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当前位置: 首页 > 文章 > 贵州喀斯特稻区稻纵卷叶螟发生动态研究 福建农业学报 2015,30 (12) 1166-1170
Position: Home > Articles > Population of Cnaphalocrocis medinalis(Guenée)at Rice Fields in Karst Region in Guizhou Fujian Journal of Agricultural Sciences 2015,30 (12) 1166-1170

贵州喀斯特稻区稻纵卷叶螟发生动态研究

作  者：
王召;朱环;杨洪;金道超
单  位：
贵州大学昆虫研究所/贵州山地农业有害生物重点实验室;凯里学院环境与生命科学学院
关键词：
稻纵卷叶螟;发生;种群动态;灯诱;田间调查
摘  要：
为明确贵州喀斯特稻区稻纵卷叶螟的发生规律,2010-2011年采用灯光诱捕和田间系统调查方法对贵州省内5个不同稻区的稻纵卷叶螟种群发生动态进行系统调查与分析。结果表明:稻纵卷叶螟在不同稻区不同年份间发生情况差别明显,2010年稻纵卷叶螟在道真、锦屏、思南和三都始见日集中在5月上旬,2011年在锦屏和三都始见日集中在6月上旬;两年中惠水始见日均在5月下旬。在田间一般发生3~4个世代,第四(2)代和第五(3)代危害为主,危害盛期主要集中在7月份。贵州地形、海拔、温度和多种水稻生育期并存是影响贵州稻纵卷叶螟区域性发生的主要因素。
译  名：
Population of Cnaphalocrocis medinalis(Guenée)at Rice Fields in Karst Region in Guizhou
作  者：
WANG Zhao;ZHU Huan;YANG Hong;JIN Dao-chao;College of Environment and Life Sciences,Kaili University;Guizhou Key Laboratory for Agricultural Pest Management of Mountainous Region,Institute of Entomology,Guizhou University;
关键词：
Cnaphalocrocis medinalis;;appearance;;population dynamics;;light trap;;field investigation
摘  要：
Appearance and population of Cnaphalocrocis medinalis(Guenée)at the rice fields in the Karst region in Guizhou was studied.By using light traps and systematic field surveys,the variations on the pest population in 5rice producing areas were monitored during 2010 and 2011.The results revealed that the population size varied significantly from year to year and from area to area.The initial migration of C.medinalis occurred in early May of2010 in Daozhen,Jinping,Sinan and Sandu.However,it changed to early June in 2011 in Jinping and Sandu,and late May in 2010 and 2011in Huishui.In the paddy fields,there were generally 3to 4overlapping generations of the pests in a year.The 2nd and 3rd generation C.medinalis were the major pestilent generations with damages to the crops peaked in July.It appeared that the topography,altitude,temperature and diversity of rice development were the main factors affecting the occurrence pattern of C.medinalis in Guizhou.

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