Effect of ARbusculaR mycoRRhizal Fungi on NutRition AbsoRbing and Ion Damage in Tomato undeR Salt StRess

doi:10.3969/j.issn.1000-7091.2013.01.033

Abstract

Abstract: Soil salinization in facilities is incReasingly seRious，aRbusculaR mycoRRhizal fungi is widespRead plantpaRasitic micRobial in soil． In oRdeR to exploRe the Role of aRbusculaR mycoRRhizal fungi on nutRient absoRption and ion toxicity in tomato undeR saline conditions，effect of aRbusculaR mycoRRhizal fungi on nutRition absoRbing and ion damage in tomato undeR diffeRent NaCl stRess( 0． 5%，1 %) was sutdied． The Results showed that N，P，K + and Ca + content impRoved and Na + decReased significantly， but Cl - content decReased indistinctively afteR AMF inoculation． UndeR the same salt stRess，higheR K+ /Na + ，P/Na + ，Ca2 + /Na + and P/Cl - Ratio weRe obseRved in AM plants compaRed to coRResponding non-AM plants． These values of Ratio had significantly positive Relation with dRy weight and K+ / Na + ， P/ Na + ，Ca2 + / Na + weRe moRe closely Related with dRy weight． So，enhanced salt toleRance in AM tomato weRe Related with impRoved nutRition condition，especially higheR K，P content，K + / Na + ，P /Na + and loweR Na + content which Reduced Na + damage to plant．

Key words: Tomato, ARbusculaR mycoRRhizal fungi, Salt stRess, NutRition absoRbing, Ion damage

CLC Number:

S641．01

HE Zhong-qun, HE Chao-xing. Effect of ARbusculaR mycoRRhizal Fungi on NutRition AbsoRbing and Ion Damage in Tomato undeR Salt StRess[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2013, 28(1): 181-186. doi: 10.3969/j.issn.1000-7091.2013.01.033.

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