Document Type : Research Paper


1 Assistant Professor, Department of Plant Production Technology, Dehloran Faculty of Agriculture and Engineering, Ilam University, Ilam, Iran.

2 Assistant Professor, Crop and Horticultural Science Research Department, Ilam Agricultural and Natural Resources Research and Education Center, AREEO, Ilam, Iran.

3 Assistant Professor, Department of Plant Production and Genetics, Faculty of Agriculture, University of Maragheh, Maragheh, Iran


In order to investigate the effect of mycorrhizl fungi on dry matter remobilization of barley in dryland conditions, a field experiment has been carried out in factorial analysis based on randomized complete block design with three replications at the farm station of Sarablah Agricultural Research Cente, Ilam during 2019-2020 cropping season. Experimental factors include different barley cultivars (Mahali, Mahoor, Khoram, and Fardan) and fertilizer application is the control (without fertilizer application), 50% P chemical fertilizer, mycorrhizal fungi (Glomus mosseae, Glomus etunicatum and Rhizophagus irregularis), mycorrhizal fungi along with 50% P chemical fertilizer and 100% P chemical fertilizer. The results of this study indicate that the interaction of cultivar along with fertilizer application have had significant influence on dry matter remobilization efficiency from spike, contribution of spike reserves to grain yield, dry matter remobilization efficiency from stem, contribution of stem reserves to grain yield, current photosynthesis rate, contribution of current photosynthesis, and grain filling rate. Thus, the interaction of Fardan cultivar and mycorrhizal fungi along with 50% P chemical fertilizer has had the highest dry matter remobilization effeciency from spike, contribution of spike reserves to grain yield, current photosynthesis rate, contribution of current photosynthesis, and grain filling rate. In return, in this study the highest stem dry matter remobilization effeciency, contribution of stem reserves to grain yield, have been obtained from the interaction of Mahali cultivar along with control treatment. According to the results, in dryland conditions of the region, new cultivar of Fardan as well as mycorrhizal fungi along with 50% P chemical fertilizer can be recommended.


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