In recent years, the state has pushed forward the development of bio-pesticide. Bio-pesticide is good, but there are also many contraindications in the process of use. Here, the agricultural resources are free to tell you about some things that need to be paid attention to during the use of biological pesticides. Anti Slip Painter Cover Fleece Surface Protective Pad,Painter Cover Fleece For Paint,Absorbent Flooring Painter Cover,Anti Slip Painter Cover Suzhou Surface Protective New Material Technology Co.,Ltd , https://www.surfaceprotective.com
First, avoid using inferior chemicals to ensure the quality of the drugs used, should be purchased from regular manufacturers and drug sales points to prevent counterfeiting, and pay attention to the date of manufacture and age of the drug and the reasonable storage and storage of the drug to prevent expired failure.
Second, avoid the use of bacterial biocides at low temperatures. The active ingredients are protein crystals and living buds. Under low temperature conditions, spores are slow to propagate in pests, and protein crystals are not easy to function.
Third, avoid dry environment Bacterial biocides in the bacteria spores like a humid environment, so the greater the humidity in the field when using the higher the efficacy, especially sprayed powdery biological pesticides should pay attention to the field humidity. Generally, the powder is sprayed in the morning and evening when there is dew, so that the microbial agent can adhere to the stems and leaves of the crop well, and promote the spore propagation and improve the drug effect. It is better to spray the vegetables half an hour before spraying or spraying in the foggy morning.
Fourth, avoid the strong ultraviolet rays in the sun have a killing effect on spores, if the light is strong, ultraviolet rays will kill the bacteria. According to the test, the direct killing of sunlight for half an hour, the spore mortality rate is about 50%; direct radiation for 1 hour, the spore mortality rate is 80%. In addition, ultraviolet radiation can degrade the parasitic crystals. Therefore, the application of bacterial biocides should be carried out on cloudy or weak light into the vegetable field. It is usually applied before 10 am or in the evening on a sunny day.
5. Avoid the rain and spray the bacterial bio-insecticide. In the event of heavy rain, the bacteria sprayed on the stems and leaves of the crop will be washed away to reduce the efficacy. However, if it is light rain after 5 hours of application, it will not only reduce the control effect, but also have a synergistic effect, because it is beneficial to the rapid propagation of bacterial spores in and out of the pests.
6. Avoid mixing with fungicides When applying bacterial bio-insecticides, do not mix with fungicides (such as carbendazim, methyl thiophanate, etc., otherwise it will easily lead to a serious reduction in the number of bacteria in the drug, thus affecting the insecticidal effect. Therefore, even a sprayer that has been sprayed with a biocide should be rinsed to assemble a bacterial biocide.