嫁接砧木对设施西瓜品质影响的转录组学与代谢组学分析

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中图分类号：S651 文献标志码：A 文章编号：1673-2871（2025）08-015-11

Transcriptomic and metabolomic analysis of the effects of grafting stocks onthequalityofgreenhousewatermelon

YANG Wanbang'，WANG Xiaoyuan²，YU Rong'， GUO Song'， YUE Zhen'，DU Huiying'，TIAN Mei' （1.Researchsuteofticutuengiacdeoficuredrstrencaongi; 2.NingxiaHitionicltualologteioalionni

Abstract：Toclarifythe effects ofdiferent types ofrootstocks on thequalityof watermeloncultivated in greenhouse and screensuitablerootstocks forwatermeloncultivationinNingxiafacilities，Ningmei2（NM2）watermelonwasusedas scion，and Ningzhen2（pumpkin，NZ2），inggen（gourd，QG），Ningzhen3（wildwatermelon，NZ）arootstocks，toinvestigate post-grafting changes in watermelon quality.Bycombining transcriptomic and metabolomic analyses，the influenceof thethree rootstocktypes onwatermelonqualitywascompared.Theresults showed that diferentrootstock types significantlyectedgeneexpresion，pysioogicalandbiochemicalproperties，andfruitqualityofwatermlocultivatedingreenhouse.Among them，NZ2 grafting increased thecentral soluble solidscontentby0.2 percentage points， and the vitamin C content by 2.7% . Italso significantly influenced protein processing pathways，potentially enhancing quality by bolstering natural defense mechanisms.QG grafting hadthe most significant influence on gene expression and metabolitechangesbutresultedinslightlyinferiorfruitquality.NZ3grafted watermelonexhibitedthehighestcrudefiber content， 65.79% higher than that of NM2.The application of transcriptomic and metabolomic techniques to study the changesoffruitqualityaftergrafting providesatheoreticalbasis forscientific screning ofrootstocksandimproving the quality of grafted watermelon.Through comprehensive analysis，the pumpkin rootstock NZ2 was considered asa suitable rootstock variety.

KeyWords：Watermelon; Grafting rootstock; Transcriptome;Metabolome;Quality

随着设施农业的不断发展，宁夏北部引黄灌区已成为设施栽培西瓜的重要生产基地，该地区的西瓜以优异的品质在国内市场上享有盛誉。（剩余10651字）