转光膜对洞庭湖区大棚温光环境及茄子生长发育的影响

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中图分类号：S625.5 文献标识码：A 文章编号：1006-060X（2025）09-0022-05

Abstract：Thisstudyaimstoexploretheregulatoryefectsoflightconversionflmonthegreenouseenvironmentandsolanaceous cropproductioninthesubtropical monsoonclimateZone.Theeggplantcultivated ingrenhouses in DongtingLakearea wastaken as the researchobject.Comparison wasconducted between lightconversion fim（T）andconventional POflm（CK）.The dynamic monitoring ofenvironmental factorsandtheanalysisofcropphysiologicalresponses wereperformed torevealtheefectsof light conversiofimonthetemperatureandlightenvironmentofthegreehouseandthe growthanddevelopmentofegplants.Theresults showed thatthelightconversioflmincreasedthedailymaximumtemperature，dailymeanhumidity，anddailyminimumhumidity whilereducingthedailymaximumlightintensitytoaleviatethestronglighttressinthegreehouses.Thelightconversionfilm hadnosignfcantctoteplatight，plantith，stedametereaflngthleafithoagrooictaitsofgptfrits， whileitignificantlypromotedtheelongationofpetioleandincreasedthemalondialdehydecontentandcatalaseactivityofleafThis resultindicated thathightemperaturescausedmembrane lipidperoxidationdamagewhileactivatingtheantioxidantsystem.Thestudy revealedthatlightconversionflmmightinduceheatstresswhenoptimizinglightqualitygain.Theapplicationoflightconversionflm in Dongting Lake area needs the coordination betweenlight quality optimization and thermal environment regulation.

Key words：lightconversion film;environmental regulation; eggplant; growthanddevelopment; Dongting Lake area

选择合适的棚膜是设施蔬菜优质高产的重要前提，优质棚膜应具备透光率高、保温性能好、耐老化、防尘、防雾、防滴等特性。（剩余5728字）