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华 中 农 业 大 学 学 报 第 39 卷
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MechanismsofboronGinducedalleviationofaluminumtoxicit y inp lants
1 1 , 2 1 1 1 1 1
YANLei , LIUJia y ou , LIU Yalin , ZENG Yu , ZENGZi j un , CHENGJin , JIANGCuncan g
1.MicroelementResearchCenter , Colle g eo fResourcesandEnvironment ,
,
Huazhon gA g riculturalUniversit y Wuhan430070 , China ;
,
2.De p artmento f Horticulture , FoshanUniversit y Foshan528000 , China
Abstract Aluminum ( Al ) toxicit y inacidsoil , hasbecomeaworldwideto p ic , andboron ( B ) has
beenwidel ystudiedinalleviatin gAltoxicit y .Inordertoex p lorethemiti g ationeffectofBonAltoxicit y
inp lantsmoreclearl y .Thisreview mainl y inter p retedthemechanismsofAltoleranceinp lantsandthe
s p ecificmiti g ation mechanismsofBon Altoxicit yfromtwoas p ects : externalandinternaltolerance
mechanism , andex p lorin g themiti g ationmechanismsofBonAltoxicit y inp lants , whichmainl y include :
( 1 ) inducin g thesecretionofor g anicacids ;( 2 ) re g ulatin g thechan g eofrootp H ;( 3 ) reducin g theAl
bindin g siteoncellwall ;( 4 ) re g ulatin g theantioxidants y stem ;( 5 ) romotin gvacuolechamber , inorG
p
dertop rovideatheoreticalbasisfortheBfertilizera pp licationinacidsoiltoim p rovetheAltoleranceof
p lants.
Ke y words aluminumtoxicit y boron ; externall ydetoxification ; internaltolerance ; or g anicacid ;
;
bindin gsite ; com p artmentalization
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