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时间:2020-03-21
《应用黏胶型性诱捕器对玉米大螟的监测效果及发生期预测研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、生物灾害科学2014,37(3):250—253http://xuebao.jxau.edu.caBiologicalDisasterScience,Vo1.37,No.3,2014DOh10,3969d。issn.2095—3704.2014.03.014曾伟,张莉敏.应用黏胶型性诱捕器对玉米大螟的监测效果及发生期预测研究[J].生物灾害科学,2014,37(3):250-253应用黏胶型性诱捕器对玉米大螟的监测效果及发生期预测研究曾伟,张莉敏(1.四川省达州市达川区植保植检站,四川达川635002;2.四川文理学院,四川达州635000)摘要:通
2、过黏胶型性诱捕器和灯测2种方法对玉米大螟越冬代成虫的同地对比诱测结果表明,黏胶型性诱捕器监测越冬代大螟成虫效果好,其诱蛾趋势和峰型与灯诱基本趋于一致,可用于替代灯诱监测。对比分析发现,大螟性诱测的第2蛾峰高峰日,与灯诱测的雌蛾发蛾高峰期相吻合,可作为性诱简化精准预测第1代大螟发生期的重要依据,具有较强的实际指导价值。可以将该地此蛾峰日、峰日后的7d分别作为雌蛾的发蛾高峰期、盛末期,不同地区可根据实际确定。在此基础上,再加上相应的产卵前期和卵历期,就可对第1代大螟卵孵高峰期、盛末期作出预测。该法适宜基层测报点推广应用。关键词:大螟;黏胶型眭诱捕器;监测
3、效果;发生期预测中图分类号:$435.112.1文献标志码:A文章编号:2095.3704(2014)03.0250—04ApplyingAdhesive·typeSexAttractantstoMonitorCornSesamiainferensWalkerandPredicateItsEmergencePeriodZENGWei,ZHANGLi—min(1.PlantProtectionandQuarantineStationofDachuan,Dachuan635002,China;2.SichuanUniversityofArtsandSci
4、ence,Dazhou635000,China)Abstract:nlecomparisonexperimentsofthetrappingefectsbetweenadhesire—typepheromonetrapsandlighttrapsontheover—winteringgenerationofCornSesamiainferensWalkerwereconductedatthesameplace.Theresultsshowthatadhesive—typepheromonetrapshavebeaerefectsonmonitorin
5、gtheover-winteringgenerationofcomSesamiainferensWalker,whiletheirtrappingmoth~endsandpeakshapesareconsistencewiththoseoflighttraps,whichshowsthatthesetrapscanbeusedtoreplacethelighttrapsinmonitoring.Throughthecomparativeanalysis,itisshownthatthesecondpeakdayofthemothsdetectedby
6、adhesive—typepheromonetrapsisconsistentwiththefemalemothsemergencepeakdetectedbylighttraps,whichprovidestheimportantbasisforpredictingthemergenceperiodofthe1stgenerationofcomSesamiainferensWalker.Thepeakday,and7daysafterthepeakday,couldbeusedasmarkstopredictthebeginningperiod,p
7、eakperiodandtheendingperiodoffemalemothoccurrence,respectively.Theperiodscouldalsobeselectedviadiferentfactindiferentzone.Then,plusthepre—ovipositiontimeandthedurationofegg,thehatchingbeginningperiod,peakperiodandendingperiodofthe1stgenerationofSesamiainferensWalkercouldbepredi
8、cted.ThispredictionmethodiSsuitableforgrassrootsforeca
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