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水稻生产由于病虫害造成的损失，轻的达1—2成，重的3—5成，严重的甚至颗粒无收，对水稻病虫害的防治情况，除加强植物检疫和农业防治工作外，农药防治技术是提高水稻产量的主要措施．下面就水稻主要病虫害的防治技术介绍如下：1、稻瘟病叶瘟在发现发病中心或急性病斑时，立即
Due to the losses caused by pests and diseases, the production of rice is as low as 1-2% and the weight is 3-5%. Severe or even crop failure occurs. In addition to strengthening plant quarantine and agricultural prevention and control, pesticide prevention and control technologies It is the main measure to increase rice yield. The following major rice pest control techniques are as follows: 1, rice blast leaf blast found in the center of disease or acute lesions, immediately