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Journal of Biological Sciences
Year: 2017  |  Volume: 17  |  Issue: 1  |  Page No.: 28 - 34

Changes in Content of Chlorophyll, Carotenoids, Phosphorus and Relative Water Content of Medicinal Plant of Borage (Borago officinails L.) under the Influence of Mycorrhizal Fungi and Water Stress

A. Rahimi, Sh. Jahanbin, A. Salehi and H. Farajee    

Abstract: Background and Objective: Drought is one of the factors that affect medicinal plants and on the other hand, the role of mycorrhizal fungi was effective in improving the performance of some medicinal plants exposed to water stress. For this purpose, an experiment was conducted as split-plot in randomized complete block design with 3 replications in the Boyerahmad region at years 2015 and 2016. Materials and Methods: The experiment factors were considered of irrigation levels (main-plot) as irrigation after S1 = 30, S2 = 60, S3 = 90, S4 = 120 and S5 = 150 mm water evaporation from evaporation pan class A and mycorrhiza fungi (sub-plot) were considered at the levels of non application (NM), application with mycorrhiza fungi species of Glomus mosseae (GM) and Glomus intraradices (GI). Results: Results showed that the effect of year on the studied traits of borage was not significant but the interaction of water stress and mycorrhizal fungi on chlorophyll a, chlorophyll b, total chlorophyll, carotenoids, flowers phosphorus, grain phosphorous and leaf relative water content of borage were significant. Irrigation after 30 and 60 mm evaporation from pan evaporation+without and the use of mycorrhizal fungi of water Glomus mosseae and Glomus intraradices proportion to irrigation after 150 mm evaporation from pan evaporation+without application and the use of mycorrhizal fungi increased studied characteristic of borage. Conclusion: The results of this study was showing to decrease in the properties of borage medicinal plant as a result of drought stress but the application of mycorrhizal fungi could increase borage traits in drought stress conditions in the study and decrease of the negative effects of drought stress.

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