of the root area of crops to let the plants absorb, resulting in the poisoning of insect pests This method of root zone application can avoid rain washing, especially suitable for use in rainy season According to the activity rule of pests, the time of application was selected For example, for some pests such as the rice leaf roller that come out at night, the medicine is applied in the evening, so that the medicine is absorbed by the plant, and the pests can eat within 2 to 3 hours after coming out, and then die of poisoning 6 Choose the time and apply the medicine skillfully According to the activity rule of pests, the time of application was selected For example, for some pests such as the rice leaf roller that come out at night, the medicine is applied in the evening, so that the medicine is absorbed by the plant, and the pests can eat within 2 to 3 hours after coming out, and then die of poisoning It is necessary to use traditional Chinese medicine for planting seedlings in landscaping In rainy season, the use of traditional Chinese medicine will be affected by the rain In the rainy season, the use of botanical agents for landscaping seedlings should follow certain skills and use them scientifically and reasonably, which can improve the effect of botanical agents for landscaping seedlings in rainy season and enhance their effect 7 Select the inhaling pesticide Select the inhaling pesticide for landscaping seedlings The inhaling pesticide can enter the plant through the roots, stems, leaves and other parts of the plant, and transport to other parts, and play a role in a certain period of time For example, insecticides such as carbofuran, monocrotophos, Omethoate, and phosphamine, and fungicides such as carbendazim, Triadimefon, and tobuzin, more than 80% of the effective ingredients will be absorbed into the tissue by the crops within 4 to 5 hours after application of such pesticides, and will not lose efficacy due to rain.