1—甲基环丙烯（1.mcp）等处理对切花与盆花产后品质与有关机理的影响

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1、1一甲基环丙烯(1-MCP)等处理对切花与盆花产后品质及有关机理的影响significantdifferenc2betweenthelnatthelevelof0．01FlowerdiameterIreatedbySTSwas1cmlargerthanthattreatedby1-MCP,LittlebluenessWaSobservedinflowerstreatedbySTS．TheeffectofSTSonimprovingtheflowerqualityisnotablybetterthanthatofI-MCPatthelevelof0．0

2、5and0．01．Theeffectsof1-MCPandpreservativesolutiononvase-holdingofcutMeiflower‘Y'mhongzhusha’and‘Fengxing’wasstudied,theresultsshowedthat1000nl／L1-MCPandPSIrealmentsprolongedthevaselifebyabout3d,inhibitedflowerabscission，stavedpetalblueness缸thelevelof0．05and0．01．1-MCPIrealmeutre

3、markablyimprovedflower012lenillg，stavedflowerandpetalabscission,anddepressedthereleasingquantityandpinnacleofethyleneduringvase．ItsuggestedthattwoeultivarsofMeiflowerareethylenesensitivityflower．Anditconfirmedthat,thephysiologicalandbiochemicaleffectsthat1-MCPinhibitedethylenea

4、ndstavedabscissionwererelatedtodepressingthecontentofMDAandvelumpenetratingcharacter,improvingtheactivityofSODandCAT．1-MCPCallfinditsbusinessu∞inMeicutflowersinceitcaninhibitabscissionnotably．800nl／L1-MCPtrealment(for8h)couldalleviatethedamageofflowerfadingandshedding,leafetiol

5、atinginducedbyextrinsicethylenelreatmentinDendrobiumnobile，anditcanalsoprolongthepea-harvestlife．ThestudyinferredthatDendrobiumnobileisethylenesensitiveflower,1-MCPtreatmentcouldbeappliedbeforethispottedflowercomingintothemarket．Dendranthemamorifoliumisethyleneinsensitiveflower

6、,0111"previousstudyshowedthatleaveearlyfadingandetiolatingofthechrysanthemumwererelatedtoethyleneinducedbyABAand姒duringthesenestx．‘nceprocess．Theeffectof1-MCPonovercomingleafearlyfadingandetiolatinginducedbyethyleneinstorageWasstudied,theresultshowedthatpretreatmentwith500nl／L1

7、-MCPfor6hcouldprolongflowerva∞life．reduceethylenereleasequantity,defcrethylenepinnacleinleafofcutchrysanthemum‘Youxiang’，restraintheeffectsofextrinsicethephononleaffadingandetiolafing．So1-MCPcanapplytoreSW&intheethyleneinjurywhichoccurredinthestorageofcutchrysanthemumeffectivel

8、y,itwillplayanimportantroleinthestorage，Iransportandpr