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:: Volume 15, Issue 4 (12-2021) ::
مرتع 2021, 15(4): 665-676 Back to browse issues page
Changes of morphological characteristics and nutrients of Bromus tomentellus under the influence of coexistence with mycorrhiza fungi for use in range seeding operation
Bakhtiar Fattahi , Reza Almasi, Fatemeh Ghasemi Hajiabadi
Faculty of Natural Resources and Environmental Sciences, Malayer University, Malayer
Abstract:   (581 Views)
Range Seeding (Pit-Seeding) is one of the necessities of rangeland improvement in most of the semi-arid and temperate rangelands, which in many cases has not been very successful. Improving the growth and establishment of plants in these operations is very important. For this purpose, taking advantage of the coexistence of plants with arbuscular mycorrhiza fungi is one of the most effective methods in meeting the nutritional needs of plants and reducing environmental stresses such as drought stress. In order to investigate the effect of mycorrhiza fungus on morphological characteristics and nutrients of Bromus tomentellus, this study was conducted in the greenhouse and research farm of Malayer University. The experiment was performed randomly with 3 inoculation treatments with Rhizophagus intraradices and Funneliformis mosseae and no inoculation (control) and 30 replications in each treatment. Morphological factors studied in the plant included germination percentage, shoot and root dry weight, root and stem length and viability percentage. Nutrients included phosphorus, nitrogen, potassium, iron, manganese, zinc, copper and magnesium of plants, as well as plant protein and carbon were measured. The results showed that although inoculation with mycorrhiza had a positive and increasing effect on the studied factors, R. intraradices had a more additive effect on the factors than F. mosseae. So that for many factors, this increase was 2-3 times higher than the control treatment. Among morphological indices, stem height (51%), germination percentage (41%) and viability percentage (45%) had the highest and root length had the lowest increase compared to the control treatment. Also among the elements and nutrients Nitrogen (54%), phosphorus (24%) and protein (55%) showed the highest increase. Meanwhile, the element carbon in the treatment of R. intraradices like phosphorus had a significant increase (24%) but in the treatment of F. mosseae had the least increase compared to other elements (6.77%). Based on the results of this study, it is recommended to use R. intraradices in order to improve and increase the yield of planted species in rangeland rehabilitation and improvement operations.
 
Keywords: Mycorrhiza, Bromus tomentellus, Rangeland Rehabilitation
Full-Text [PDF 420 kb]   (133 Downloads)    
Type of Study: Research | Subject: Special
Received: 2021/07/1 | Accepted: 2021/11/26 | Published: 2021/12/31
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Fattahi B, Almasi R, Ghasemi Hajiabadi F. Changes of morphological characteristics and nutrients of Bromus tomentellus under the influence of coexistence with mycorrhiza fungi for use in range seeding operation. مرتع. 2021; 15 (4) :665-676
URL: http://rangelandsrm.ir/article-1-1021-en.html


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Volume 15, Issue 4 (12-2021) Back to browse issues page
مرتع Rangeland
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