资源描述：
《磷对水稻耐铝性及根尖细胞壁组分的影响》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、中国水稻科学(ChinJRiceSci),2013,27(2):161-167http://www.ricesci.cnDOI:10.3969/j.issn.1001-7216.2013.02.008161磷对水稻耐铝性及根尖细胞壁组分的影响黄文方1陈晓阳2邢承华3郑寨生2蔡妙珍4,*赵小丽4(1浙江师范大学化学与生命科学学院,浙江金华321004;2浙江省金华市农业科学研究院,浙江金华321000;3金华职业技术学院农业与生物工程学院,浙江金华321007;4浙江师范大学地理与环境科学学院,浙
2、江金华321004;*通讯联系人,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
