信阳中籼稻、粳稻害虫调查初报  

Preliminary Investigation of Insect Pests in Mid-season Indicaand Japonica Rice Fields of Xinyang Region

作　　者：陈俊华[1] 郭世保[1,2] 熊建伟[1] 胡孔峰[1] 史洪中[1] 

机构地区：[1]信阳农林学院农业科学系,河南信阳464000 [2]信阳市无公害植物保护工程技术研究中心,河南信阳464000

出　　处：《河南农业科学》2014年第9期110-115,共6页Journal of Henan Agricultural Sciences

基　　金：河南省科技攻关计划项目(112102110060)

摘　　要：为明确信阳稻区害虫种类及其危害情况,为害虫防治提供参考,对水稻生长季节的稻田害虫进行了调查。经鉴定,该区水稻害虫共187种,隶属于8目34科,优势害虫是二化螟、稻纵卷叶螟、三化螟、大螟、中华稻蝗、褐飞虱、白背飞虱、稻蓟马和稻管蓟马。稻蓟马和稻纵卷叶螟在粳稻上危害较籼稻重,褐飞虱和三化螟第3代在粳稻上危害较籼稻轻,"籼改粳"的推广使二化螟由原来的1a2代变为3代。Investigation and collection of rice insect pests were conducted in mid-season indica and japonica rice fields of the Xinyang region.By identification,187 specimens collected were divided into 8 orders,and 34 families.Chilo suppressalis,Cnaphalocrocis medinalis,Tryporyza incertulas,Sesamia inferens,Oxya chinensis,Nilaparvata lugens,Sogatella furcifera, Chloethrips oryzae,Haplothrips aculeatus were the dominant pests among them.Chloethrips oryzae and Cnaphalocrocis medinalis caused far more serious damage on japonica rice compared with indica rice,while Nilaparvata lugens and the third generation of Tryporyza incertulas caused less serious damage on japonica rice.The occurrence regularity of Chilo suppressalis changed from two generations to three generations per year because of the change in cropping pattern from indica to japonica rice.

关 键 词：信阳稻区 籼稻 粳稻 害虫 调查 

分 类 号：S435.112[农业科学—农业昆虫与害虫防治]