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1、农业资源与环境学报JournalofAgriculturalResourcesandEnvironment2014年12月·第31卷·第6期:565-569December2014·Vol.31·No.6:565-569硒肥对猕猴桃果实硒含量及其营养品质的影响111,233411刘红芹,陈悦,方勇,张隽,宗良纲,孙宏杰,陈曦,薛梅,31*赵方杰,胡秋辉(1.南京财经大学食品科学与工程学院/江苏省现代粮食流通与安全协同创新中心,江苏南京210023;2.南京农业大学食品科技学院,江苏南京210095;3.南京农
2、业大学资源与环境科学学院,江苏南京210095;4.山东省淄博市博山区农业综合开发办公室,山东淄博255200)摘要:采用叶面喷施、根施及根叶并施方式对猕猴桃植株进行富硒处理。结果表明:3种施肥方式对于提高猕猴桃果实硒含量效果的顺序为叶面喷肥>根叶并施>根施,以叶面喷施0.5kg硒肥最优,果实硒含量增加了103.5%;提高果实维生素C(Vc)含量的效果顺序为根施>根叶并施>叶面喷肥,根施0.5kg硒肥最为显著,果实Vc含量增加了23.0%,而叶面喷肥后果实Vc含量下降;提高果实可溶性固形物含量的效果顺序为叶面
3、喷肥>根叶并施>根施,以叶面喷施0.5kg硒肥最优,果实可溶性固形物含量提高了37.2%。结合猕猴桃果实硒含量、营养品质、果树长势以及果园管理成本等因素,建议选用果树绽叶期根施硒肥0.5kg·株-1作为富硒猕猴桃果园的施肥技术。关键词:硒;猕猴桃;维生素C;可溶性固形物;营养品质中图分类号:S143.7文献标志码:A文章编号:2095-6819(2014)06-0565-05doi:10.13254/j.jare.2014.0256EffectsofSeleniumFertilizersonSeleniumC
4、ontentandNutrientQualityofKiwifruitLIUHong-qin1,CHENYue1,FANGYong1,2,ZHANGJun3,ZONGLiang-gang3,SUNHong-jie4,CHENXi1,XUEMei1,ZHAOFang-jie3,HUQiu-hui1*(1.CollegeofFoodScienceandEngineering/CollaborativeInnovationCenterforModernGrainCirculationandSafety,Nanjin
5、gUniversityofFinanceandEconomics,Nanjing210023,China;2.CollegeofFoodScienceandTechnology,NanjingAgriculturalUniversity,Nanjing210095,China;3.CollegeofResourcesandEnvironmentalScience,NanjingAgriculturalUniversity,Nanjing210095,China;4.AgriculturalCompre原hen
6、siveDevelopmentOfficeofBoshan,Zibo25520,China)Abstract:Theeffectsofdifferentfertilizationmethodsonseleniumcontentandnutritionqualityofkiwifruitswereemployedforseleniumfor原tification.Thefertilizationmethodswererootfertilization,foliarfertilizationandcombined
7、fertilizationontheircorrespondingfertilizingperi原ods.Theresultsdemonstratedthatseleniumcontentofthesethreeexperimentalgroupswasintheorderoffoliarfertilization>combinedfertil原ization>rootfertilization.Foliarfertilizationwiththedoseof0.5kgwasoptimal,whosesele
8、niumcontentofkiwifruitsincreasedby103.5%.ThevitaminCcontentofthesethreeexperimentalgroupswasintheorderofrootfertilization>combinedfertilization>foliarfertilization.Rootfertilizationwiththedoseof0.5kgwa