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我国是一个农业大国,农业在我国的经济发展中占有重要的地位,农业发展的程度对国民经济有着重要的影响。提高农产品的产量和品质对于我国的粮食安全具有十分重要的意义。农作物病虫害不仅是制约我国农产品稳产和高产的主要因素之一,也是影响农产品品质的重要因素之一。近年来病虫害给我国农业生产造成巨大损失,年损失粮食约4 000万t,占全国粮食总产量的8.8%,严重威胁我国粮食生
China is a big agricultural country, agriculture occupies an important position in the economic development of our country, and the degree of agricultural development has an important influence on the national economy. Increasing the output and quality of agricultural products is of great significance to our country’s food security. Crop pests and diseases are not only one of the main factors restricting the steady and high yield of agricultural products in our country, but also one of the important factors affecting the quality of agricultural products. In recent years, pests and diseases have caused tremendous losses to China’s agricultural production, with an annual loss of about 40 million tons of grain, accounting for 8.8% of the total grain output in China and a serious threat to China’s grain production