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1、第26卷第5期生 态 学 报Vol.26,No.52006年5月ACTAECOLOGICASINICAMay,2006烟粉虱成虫在日光温室内的分布和日活动规律侯茂林,文吉辉,卢 伟(中国农业科学院植物保护研究所,植物病虫害生物学国家重点实验室,北京 100094)摘要:采用中色粘虫板(黄板)和植株调查方法在河北省固安县日光温室内研究了烟粉虱成虫在黄瓜结瓜盛期(4月下旬～5月上旬)的分布和日活动规律。结果表明,温室北边平均诱集量((66818±66319)头P(板·d))是南边((35715±34914)头P(板·d))的1187倍;除8∶00～10
2、∶00以外,其他时段内北边诱集量均显著高于南边;同时,北边植株上烟粉虱成虫数量也显著高于南边。温室东边逐日和各时段诱集量均高于西边,但差异不显著。在垂直方向,烟粉虱成虫在黄瓜所有叶片上均有分布。烟粉虱成虫从6∶00～18∶00各时段均很活跃,但不同时段活动水平存在差异。8∶00～10∶00平均诱集比例最高(2517%±917%),12∶00～14∶00最低(1312%±512%);8∶00～10∶00的诱集量显著高于其他时段。另外,黄板南面诱集量((35215±18611)头P(板·d))显著高于北面诱集量((16017±9014)头P(板·d))。对日
3、光温室黄瓜上烟粉虱的监测、成虫诱杀和综合治理的意义进行了讨论。关键词:烟粉虱;日光温室;黄瓜;黄板;活动;分布文章编号:100020933(2006)0521431207中图分类号:Q96811文献标识码:ADistributionanddailyactivitiesofBemisiatabaci(Gennadius)adultswithinsolargreenhouseHOUMao2Lin,WENJi2Hui,LUWei(InstituteofPlantProtection,ChineseAcademyofAgriculturalSciences,St
4、aleKeyLaboratoryofBiologyofPlantDiseasesandInsectPests,Beijing100094,China).ActaEcologicaSinica,2006,26(5):1431～1437.Abstract:DistributionanddailyactivitiesofBemisiatabaciadultsinsolargreenhouse(east2westoriented)wereinvestigatedwithyellowstickytraps(YSTs,25×30cminsize)andbyplant
5、inspectioninGu’anCounty,HebeiProvincefromlateApriltoearlyMaywhencucumberwasvigorousfruiting.ResultsshowthattheYSTsinstalledinthenorthsideofthegreenhousecaught11872foldmorewhiteflyadultsthanthoseinthesouthside(66818adultsP(trap·d)vs35715adultsP(trap·d)).Catcheswithineachofthefivet
6、wo2hourintervalsfrom6∶00to18∶00byYSTsinthenorthsideweresignificantlygreaterthaninthesouthsidewithanexceptionofthetwo2hourintervalfrom8∶00to10∶00.NumberofB.tabaciadultsonplantsinthenorthsidewasalsosignificantlygreaterthanthatinthesouthside.Intheeast2westdirection,catches(dailyaver
7、ageandaverageswithineachtwo2hourinterval)intheeastsidewerenotsignificantlydifferentfromthoseinthewestside.B.tabaciadultsweremoreactiveatcertainperiodsoftimethanatothersduringthedayasindicatedbythepercentagesofadultscaughtontheYSTsatdifferenttimeintervals;thehighestpercentageofadu
8、ltswascaughtbetween8∶00to10∶00(2517%)and
