辣椒胞质雄性不育系k132a败育的细胞学特征、生化基础.研究与其应用

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1、decreasedinCMSline．ProlineiStheimportantmaterialforpollenmetabolicmechanism．ItsinculmatekeepsthenormalbiochemicalactivitiesthroughmiddlepHvalue．FromthiSview。weconsiderthatthelowerprolinecontentwasoneofthefactorsresponsibleforthemalesterility．3．Aninvestigatio

2、nintobiochemicalaspectsofPeroxidase(POD)，Polyphenoloxidase(PPo)，Catalase(CAT)，Superoxidasedismutase(SOD)inantherusingtheanthersfromK132AanditsmaintainerlineK132Bhasbeenperformed．ResuItsshowedthattheactivitiesofPOD，PPOandSODinmalesterilelineweresignificantlyh

3、igherthanthatinmaintainerlineatthecorrespondingdevelopmentstages．Atthemeantime，theyincreasedwiththebuddevelopmentinK132AwhileitinK132B．TheactivityofCATinmalesterilelinewaslowerthanthatinmaintainerline，suggestingthattheunbalanceenzymeactivitiesmightberesponsi

4、bleforthemalesterilityinK132A．4．Solubleproteincontentintheantherofmalesterilelineislowerthanthatinthemaintainerline．WiththebuddevelopmentthecontentofsolubleproteinatthebigandmiddlebudstagewaslowerthanthatatthesmallbudstageinCMSwhereasitwashigherthanthatatthe

5、smallbudstageinmaintainer．5．Duringthespringandautumnthemalesterilelinewastransplantedindifferentsites(Hangzhou，InnerMongolia，Xinjiang)．Themalesterilityisstableunderthedifferentconditionsbasedonthe100％malesterility．Themalesterilitywasnotinfluencedbyelimate．Un

6、derthenetcoveredcondition20fruitshavebeeninvestigatedin50plants．Theywereseedlessandshriveledsmallersizecomparedwiththenormalones．Italsoconfirmedthestablemalesterility．Maintainerandrestorelineshavebeenbredbytestcrossandbackcrossmethods．Onevarietyhasbeenbredin

7、whichthehorticulturetraitsweregood．ItcanbecultivatedduringthesummerseasoninHuazhongregion．Theyieldwas5000kg／667m2．Cytoplasmicmalesterilelineshavebeenpreserved．ThecommercialhybridseedproductionofpepperhasbeenperformedusingtheCMS．Keyword：PepperCytoplasmicmales

8、terileAbortionIV英文缩略表英文缩写Cm“mnmm2ml“lkggmgpgWVFWMlaMmlnhLUXr／min英文全称CentimeterMicronNamometerSquaremeterMilliliterMicrolitreKilogramGramMilligramMicrogrammeWeightV0lumeFreshweightMolMicroMOlMinu