Evaluation of Bread Wheat Genotypes under Drought Stress Conditions using Drought Tolerance indices and SSR Molecular Markers.

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Dehghan Manshadi Zohreh; DASHTI HOSSEIN; MALEKZADEH KHALIL; Maddahhosseini Shahab

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Journal: Iranian Journal of Field Crop Science Year:2019 | Volume:49 | Issue:4 Page(s): 35-50

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Title

Evaluation of Bread Wheat Genotypes under Drought Stress Conditions using Drought Tolerance indices and SSR Molecular Markers.

Author(s)

Dehghan Manshadi Zohreh | DASHTI HOSSEIN | MALEKZADEH KHALIL | Maddahhosseini Shahab | Issue Writer Certificate

Keywords

IndexQ1

drought toleranceQ1

SSR markersQ1

WheatQ1

GenotypeQ1

Abstract

36 bread Wheat Genotypes including 6 improved and introduced cultivars and 30 other Genotypes that were collected and prepared from different regions of Iran and other countries were evaluated in two irrigation conditions (normal and limited irrigation) in two separate randomized complete block design with three replications in both moisture conditions. Average yield for each Genotype in each environment were measured and tolerance and stress susceptibility indices were calculated and the relationship between a number of micro satellite markers (associated with drought tolerance) and drought tolerance of Genotypes were studied. The Genotypes were divided into three groups (tolerant, semi-tolerant and susceptible) by cluster analysis based on Stress Tolerance Index (STI), Geometric Productivity Mean (GMP), Mean Performance (MP) and Yield Index (YI) as well as grain yield under stress conditions. Genotypes 11. 113, 1553, 176, 198, 3798, 689, 894, 9016, 910, 99, Kohdasht, Pishtaz, Zagros, Sivand and Genotypes 1637, Sardari, 2047, 2103, Azar 2, 871, 890 were identified as tolerant and semi-olerant Genotypes, respectively. Cluster analysis based on micro satellite markers also divided the Genotypes into three groups. Comparison of dendrograms revealed a significant relationship between drought tolerance and SSR markers. As well as, regression analysis between the grain yield in both conditions, GMP, STI, MP as dependent and marker bands as independent variables showed that WMC179, WMC307 and WMC322 are the most effective markers in MAS for improving yield under stressed and non-stressed conditions.

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APA: Copy

Dehghan Manshadi, Zohreh, DASHTI, HOSSEIN, MALEKZADEH, KHALIL, & Maddahhosseini, Shahab. (2019). Evaluation of Bread Wheat Genotypes under Drought Stress Conditions using Drought Tolerance indices and SSR Molecular Markers.. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 49(4 ), 35-50. SID. https://sid.ir/paper/373729/en

Vancouver: Copy

Dehghan Manshadi Zohreh, DASHTI HOSSEIN, MALEKZADEH KHALIL, Maddahhosseini Shahab. Evaluation of Bread Wheat Genotypes under Drought Stress Conditions using Drought Tolerance indices and SSR Molecular Markers.. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2019;49(4 ):35-50. Available from: https://sid.ir/paper/373729/en

IEEE: Copy

Zohreh Dehghan Manshadi, HOSSEIN DASHTI, KHALIL MALEKZADEH, and Shahab Maddahhosseini, “Evaluation of Bread Wheat Genotypes under Drought Stress Conditions using Drought Tolerance indices and SSR Molecular Markers.,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 49, no. 4 , pp. 35–50, 2019, [Online]. Available: https://sid.ir/paper/373729/en

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