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1、2013年9月农业机械学报第44卷第9期doi:10.6041/j.issn.1000鄄1298.2013.09.042*光谱光照调控组合性光源激发蝗虫趋光效果试验12刘启航摇周摇强(1.河南机电高等专科学校,新乡453003;2.中国农业大学工学院,北京100083)摘要:针对蝗虫趋光选择性、蝗虫趋光辨识敏感性、频闪交变光照对蝗虫趋光增益特点,利用所研制的阵列条纹调控光照光源,对比优选了蝗虫趋光良好的光谱光照调控组合模式,进行了蝗虫趋光诱导试验,探讨了蝗虫趋光效应激发的机理。结果表明:阵列条纹光谱光照调控组合具有强化蝗虫趋光视觉增益、调控蝗虫趋
2、光视动增效、激发蝗虫趋光聚集效应、削弱蝗虫趋光惰性的功效;蝗虫趋光响应激发效果由阵列条纹光谱光照能量及其调控光照组合方式决定;蝗虫对发光间隔为30ms的阵列频闪紫光与发光周期为640ms的竖条纹交变绿紫蓝光组合光照的趋光响应相对最优。调控光照光源激发饲养棚内蝗虫趋光效果结果表明:20:00~23:00,其调控激发蝗虫趋光效果良好,光照至24:00,蝗虫趋光总响应率及聚集率分布达到了80%依5%和50%依5%,然而,蝗虫的生物习性及智慧性、蝗虫夜间活力降低的趋光惰性、环境因素、LED光源调控性光照强度增强的限制等制约蝗虫的趋光效应。关键词:蝗虫摇阵
3、列条纹光源摇调控光照摇趋光效应摇趋光响应中图分类号:S433郾2文献标识码:A文章编号:1000鄄1298(2013)09鄄0243鄄07EffectofLocust爷sPhototacticResponsetoRegulatoryIlluminanceofLEDLightSource12LiuQihang摇ZhouQiang(1.HenanMechanicalandElectronicalEngineeringCollege,Xinxiang453003,China2.CollegeofEngineering,ChinaAgricultural
4、University,Beijing100083,China)Abstract:Accordingtothephototacticchoice,sensitiverecognitionandphototacticgainstimulatedbyflashingandalternatinglightoflocust,theregulatoryilluminationofarraystripelightsourcewasusedtoconductregulatoryilluminanceexperiment.Thedifferentspectrali
5、lluminationcombinationswerecompared.Themechanismoflocust爷sphototacticeffectwasdiscussed.Theresultssuggestedthatcombinedmodeofspectralilluminationofarraystripeandregulatoryilluminationcouldenhancelocust爷sphototacticvisualgain,regulatelocust爷sphototacticoptokineticeffect,stimul
6、atelocust爷sphototacticaggregationeffect,andincreaselocust爷sphototacticactivity.Locust爷sphototacticeffectwasdecidedbyspectralilluminationenergyandregulatoryilluminancemodeofarraystripe.Theoptimumstimulationmodewasconsistedof30msluminousintervaloffrequencyvioletlightarrayand640
7、msluminouscycleofalternatinggreen鄄violet鄄blueverticalstripelightarray.Theresultsoflocustsstimulatedbyregulatoryilluminationoflightsourceinthebreedingshedshowedthatlocusts爷phototacticeffectwasbetterat20:00~23:00.Whenitcontinueto24:00,thetotalresponseandaggregationratewere80%依5
8、%and50%依5%,respectively.Thelocust蒺sbiologicalhabitsandalertness,locu
