干热处理对丝瓜种子发芽和贮藏特性的影响.pdf

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1、南方农业学报2011，42(12)：1462—1465JournalofSouthernAoiculturehttp：／／www．nfnyxb．cornEffectsofdryheatongerminationandstorabilityofCHEJiang-lo(GuangxiAcademyofAgriculturMSciences,Nanning530007，China)Abstract：【Objective】nepresentexperimentwasaimedtodeterminetheeffectsofdry

2、heattreatmentongerminationandstorabilityofsmoothluffaseedsinordertoimprovetheirstorabilityandgerminationrates．【Method】Theseedsof4luffavarieties，viz．，C鸭-02，Crlls_03，CTS—04andC鸭-05weretreatedwitIldryheat(60，70and800C)for30．60and90minanditseffectonseedstorabilityan

3、dgerminationwasobserved．【Result]ThehighestgerminationratesinC7rS_02andCTS埘treatedwith60℃for30minwererecordedas26and44％．neseedsofvarietyC髑_03andC偈-05respondedmarkedlywhentreatedwith80℃for60min，asshowedby96．5and91．00％increaseingermination．respectively．Theseseedsdi

4、dnotshowanysignificantreductioninabilitytogerminateaftersixmonthsstorageat15and320C．TheresultsshowedtIlatdryheattreatmentimprovedgerminationperformanceofluffaseeds，howevertheeffectsofdryheattreatmentdifferedindif-ferentvarieties．Inaddition，theeffectsofdryheatong

5、erminationofsmoothluffaseedslastsformorethan6months．【Conclusion]Dryheattreatmentimprovesthegerminationofluffaseeds，however，genotypicdifferencesaresignificant．Thepositiveeffectsofdryheattreatmentsoffgerminationcouldlastforoversixmonths．Keywords：dryheat；luffa；germ

6、ination；storabilityCLCnumber：S642．4Documentcode：AArticle：2095—1191(2011)12—1462—04干热处理对丝瓜种子发芽和贮藏特性的影响车江旅(广西农业科学院。南宁530007)摘要：【目的】探讨干热处理对丝瓜种子发芽和贮藏特性的影响，以期获得可有效促进丝瓜种子萌发和贮藏的便捷途径。【方法】以4个丝瓜品种(CTS一02、CTS一03、CTS一04和CTS一05)的种子为试验材料，分别在60、70和80。C的干热条件下处理30、60和90min，随后检测其

7、发芽和种子贮藏能力。【结果】经60。C处理30min，初始发芽率较低的CTS一02和CTS一04的种子发芽率分别提高到26％和44％；在80。C处理60min，初始发芽率较高的CTS一03和CTS一05的种子发芽率分别提高到96．5％和91％。80。C处理60min后将CTS一03和CTS一05分别在15。C和32。C条件下贮藏6个月，其种子发芽率均未发生显著变化。【结论】干热处理对种子萌发有促进作用，但效果大小和丝瓜品种特性有关；干热处理对丝瓜种子发芽的促进效果可以维持6个月以上。关键词：干热处理；丝瓜；发芽率；贮藏

8、特性0IntrudoctionLuffaisanannualtropicalplant．belongstofamilyCucurbitaceae．ThegenerahastwocultivatedspeciesLuffaacutangula(AngleLuff-a)andLuffacyllndrica(SmoothLuffa)or