Abstract
A pot experiment was conducted to examine the effects of arbuscular mycorrhizal fungi on growth, nutrition and some physiological aspects of cowpea (Vigna unguiculata L.) plants grown at different salinity concentrations (0, 10, 15, 20, 25 and 30 mM NaCl). Under saline condition, arbuscular mycorrhizal fungal (AMF) inoculation significantly increased growth responses, photosynthetic pigments, nutrient contents, proline and total soluble protein of cowpea plants compared to non-AM ones. Those stimulations were related to the levels of mycorrhizal colonization in the associated plants. Interestingly, high proline, chlorophyll content and antioxidant enzymes in AM plants could be important for salt alleviation in plants growing in saline soils.Int J Appl Sci Biotechnol, Vol 4(3): 372-379
Highlights
Salinity is one of the main abiotic factors negatively affecting plant growth and production all over the world (Evelin et al, 2012)
The use of the biological applications; mycorrhizal symbiosis as a practical method to alleviate a soil stresses like salinity on plant growth and production has received a greater attention (Elhindi et al, 2016)
Salt stress is known to retard growth as a result of osmotic stress, ionic toxicity, nutritional imbalance and oxidative stress (Abdel Latef, 2011)
Summary
Salinity is one of the main abiotic factors negatively affecting plant growth and production all over the world (Evelin et al, 2012). Mycorrhization increased the growth of cowpea plants where AMF inoculation helps the plant to acquire nutrients through their hyphal network and improves the photosynthetic rate as well as water osmotic homeostasis.
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