Plant Soil Environ., 2010, 56(7):318-324 | DOI: 10.17221/204/2009-PSE

Effect of salinity stress on mycorrhizal association and growth response of peanut infected by Glomus mosseae

A.S. Al-Khaliel
Department of Botany and Microbiology, College of Science, King Saud University, Kingdom of Saudi Arabia

Arbuscular mycorrhiza is a mutualistic association between fungi and higher plants, and play a critical role in nutrient cycling and stress tolerance. However, much less is known about the mycorrhiza-mediated enhancement in growth and salinity tolerance of the peanuts (Arachis hypogaea L.) growing in the arid and semi-arid areas. Therefore, mycorrhizal status of Glomus mosseae in diverse salinity levels on original substrate soil conditions was investigated. Different growth parameters, accumulation of proline content and salt stress tolerance were studied. These investigations indicated that the arbuscular mycorrhizal fungi could improve growth of peanuts under salinity through enhanced nutrient absorption and photosynthesis. Chlorophyll content and leaf water content were increased significantly under salinity stress by the inoculation with mycorrhizal fungi. Tolerance of the plants to salinity was increased and the mycorrhizal association was found highly effective in enhancing peanut growth and establishment in soils under salinity and deficient in phosphorus.

Keywords: arbuscular mycorrhizae; Glomus mosseae; Arachis hypogaea; salt tolerance; proline

Published: July 31, 2010  Show citation

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Al-Khaliel AS. Effect of salinity stress on mycorrhizal association and growth response of peanut infected by Glomus mosseae. CAAS Agricultural Journals. 2010;56(7):318-324. doi: 10.17221/204/2009-PSE.
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