月季品种‘探险家’嫁接苗与扦插苗的抗旱性比较

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中图分类号：S685.12 文献标识码：A 文章编号：1006-060X（2026）01-0097-06

Abstract：Thisstudyaimstoexplore theeffctof graftingonthedroughttoleranceofacut-fowervarietyofChinarose.Tepopular varietyExplorer'inthemarketwasselectedforpotexperimentswithcontrollediigation.Tegraftingandcutingseedlingswere comparedintermsof growthandphysiologicalresponsesduringdroughtstressandre-watering.Theresultsshowedthategarding morphology，graftedsedingssuferedfromilddamageunderdroughtstressandrecoveredmoreapidlyafterre-watering.Interms of physiologyddlinsebitedgruproidedmutaeactivityroidaseactivityalaseactiviydp content，demonstratigstrongerantioxidantandosmoticgulationcapabilits.Attheearlystageofroughttres，gaftedsedlings showed higher net photosynthetic rate （Pn） ，stomatal conductance （Gs） ，intercellular CO2 concentration （Ci） ，and transpiration rate （Tr） thancutingseedlings，andgaftedsedingsrecovered morerapidlyafterre-watering.However，cutingseedlingshadighrplant height，leafarea，andSPADvalue，lowermalondialdehde（MDA）content，andilderlipidperoxidationamageofthecellrane thangraftedsedlings.Although some advantagesof graftedseedlings werenotfullydemonstratedunderlimitedpotedconditions， graftedsedlingsoutperformedcutingseedlings inphysiologicalresponse mechanisms todroughtandrecoveryuponre-watering. InthefutureproductionofcutfowersofChinarose，graftingcanbechosenasthemainreproductivemethodtoenhancethedrought tolerance since it can improve the quality of cut flowers while reducing irrigation water.

Keywords：cut-flower VarietyofChina rose;grafted seedlings; cutting seedlings;drought stress

云南作为花卉农业大省，不仅是全球三大鲜切花主产地之一，也是鲜切花月季的主要产区。（剩余7274字）