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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Alleviation of drought stress of marigold (Tagetes erecta) plants by using arbuscular mycorrhizal fungi
Saudi Journal of Biological Sciences, Volume 18, No. 1, Year 2011
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Description
The effect of an arbuscular mycorrhizal fungus "AMF" (Glomus constrictum Trappe) on growth, pigments, and phosphorous content of marigold (Tagetes erecta) plant grown under different levels of drought stress was investigated. The applied drought stress levels reduced growth vigor (i.e. plant height, shoot dry weight, flower diameter as well as its fresh and dry weights) of mycorrhizal and non-mycorrhizal plant as compared to control plant (non-drought stressed plant). The presence of mycorrhizal fungus, however, stimulated all growth parameters of the treated plant comparing to non-mycorrhizal treated plant. The photosynthetic pigments (carotene in flowers and chlorophylls a and b in leaves) were also stimulated by the mycorrhizal fungi of well-watered as well as of water-stressed plants. The total pigments of mycorrhizal plants grown under well-watered conditions were higher than those of non-mycorrhizal ones by 60%. In most cases, drought-stressed mycorrhizal plants were significantly better than those of the non-mycorrhizal plants. So, the overall results suggest that mycorrhizal fungal colonization affects host plant positively on growth, pigments, and phosphorous content, flower quality and thereby alleviates the stress imposed by water with holding. © 2010.
Authors & Co-Authors
Asrar, Abdul Wasea A.
Saudi Arabia, Riyadh
King Saud University
Elhindi, Khalid Mohammed
Saudi Arabia, Riyadh
King Saud University
Statistics
Citations: 173
Authors: 2
Affiliations: 1
Identifiers
Doi:
10.1016/j.sjbs.2010.06.007
ISSN:
1319562X
Research Areas
Environmental