Volume 15, Issue 56 (sumer 2011)                   JWSS 2011, 15(56): 91-102 | Back to browse issues page

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F. Aghababaei, F. Raiesi. The Influence of Mycorrhizal Symbiosis on Chlorophyll, Photosyntetise and Water Use Efficiency in Four Almond Genotypes in Chahar Mahal va Bakhtiary . JWSS. 2011; 15 (56) :91-102
URL: http://jstnar.iut.ac.ir/article-1-1709-en.html
Abstract:   (35446 Views)
The positive and beneficial effects of mycorrhizal symbiosis on the growth of various plants have already been documented. Most arable crops can mutually establish symbiosis with endo-mycorrhizal fungi, however, mycorrhizal associations with almond (prunus amygdalus), particularly in calcareous soils of arid and semi-arid regions, have not been studied. Thus, to realize the symbiotic association between mycorrhiza fungi and economically important native almond genotypes in Chaharmahal va Bakhtiary province, an experiment consisting of a randomized complete factorial design with three factors: almond genotypes (Mamaei, Rabee, Talkh, Sefid), soil phosphorus levels (0 and 150 kg P ha-1) and mycorrhizal treatments (almond inoculated with Glomus intraradices, Glomus mosseae and without inoculation) with three replications was conducted under greenhouse conditions by 4 months. Results showed that physiological traits including chlorophyll concentration, net photosynthetic rate and water use efficiency, were significantly increased for 20%, 300% and 300%, respectively in mycorrhizal almond plants, while transpiration rate was decreased (8-10%). Although the genotype of almond and soil P were dependent on these factors, mycorrhiza species had the same effects. Increased available P in the soil enhanced the growth in all treatments and photosynthesis of nonmycorrhizal almonds.
Full-Text [PDF 178 kb]   (6452 Downloads)    
Type of Study: Research | Subject: Ggeneral
Received: 2011/10/10

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