Journal
PHOTOSYNTHETICA
Volume 55, Issue 2, Pages 378-385Publisher
ACAD SCIENCES CZECH REPUBLIC, INST EXPERIMENTAL BOTANY
DOI: 10.1007/s11099-017-0662-y
Keywords
arbuscular mycorrhizal colonization; biomass; carbon content; calorific value; saline conditions
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Funding
- Special Fund for Forest Scientific Research in the Public Welfare [201404217]
- National Natural Science Foundation of China [31270639, 31170567]
- Program for Changjiang Scholars and Innovative Research Team in University of China [IRT1035]
- General Financial Grand from the China Postdoctoral Science Foundation [2016M592849]
- Natural Science Foundation of Henan Province [142102110185]
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Saline soils spread wildly in the world, therefore it is important to develop salt-tolerant crops. We carried out a pot study in order to determine effects of arbuscular mycorrhizal fungi (AMF) (Rhizophagus irregularis and Glomus versiforme) in black locust seedlings under salt (NaCl) stress. The results showed that AMF enhanced in seedlings their growth, photosynthetic ability, carbon content, and calorific value. Under salt stress, the biomass of the seedlings with R. irregularis or G. versiforme were greater by 151 and 100%, respectively, while a leaf area increased by 197 and 151%, respectively. The seedlings colonized by R. irregularis exhibited a higher chlorophyll content, net photosynthetic rate, intercellular CO2 concentration, stomatal conductance, and transpiration rate than that of the nonmycorrhizal seedlings or those colonized by G. versiforme. Both R. irregularis and G. versiforme significantly enhanced a carbon content, calorific value, carbon, and energy accumulations of black locust under conditions of 0 or 1.5 g(NaCl) kg(-1)(growth substrate). Our results suggested that AMF alleviated salt stress and improved the growth of black locust.
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