蘋果采收成熟度判定方法及1-MCP對‘嘎拉’蘋果貯藏特性影響的研究.pdf

1、西北農(nóng)林科技大學(xué)碩士學(xué)位論文蘋果采收成熟度判定方法及1MCP對‘嘎拉’蘋果貯藏特性影響的研究姓名：王瑞慶申請學(xué)位級別：碩士專業(yè)：植物學(xué)指導(dǎo)教師：馬書尚20050601STUDYoNAPPLEMATURITYDETEIU訂lNATIoNANDEFFECTSoF1一MCPoNSToRAGEBEHAVloRoF‘GALA’APPLEABSTRACTBasedonthestandardstarchiodinetestguidemadebyChr

2、isandgeneralmaturityindices，anewstarchtestguideforjudgingthematurityof‘Gala’，‘Qinguan’and‘Fuji‘a(chǎn)pplesmaingrowninShaanxiprovinceweredeveloped；Theeffectsof300nLL’1and600nLL“1methylcyclopropene(1MCP)ontherespiration，ethylen

3、eproduction，fruitqualityandproteinpaaemsin‘Gala’applewerestudiedduringthestorageatO。Candwithinthesubsequent7dayshelflifeatroomtemperatureThephysiologicalandbiochemicalmechanismofripeningofapplestreatedwith1MCPwerealsopro

4、bedThepotentialapplicationoflowerconcentrationof1MCPtoapplestoragewasdiscussedThemainresultsacquiredwereasfollows：(1)Firmness，totalsolublesolidsandtitratableacidsin‘Gala’，‘Qinguan’and‘Fuji’applesduringmaturingwerelinearl

5、ycorrelatedwithharvestdate，whichCanbeusedasreferencefordeterminingtheharvestdateofthesecultivarsThestarchindexof‘Gala’，‘Qinguan’and‘Fuji’applesincreasedsignificantlyduringmaturitywhichCallbeusedasthereliableindexindeterm

6、iningthematurityandharvestdateforthesecultivarsReferringtothestarchtestguidedevelopedinthisexperiment，‘Gala’，‘Qinguan’and‘Fuji’appleshouldbeharvestedwhenthestarchindexreached5，7and8respectivelywhentheyreachedthehorticult

7、uralmaturityThisguideCanbeextendedindeterminingthematurityandtheharvestdateofthesecultivars(2)300nLL“1MCPsignificantlyinhibitedtherespirationandethylene(C2H4)production，sloweddownthedecreaseinthefleshfmnnessandtitratable

8、acidsof‘Gala’applesduringstorage，buthadnoeffectonthetotalsolublesolidsNosignificantdifferenceWaSfoundbetween300nLL～and600nLL。1of1MCPin‘Gala’appleToreducethecostof1MCP300nLL。11MCPCanbeusedin‘Gala’applecommercialstorage(3)

9、SDS—PAGEanalysisindicatedthatfivedifferentialproteinbandsappearedduring120一daystorageat0Cinnontreatedfruitsboth300nLL。1and600nLL。11MCPtreatmentdelayedorinhibitedtheappearanceofthoseproteinsKEYWORDS：apple，maatrity1MCPstor