根外施锌对苹果果实品质及糖代谢相关酶活性的影响的综述报告.docx

根外施锌对苹果果实品质及糖代谢相关酶活性的影响的综述报告
摘要
苹果是全球最重要的水果之一，其营养丰富、口感独特，备受消费者喜爱。然而，苹果果实在种植过程中常受到不同程度的营养不良的困扰。锌是植物生长和发育所必需的营养元素之一，而在苹果栽培中，锌缺乏的问题经常出现。本文综述了根外施锌对苹果果实品质及糖代谢相关酶活性的影响。研究结果表明，根外施锌显著提高了苹果果实的品质，如提高了可滴定酸、单宁和总酚的含量，而对果重和果径的影响则不大。此外，锌对苹果果实糖代谢相关酶活性的影响也得到了广泛的研究。根外施锌可以显著提高苹果果实中的葡萄糖、果糖和蔗糖含量，并增加糖原合成酶和糖原酶的活性，同时降低了麦芽糖酶和蔗糖酶的活性。根据以上研究结果可知，根外施锌对苹果果实品质和糖代谢有良好的影响，对锌缺乏地区的苹果种植和产业发展具有重要的实践意义和广阔的应用前景。
关键词：锌；苹果；果实品质；糖代谢相关酶活性；根外施肥
Abstract
Appleisoneofthemostimportantfruitsintheworld,whichislovedbyconsumersforitsrichnutritionanduniquetaste.However,applefruitsareoftentroubledbydifferentdegreesofnutrientdeficiencyduringthecultivationprocess.Zincisoneoftheessentialnutrientsforplantgrowthanddevelopment,andzincdeficiencyinapplecultivationisacommonproblem.Thispaperreviewstheeffectofexogenouszincapplicationonapplefruitqualityandsugarmetabolism-relatedenzymeactivity.Theresultsshowthatexogenouszincapplicationsignificantlyimprovesthequalityofapplefruits,suchasincreasingthecontentoftitratableacidity,tanninandtotalphenols,whiletheeffectonfruitweightanddiameterisnotsignificant.Inaddition,theeffectofzinconsugarmetabolism-relatedenzymeactivityinapplefruitshasalsobeenwidelystudied.Exogenouszincapplicationcansignificantlyincreasethecontentofglucose,fructoseandsucroseinapplefruits,andincreasetheactivitiesofglycogensynthaseandglycogenphosphorylase,whilereducingtheactivitiesofmaltaseandsucrosesynthase.Basedontheaboveresearchresults,itcanbeinferredthatexogenouszincapplicationhasagoodeffectonthequalityandsugarmetabolismofapplefruits,andhasimportantpracticalsignificanceandbroadapplicationprospectsforapplecultivationandindustrialdevelopmentinzinc-deficientareas.
Keywords:zinc;apple;fruitquality;sugarmetabolism-relatedenzymeactivity;exogenousfertilization