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1、中国水稻科学(ChinJRiceSci),2015,29(2):150-158http://www.ricesci.cn150DOI:10.3969/ji.ssn.1001G7216.2015.02.006膜下滴灌和淹灌两种栽培模式下水稻光合生理特性的研究王志军1谢宗铭1,∗田又升1陈林2董永梅1李有忠1吕昭智1,3(1新疆农垦科学院生物技术研究所/作物种质创新与基因资源利用兵团重点实验室,新疆石河子832000;2新疆天业(集团)有限公司,新疆石河子832000;3中国科学院新疆生态与地理研究所,乌鲁木
2、齐830011;∗通讯联系人,EGmail:xiezmchy@163.com)PhotosyntheticCharacteristicsofRiceUnderDripIrrigationwithPlasticFilmMulchingandContinuousFloodingWANGZhiGjun1,XIEZongGming1,∗,TIANYouGsheng1,CHENLin2,DONGYongGmei1,LIYouGzhong1,LVZhaoGzhi1,3(1BiotechnologyResearchIn
3、stitue,XinjiangAcademyofAgriculturalandReclamationScience/KeyLaboratoryofCropGermplasmEnhancementandGeneResourcesUtilizationofXinjiangProduction&ConstructionGroup,Shihezi832000,China;2XingjiangTianye(Group)Co.,Ltd,Shihezi832000,China;3XinjiangInstituteofE
4、cologyandGeography,ChineseAcademyofSciences,Urumqi830011,China;∗Correspondingauthor,EGmail:xiezmchy@163c.om)WANGZhijun,XIEZongming,TIANYousheng,etal.Photosyntheticcharacteristicsofriceunderdripirrigationwithplasticfilmmulchingandcontinuousflooding.ChinJRi
5、ceSci,2015,29(2):150G158.Abstract:Photosyntheticpigmentscontents,photosyntheticcharacteristics,chlorophyllfluorescenceparameters,osmolytes,andwateruseefficiency(WUE)andyieldfactorsatmilkystageoftworicelinesTG04andTG43(Oryzasativasubsp.keng)wereanalyzedund
6、ertraditionalcontinuousfloodinganddripirrigationwithplasticfilmmulchinginapotexperiment.TheresultsshowedthattheWUEofriceunderdripirrigationwithplasticfilmmulchingwerehigherthanthatundertraditionalflooding,butchlorophylla,chlorophyllbandcarotenoidscontents
7、weresignificantlyreducedcomparedwiththoseundertraditionalcontinuousflooding.Themaximumleafnetphotosyntheticrate,relativelyhighintercellularCO2concentration(Ci)andanequivalentstomatalconductance(GS),transpirationrate(Tr)weresignificantlylowerthanthoseunder
8、continuousflooding,indicatingthatthereducedphotosyntheticratewasattributedtobothchlorophyllcontentsandstoma.Apparentquantumefficiency(AQY),carboxylationefficiency(CE),ΦPSⅡ,electrontransportrate(ETR)andFv/Fmdecreased
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