文档介绍：浙江农林大学学报,2013,30(3):359—363 Journal0厂ZhejiangA&FUniversity 5个种源铁皮石斛的光合特性张玲菊,一,高亭亭,章晓玲,斯金平(,浙江临安 311300;,浙江宁波315000) 摘要:为了解不同种源铁皮石斛Dendrobiumofficinale的光合特性,采用Li一6400光合测定系统对5个铁皮石斛(浙江庆元、浙江天台、浙江武义、云南广南、云南麻栗坡)种源光合速率及光强响应曲线进行了测定分析。结果表明:铁皮石斛净光合速率、光补偿点、光饱和点均较低,不同种源间存在一定的差异(P<)。铁皮石斛的光合特性表现出阴生植物的特性,对光照的需求不强,在设施栽培过程中要控制光照强度,促进铁皮石斛优质、低碳、高效生产。图6表l参8 关键词:申草药学;铁皮石斛;种源;净光合速率;光补偿点;光饱和点中图分类号:$ 文献标志码:A .文章编号:2095—0756(2013)03—0359—05 haracteristicsofDendrobiumofficinalefrom IlVeDtovenances ZHANGLingju一,GAOTingting,ZHANGXiaoling,SIJinping (~uringStationfortheStateKeyLaboratoryofSubtropicalSilviculture,Researchand & AgriculturalSciences,Ningbo315000, FUniversity,Lin’all311300,Zhejiang,China;2 Zhejiang,China) DevelopmentCenter NingboAcademyof Abstract:haracteristicsvariationofDendrobiumofficina!efromdifferentprovenances toprovidereferenceforproducingquality,low—carbon,,photosyntheticrateand ,Tiantai,andWuyiinZhejiang Province,— photosynthesistophotosyntheticphotonfluxdensities(PPFD) weremeasuredusingan“Li·6400photosyntheticdeterminationsystem.”photosyn— theticrate,thelightsaturationpoint, somediff