EFFECTS OF WATER STRESS AND INOCULATION WITH MYCORRHIZAL FUNGI AND SYMBIOTIC BACTERIA ON VEGETATIVE INDICES OF CHICKPEA (CICER ARIETINUM L.)

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MORADI S.; BESHARATI H.

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Journal: Journal of Soil Management and Sustainable Production Year:2015 | Volume:5 | Issue:3 Page(s): 219-231

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Title

EFFECTS OF WATER STRESS AND INOCULATION WITH MYCORRHIZAL FUNGI AND SYMBIOTIC BACTERIA ON VEGETATIVE INDICES OF CHICKPEA (CICER ARIETINUM L.)

Author(s)

MORADI S. | BESHARATI H. | Issue Writer Certificate

Keywords

GLOMUSQ2

MESORHIZOBIUMQ2

RESISTANCE TO DROUGHTQ2

ROOT NODULEQ2

WATER TENSIONQ2

Abstract

Background and Objectives: Drought, high and low temperatures are the most important abiotic stresses in chickpea cultivation.90 percent of world chickpea is produced where the production depends on rainfall and drought in the late season, is the main growth limiting factor. Improving plant root characteristics (root length and root volume) is one of the ways to increase drought tolerance in chickpea. Mycorrhizal symbiosis increases drought resistance of host plants through different mechanisms such as improving plants nutrition in drought stress, leaf water potential, length and depth of roots, root contact with the soil surface and plant metabolites balance. The aim of this study was to investigate the effects of drought and AM fungi on some chickpea growth indices.Materials and Methods: To study the effects of water stress and mycorrhizal fungi inoculation on chickpea, a greenhouse experiment as split plot was carried out in Maragheh Agricultural Research Station in a non-saline calcareous soil. Soil moisture levels, namely: Field capacity, (moisture in the 0.3 bar tension) moderate drought (moisture in the -5 bar tension) and severe water stress (water content in the -10 bar tension) were considered as main plots and inoculation with mycorrhizal fungi (GLOMUS mosseae, G. intraradices both fungi and un-inoculated control) and also inoculation with MESORHIZOBIUM ciceri (with and without bacteria) were as sub-plots. Seeds of chickpea cultivar ILC 482 were planted in pots containing 15 kg sandy loam soil, After 95 days, plants were harvested and some of their growth indices were measured.Results: Results indicated that the effect of moisture on number of pods per plant, number of seeds per pod, shoot and root dry weight, plant height and root volume was significant. MESORHIZOBIUMinoculation significantly increased all of measured parameters (except flowering time) compared with the control, while mycorrhizal inoculation was significant on plant height. The interactive effects of water and mycorrhiza and also interactive effects of water, mycorrhiza and MESORHIZOBIUM were significant on shoot dry weight only. Chickpea shoot dry weight decreased by 47.3% and 78.5% with decreasing soil moisture from field capacity to -5 bar and - 10bar respectively, while this decrease was by 40.5% and 71.2% inG. mosseae inoculation and by 37.7% and 72.5% inG. intraradices. In case of co-inoculation of two fungi, the decrease was by 78% at -10 bar, while at -5 bar tension, shoot dry weight not only did not decrease but also increased by 22%.Conclusion: Water stress considerably decreased the number of grain per plant. Mycorrhizalfungi inoculation relieved the reduction of dry weight due to water stress and actually helped plant. Fungi beneficial effect was better in the occurence of MESORHIZOBIUM bacteria.

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APA: Copy

MORADI, S., & BESHARATI, H.. (2015). EFFECTS OF WATER STRESS AND INOCULATION WITH MYCORRHIZAL FUNGI AND SYMBIOTIC BACTERIA ON VEGETATIVE INDICES OF CHICKPEA (CICER ARIETINUM L.). ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 5(3), 219-231. SID. https://sid.ir/paper/209800/en

Vancouver: Copy

MORADI S., BESHARATI H.. EFFECTS OF WATER STRESS AND INOCULATION WITH MYCORRHIZAL FUNGI AND SYMBIOTIC BACTERIA ON VEGETATIVE INDICES OF CHICKPEA (CICER ARIETINUM L.). ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2015;5(3):219-231. Available from: https://sid.ir/paper/209800/en

IEEE: Copy

S. MORADI, and H. BESHARATI, “EFFECTS OF WATER STRESS AND INOCULATION WITH MYCORRHIZAL FUNGI AND SYMBIOTIC BACTERIA ON VEGETATIVE INDICES OF CHICKPEA (CICER ARIETINUM L.),” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 5, no. 3, pp. 219–231, 2015, [Online]. Available: https://sid.ir/paper/209800/en

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