叶面喷施甘露醇对桃果实品质的影响

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关键词：桃；果实品质；甘露醇中图分类号：S662.1 文献标识码：A文章编号：0439-8114（2026）01-0084-06DOI：10.14088/j.cnki.issn0439-8114.2026.01.015开放科学（资源服务）标识码（OSID）：

The effect of foliar spraying of mannitol on the quality of peach fruits

CHENLi-fang，LIWen-long，LIMo-han，WU Jun-kai，ZHANGLi-bin，ZHANGChen-guang （ColegofHorilualieobeialUesicedhlKyboratorticual ResourcesExplorationandInovativeUtilaoofHbeiProvinceResearchandDevelopmentCenterofApliedechologyofCracteistic HorticulturalPlant BiologicalBreeding，CollgesandUniversitiesofHebei Province，QinhuangdaoO66Ooo，HebeiChina）

Abstract：Theefectsoffoliarsprayingdiferentconcentrationsofmannitolonchlorophyllcontentofpeachleavesandfruitquality wereanalyzedtoserentheoptimalsprayingconcentrationandprovideareferenceforimprovingpeachfruitqualityinproduction. Threepeachvarieties，includingChunmi，CenturyStarandPengxian15，wereusedasexperimentalmaterialsand treatedwithO （CK）， 5g/L （T1）， 10g/L （T2）， 20g/L （T3），and 40g/L （T4）mannitol foliar spraying.Chlorophyll content of peach leaves and fruitquality-elatedindicatorseremeasuredndompreensiveevauatioofachphysiologicalindexasonducted.ersults showedthatthesolublesolids，solublesugarandfructosecontentof ChunmiunderT1treatment were significantlyincreased by 18.38% ，16.67% and 17.56% ，respectively，compared with CK；the fructose content，glucose content，sucrose content，longitudinal diameter，transverse diameter and single fruit weightof Century Star under T4 treatment were significantly increased by 14.03% ， 14.28% ， 13.01% ， 2.86% ， 4.58% and 6.53% ，respectively，compared with CK；the fructose，glucose and sucrose content of Pengxian 15 under T4 treatment were significantly increased by 66.47% ！ 62.09% and 17.81% ，respectively，compared with CK. ComprehensiveanalysisshowedthattheoptimalmannitolconcentratiosforimprovingfruitqualityofChunmi，Century StarandPengxian15 were5，40 and 40g/L ，respectively.

Keywords： peach;fruit quality；mannitol

中国桃（AmygdaluspersicaL.）栽培面积和产量全球第一[1]，但果实口感寡淡、色泽不佳以及高品质果实的比例相对较低等问题突出[2]，严重制约了中国桃产业的发展。（剩余6989字）