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1、中國水稻科學(xué)(ChinJRiceSci),2013,27(2):161-167http://www.ricesci.cnDOI:10.3969/j.issn.1001-7216.2013.02.008161磷對(duì)水稻耐鋁性及根尖細(xì)胞壁組分的影響黃文方1陳曉陽2邢承華3鄭寨生2蔡妙珍4,*趙小麗4(1浙江師范大學(xué)化學(xué)與生命科學(xué)學(xué)院,浙江金華321004;2浙江省金華市農(nóng)業(yè)科學(xué)研究院,浙江金華321000;3金華職業(yè)技術(shù)學(xué)院農(nóng)業(yè)與生物工程學(xué)院,浙江金華321007;4浙江師范大學(xué)地理與環(huán)境科學(xué)學(xué)院,浙
2、江金華321004;*通訊聯(lián)系人,E-mail:mzcai@zjnu.cn)EffectsofPhosphorousonAluminumToleranceandCellWallPolysaccharideComponentsinRiceRootTipsHUANGWen-fang1,CHENXiao-yang2,XINGCheng-hua3,ZHENGZhai-sheng2,CAIMiao-zhen4,*,ZHAOXiao-li4(1CollegeofChemistryandLifeScience
3、s,ZhejiangNormalUniversity,Jinhua321004,China;2JinhuaAcademyofAgriculturalSciences,Jinhua321007,China;3BioengineeringInstitute,JinhuaCollegeofVocationandTechnology,Jinhua321007,China;4CollegeofGeographyandEnvironmentalSciences,ZhejiangNormalUniversit
4、y,Jinhua321004,China;*Correspondingauthor,E-mail:mzcai@zjnu.cn)HUANGWenfang,CHENXiaoyang,XINGChenghua,etal.Effectsofphosphorousonaluminumtoleranceandcellwallpolysaccharidecomponentsinriceroottips.ChinJRiceSci,2013,27(2):161-167.Abstract:Toelucidateth
5、epossibleinteractionofphosphorus-inducedAltoleranceinricebyimprovinginorganicphos-phorusmetabolismandmodifyingcellwallpolysaccharidesofroottipcellwalls,riceseedlingsoftworicecultivars[Feiyouduoxi1(Al-tolerantgenotype)andHongliangyou166(Al-sensitivege
6、notype)]werepretreatedwithphosphor-us(P)atconcentrationsof0.5,10and30mg/Lfor9d,thentreatedwith50μmol/LAlfor48h.Theresultsshowedthattotalrootlengthofbothricegenotypesdecreasedat50μmol/LAl,especiallyin0.5mg/LPandAlalternatepro-cessing.UnderAltoxicityst
7、ress,themalonaldehyde(MDA),ascorbicacid(ASA)andproline(Pro)contentsinriceleavesoftwogenotypesweresignificantlyhigherin0.5mg/LPpretreatmentthanothertreatments,and10mg/Land30mg/LPpretreatmentsignificantlydecreasedMDA,ASAandProcontents.Theseresultssugge
8、stedthatsufficientPsupplyamelioratedAldamageonrice.Thecontentsofpectinandhemicellulose2inrootapexofFeiyouduoxi1weresignificantlylowerin30mg/LPpretreatmentthanin0.5mg/Land10mg/LPpretreatmentunderAltoxicity,and0.5mg/LPpretreatmentincreasedFeiyouduoxi1r
