水稻免耕抛秧田病虫重发原因及防治对策  

Occurring Reasons and Control Strategies of Diseases and Insect Pests in No-tillage Throwing Seedling Paddyfield

作　　者：郑昌成[1] 刘岗山[1] 

机构地区：[1]江华瑶族自治县农业局,湖南江华425500

出　　处：《湖南农业科学》2010年第4期91-93,96,共4页Hunan Agricultural Sciences

摘　　要：对水稻免耕抛秧新技术推广应用以来病虫发生严重的原因进行了分析。越冬病虫基数大,免耕抛秧田偏施氮肥及抛秧田生长的特殊性,地区气候适宜病虫生长,药剂防治不当等,都会造成危害严重。针对重发原因,提出了相应的防治对策。The occurring reasons of diseases and insect pests in no-tillage throwing seedling paddyfield were analyzed,which were large population base of over-winter diseases and insect pests,partial applying nitrogen fertilizer in no-tillage throwing seedling paddyfield,growing particularity of throwing seedling paddyfield,suitable climate for growth of diseases and insect pests in local area,and inappropriate chemical control methods,etc..According to these occurring reasons,the corresponding control strategies were proposed.

关 键 词：水稻免耕抛秧 病虫发生原因 防治对策 

分 类 号：S511[农业科学—作物学]