论文部分内容阅读
在水稻生长过程中,有许多病虫草害的发生,严重影响水稻的生长,造成水稻减产。笔者介绍水稻主要病虫草害的防治技术。1水稻苗期病害近年来调查,滦南县水稻苗期病害主要有苗稻瘟、青枯病、立枯病等。为防止这些病害在本田发生,确保插秧后秧苗的成活率,插秧时应选用无病壮苗,如壮苗不足,可采用带药下田的方法。1.1苗瘟病发病初期,用20%三环唑可湿性粉剂1000倍液、40%富士一号乳油1000倍液喷雾,也可每667m2用20%稻瘟酰胺
In the process of rice growth, many pests and diseases occur, seriously affecting the growth of rice, resulting in reduced yield of rice. The author introduces the main rice pest and disease prevention and control technology. A rice seedling diseases in recent years, Luannan County, rice seedling diseases are mainly rice blast, bacterial wilt, blight and so on. In order to prevent these diseases from occurring in Honda, to ensure the survival rate of seedlings after transplanting, seedlings should be used when disease-free seedlings, such as lack of strong seedlings, the method can be used with medicine under the field. 1.1 blast disease early onset, with 20% tricyclazole WP 1000 times, 40% Fuji an EC 1000 times spray, but also per 667m2 with 20% rice blast amide