Study on Osmotic Adjustment Mechanism of Toma to Salt ToleranceEnhanced by Arbuscular Mycorrhizal Fungi

ACTA HORTICULTURAE SINICA ›› 2007, Vol. 34 ›› Issue (1): 147-152.

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Study on Osmotic Adjustment Mechanism of Toma to Salt ToleranceEnhanced by Arbuscular Mycorrhizal Fungi

HE Zhong-qun^1.2 ;HE Chao-xing^2*
;ZHANG Zhi-bin² ; ZOU Zhi-rong¹ ; Wang Huai-song² ;
TUNDE Takacs³

( ¹ Department of Horticulture, Northwest A & F University, Yangling, Shaanxi 712100, China; ² Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China; ³ Research Institute of Soil Sciences and AgriculturalChemistry, Hungary Academy of Sciences, Budapest H21022, Hungary)

Received:1900-01-01 Revised:1900-01-01 Online:2007-02-25 Published:2007-02-25

Abstract

Abstract:

The effects of arbuscular mycorrhizal fungi (AMF) on p lant growth and osmotic adjustment
matter content of pot cultured tomato under NaCl stress ( 0.5% and 1% ) were studied. The results showed
that AMF-inoculation significantly increased tomato p lant growth, promoted the accumulation of soluble sugar
in leaves and roots, increased soluble p rotein in leaves and proline content in roots under salt stress, so AMF
enhanced salt tolerance of tomato plants. The accumulation of soluble sugar, soluble p rotein and root p roline
induced by AMF played an important role in osmotic adjustmentmechanism of enhanced salt tolerance in my
corrhizal tomato.

Key words: Tomato, Arbuscular mycorrhizal fungi, NaCl stress, Osmotic adjustment matter

HE Zhong-qun.;HE Chao-xing;ZHANG Zhi-bin;ZOU Zhi-rong;Wang Huai-song;TUNDE Takacs. Study on Osmotic Adjustment Mechanism of Toma to Salt ToleranceEnhanced by Arbuscular Mycorrhizal Fungi[J]. ACTA HORTICULTURAE SINICA, 2007, 34(1): 147-152.

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Study on Osmotic Adjustment Mechanism of Toma to Salt ToleranceEnhanced by Arbuscular Mycorrhizal Fungi

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