Effect of Arbuscular Mycorrhizal on Growth and Physiology of Cucumber Seedlings Under Cd-stress

WU Xiao-lei; LI Pan; ZHANG Yan-fang; JIA Cong-cong; WU Lin-lin; ZHANG Hong-xi; GAO Hong-bo

doi:10.19303/j.issn.1008-0384.2016.12.012

Volume 31 Issue 12

Feb. 2017

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Article Navigation > Fujian Journal of Agricultural Sciences > 2016 > 31(12): 1323-1328

WU Xiao-lei, LI Pan, ZHANG Yan-fang, JIA Cong-cong, WU Lin-lin, ZHANG Hong-xi, GAO Hong-bo. Effect of Arbuscular Mycorrhizal on Growth and Physiology of Cucumber Seedlings Under Cd-stress[J]. Fujian Journal of Agricultural Sciences, 2016, 31(12): 1323-1328. doi: 10.19303/j.issn.1008-0384.2016.12.012

Citation:

WU Xiao-lei, LI Pan, ZHANG Yan-fang, JIA Cong-cong, WU Lin-lin, ZHANG Hong-xi, GAO Hong-bo. Effect of Arbuscular Mycorrhizal on Growth and Physiology of Cucumber Seedlings Under Cd-stress[J]. Fujian Journal of Agricultural Sciences, 2016, 31(12): 1323-1328. doi: 10.19303/j.issn.1008-0384.2016.12.012

Citation:

WU Xiao-lei, LI Pan, ZHANG Yan-fang, JIA Cong-cong, WU Lin-lin, ZHANG Hong-xi, GAO Hong-bo. Effect of Arbuscular Mycorrhizal on Growth and Physiology of Cucumber Seedlings Under Cd-stress[J]. Fujian Journal of Agricultural Sciences, 2016, 31(12): 1323-1328. doi: 10.19303/j.issn.1008-0384.2016.12.012

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Effect of Arbuscular Mycorrhizal on Growth and Physiology of Cucumber Seedlings Under Cd-stress

doi: 10.19303/j.issn.1008-0384.2016.12.012

1.
College of Horticulture, Hebei Agricultural University, Baoding, Hebei 071000, China
2.
College of Horticulture, Northwest A & F University, Yangling, Shanxi 712100, China

Received Date: 2016-05-30
Rev Recd Date: 2016-06-30
Publish Date: 2016-12-28

Abstract

Abstract

Effect of nursery substrates inoculated with arbuscular mycorrhizal on the growth and physiological characteristics of cucumber seedlings under Cd-stress was studied. Two levels of Cd, i.e., 0.2 and 0.4 mmol·L^-1, were artificially imposed on the substrate during the experimentation for observation. The results showed that the growth, photosynthesis and photosynthetic activity of the seedlings were inhibited, while the antioxidant enzymatic activities increased significantly under the Cd-stresses. The inhibitions were more pronounced with higher addition ofCd. On the other hand, with the aid of arbuscular mycorrhizal, the leaf area, root activity and underground dry weight of the seedlings cultivated under the Cd-stress increased dramatically. Meanwhile, Pn, Gs and Tr improved significantly, Ci decreased significantly, Fv/Fm, ETR, qP and фPSII improved significantly, and NPQ decreased significantly; while, the activities of POD and CAT were enhanced, and the O₂ producing rate and MDA content decreased. It appeared that arbuscular mycorrhizal could alleviate the growth inhibition effects and decrease the damage to the photosynthetic system on the cucumber seedlings due to Cd-stress, especially, when the stress was less severe at a low level, such as 0.2 mmol·L^-1.
- cucumber,
- substrates with arbuscular mycorrhizal,
- Cd-stress,
- growth,
- photosynthesis,
- chlorophyll fluorescence parameters,
- metabolism of reactive oxygen species

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References(23)

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