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水稻为一年生草本植物,性喜温湿,脱壳的粮食是大米。近年来,随着水稻种植水平的提高,其病虫害也逐年加重,成为阻碍水稻高产的重要因素。因此,做好水稻病虫害的综合防治,确保水稻优质稳产高产,是我们面临的重要课题。下面就水稻具有代表性的三种病虫害防治技术简介如下。一、水稻稻瘟病防治技术稻瘟病是由稻瘟病菌引起的世界性水稻病害,对水稻生产已经构成严重威胁。1.农业防治:a.选用抗病品种,注意品种搭配和轮换;b.
Rice is an annual herb, like the temperature and humidity, shelling food is rice. In recent years, with the improvement of rice planting level, its pests and diseases also increase year by year, becoming an important factor hindering the high yield of rice. Therefore, doing a good job in comprehensive prevention and control of pests and diseases in rice and ensuring high-quality and high-yielding rice are the important issues we face. The following is a representative rice three pest control technology is as follows. I. Rice Blast Prevention and Control Technology Rice blast is a worldwide rice disease caused by Magnaporthe grisea and poses a serious threat to rice production. 1. Agricultural control: a. Use of resistant varieties, pay attention to varieties and rotation; b.