Avoid misuse of pesticides

The use of pesticides to control the pests and diseases of plants has been effective and rapid, and has been accepted by the masses of peasants. However, due to the lack of basic knowledge of pesticides, especially the lack of understanding of new pesticide varieties, new dosage forms, control objects, and methods of use, there are five misunderstandings in specific use:

First, regardless of the object of prevention and treatment, see the medicine. Some use insecticides to control plant diseases, some use fungicides to control pests, and even use herbicides to control pests and diseases, especially in the case of tight supply of pesticides. This way, you don't ask for indiscriminate use, blindly use drugs, and lightly delay the timing, affecting the effect, but also causing phytotoxicity, even crops.

The second is to rectify the light and prevent it, and not to see the pests and diseases. Under normal circumstances, the resistance of young larvae to pesticides is poor, and their resistance is also increasing with the increase of age. Therefore, the control of pests is most effective in the egg stage or the larval origin period. And some friends of farmers often start treatment only when the pest outbreak has already caused some harm, while the drug effect is difficult to play; in plant disease control, fungicides do not understand the mode of action, regardless of protective fungicides, or therapeutic The fungicide should be applied only when the disease occurs and is prevalent. This has caused financial losses and has not played a role in disease prevention.

The third is to increase the concentration of drugs at will. Some people do not use proportions when dispensing medicines, do not use special measuring tools, only use caps or other non-standard utensils. There is no quantitative concept, which generally exceeds the specified concentration, which not only causes waste, but also is prone to phytotoxicity, and also causes pests and diseases. Enhanced drug resistance.

The fourth is the long-term use of a single species. In the use of pesticides, once a certain pesticide is found to be effective, it will be used for a long time. Even if the effect of the drug on the pests is reduced, the variety is not changed, but the method of increasing the dosage is adopted, and the pests and diseases have not been recognized. Resistance to drugs still increases the dose, resulting in a vicious circle.

The fifth is to confuse the concept of high efficiency and high toxicity, and lack of safety concept. At present, high-quality pesticides are developing in the direction of high efficiency, low toxicity and low residue, and many farmers mistakenly believe that high toxicity or high pesticide prices , the effect is good, only subscribe for highly toxic pesticides, low toxicity and pests The lack of awareness of high-efficiency pesticides is not used in accordance with pesticide safety standards when pesticides are used. Pesticides used on fruit trees, vegetables and raw crops are prohibited from being used in these crops, resulting in poisoning of humans and animals.