The use of pesticides to control plant pests and weeds has a significant and rapid effect and has long been accepted by the majority of farmers. However, due to the lack of understanding of the basic knowledge of pesticides, especially the new varieties of pesticides, new formulations, prevention and treatment methods, and methods of use, there are five misunderstandings in specific use:

First, regardless of the control of the object, see the medicine to use.

Some use insecticides to control plant diseases, some use fungicides to control pests, and even herbicides are used to control pests. This is especially the case when pesticide supplies are tight. This does not ask indiscriminate, blind drug use, from time to time, affecting the effect, causing heavy damage, and even crop failure.

The second is re-treatment light defense, no pests and no pesticides.

Under normal circumstances, young larvae have poor resistance to pesticides, and their resistance to infection increases with the age of the larvae. Therefore, the control of pests is most effective in the egg period or the larval initiating period. Some peasant friends often start to use drugs when pests have already occurred. This has caused some harm, and the pharmaceutical effect is also difficult to play. In the prevention and control of plant diseases, the mode of action of bactericides, whether protective bactericides, or therapeutic The fungicide must be applied when the disease occurs and becomes prevalent, which not only results in a loss of funds but also does not play a role in preventing disease.

The third is to increase the concentration of medication.

Some people do not follow the proportions when dispensing pharmaceuticals. They do not use special measuring tools. They only use bottle caps or other non-standard vessels. There is no concept of quantity, and they generally exceed the specified concentration. This not only causes waste, but also causes phytotoxicity. It also causes pests and diseases. Increased drug resistance.

Fourth, long-term use of a single species.

In the use of pesticides, if a pesticide is found to be effective, it will be used for a long period of time. Even if it is found that the effect of the drug on the prevention and control of pests is not changed, the species will not be replaced. Instead, the method of increasing the amount of pesticides will be adopted. Drug resistance still increases the drug dose, resulting in a vicious cycle.

The fifth is to confuse the concept of high efficiency and high toxicity and lack the concept of safety.

At present, high-quality pesticides are developing in a direction of high efficiency, low toxicity, and low residue. Many farmers mistakenly believe that the high toxicity effect is good. Only high-toxicity pesticides are purchased, and there is a lack of understanding of pesticides that are low in toxicity and effective in pests and diseases. When pesticides are not used in accordance with the safety standards for pesticides, pesticides used in fruit trees, vegetables, and raw food crops are prohibited from being used in these crops. As a result, humans and animals are poisoned.

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