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1、摘要ABSTRACTThepepper（CapsicumannuumL.）isasolanaceaepanicummiliaceum,whichisthermophilicbutcannottoleratehightemperature.ThelinepepperisaimportanttypeinChina.Atpresentthelinepepperhasbecomethemaineconomicalcropinmanyareasofourcountry.Itisnecessarytostudyontheheattoleranc
2、eofpeppersastheheatdamageinsummer.Inthisstudy,6peppervarieties,whicharecommoninmarket,weretreatedunder30℃,35℃and40℃toidentifytheheattoleranceatgerminationandseedlingstagesandstudytheinfluenceonphysiological-biochemicalcharacteristic.Thisstudystillinvestigatedthecampest
3、ralagronomiccharactersofthe6peppervarietiesinmidsummer.Themainresultswereasfollows:(1)Theresultsofgerminationtestshowthat:‘XinxiangNo.24’and‘HangjiaoNo.1’aregerminationheatresistantvarieties；‘XinxiangNo.2’and‘XinxiangNo.8’showedmoderateheatresistance；‘LafengNo.3’and‘No
4、ngda8819’areheatsensitivevarietiesingerminationstage.(2)Theresultsofseedlingheatdamageindexshowthat:‘XinxiangNo.8’and‘XinxiangNo.24’areheatresistantvarieties；‘XinxiangNo.2’,‘HangjiaoNo.1’and‘LafengNo.3’aremoderateheatresistantvarieties；‘Nongda8819’showedlowheatresistan
5、ce.(3)Theresultsoffieldtrailshowthat:‘XinxiangNo.8’and‘XinxiangNo.24’showedhighheatresistance；‘XinxiangNo.2’,‘HangjiaoNo.1’and‘LafengNo.3’aremoderateheatresistantvarieties；‘Nongda8819’failedtoresisthightemperatureinthefield.(4)Astheincreasingoftemperature,theSODactivit
6、yrosefirstandthenfell；thecontentofProandMDAcontinuetorise；thereisnotsignificantcorrelationbetweenthePODactivityandheatresistantability.(5)Thecomprehensiveanalyzingresultsshowthat:theresultsbetweengerminationidentificationmethodandfieldidentificationmethodwereconsistent
7、ingeneral.Theseedlingidentificationmethodhashighconsistencywithfieldresult,anditisalwaysaccurateandstable.Keywords:Linepepper;Heattolerance;IdentificationIV万方数据第一章文献综述第一章文献综述1.1引言辣椒(CapsicumannuumL.)又名番椒、红海椒、大椒、辣虎、广椒、辣子等,属茄科(Solanaceae)辣椒属(Capsicum),多为一年或有限多年生草本植物。辣椒起源
8、于[1]中南美洲热带雨林地区的墨西哥、秘鲁等地,于明代传入中国。辣椒中含有丰富的维生素C、β-胡萝卜素、叶酸、辣椒素、矿物质等,既可鲜食调味,也可入药,具有重2要的经济价值和食疗保健作用。2011年世界辣椒种植面积已达370万hm,产
