Effect of mycorrhizal inoculation on seedlings establishment and morphological parameters of alfalfa (Medicago sativa L.) in rangeland of Bahar Kish Quchan

Document Type : Scientific - Research


1 Ferdowsi University of Mashhad

2 Department of Agriculture, Faculty of Agriculture, Shahrood University of Technology


Plant establishment is the most critical stage in biological renovation of rangelands. The processes which normally fails, due to the harsh conditions in the arid and semiarid environments. New technologies may be used to overcome this problem. The purpose of the present study was to investigate the possibility of enhancing seedling establishment and growth rate of alfalfa (Medicago sativa L.) under natural habitats by inoculation with mycorrhiza species. Seeds of alfalfa were sown under greenhouse for 20 days and inculcated with two species of Glomus intraradices and G. mosseae. After 30 days seedlings were transplanted the rangeland as sub plots as split plot based on RCBD (Randomized complete block design) were evaluated with three replication. Root colonization percent with G. mosseae was 62/7 % and with of G . intraradices was 72%. Mycorrhozal inoculation increased establishment of alfalfa at the early and late growth stages, with stronger effects of G. intraradices than G. mosseae. Furthermore leaf and root dry matter, total dry matter and the shoot/root, was increased as a result of G. intraradices, compared with G. mosseae inoculation. In conclusions, G. intraradices can be used as a biological fertilizer for establishment of alfalfa in semiarid rangeland of Bahar Kish, Quchan.


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