Response of mycorrhizal and nonmycorrhizal Arachis hypogaea to NaCl and acid stress |
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Authors: | Rekha Gupta K V Krishnamurthy |
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Institution: | (1) Plant Tissue Culture Division, National Chemical Laboratory, Pune 411008, India, IN |
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Abstract: | The response of peanut to salt (NaCl) and acid (HCl) stress was studied in association with Glomus caledonium, an arbuscular mycorrhizal (AM) fungus. The plants were exposed to salt stress by irrigation on alternate days with 1% or
5% NaCl solutions, or with 0.1 N HCl to induce acid stress. Plant yield almost tripled in mycorrhizal plants compared with
nonmycorrhizal control plants. AM inoculation significantly increased plant yield and biomass at 1% NaCl, while at 5% NaCl
AM was less effective in alleviating salt stress. Percentage AM colonization was also lowest at 5% NaCl. AM inoculation was
found to promote the establishment of peanut plants under acid stress conditions.
Accepted: 2 October 1995 |
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Keywords: | Glomus caledonium Peanut Acid Salt Stress |
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