Volume 14, Issue 68 (vol. 14, no. 68 2025)
2025, 14(68): 189-214 |
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Sadeghiyeh B, Jahanbakhsh Godehkahriz S, Farzaneh S, Ghasemi M, Matin A. Evaluation of some morphological and physiological characteristics of advanced bread wheat genotypes under the influence of drought stress. Plant Process and Function 2025; 14 (68) : 12
URL: http://jispp.iut.ac.ir/article-1-2134-en.html
URL: http://jispp.iut.ac.ir/article-1-2134-en.html
Babak Sadeghiyeh1 
, Sodabeh Jahanbakhsh Godehkahriz *2 , Salim Farzaneh1 , Marefat Ghasemi3 , Amirabbaas Matin4
, Sodabeh Jahanbakhsh Godehkahriz *2 , Salim Farzaneh1 , Marefat Ghasemi3 , Amirabbaas Matin4
1- Department of plant genetics and production engineering, University of Mohaghegh Ardabili, Ardabil, Iran
2- Department of plant genetics and production engineering, University of Mohaghegh Ardabili, Ardabil, Iran ,jahanbakhsh@uma.ac.ir
3- Horticulture Crops Reasearch Department. Ardabil Agricultural and Natural Resources Reasearch and Education Center, Ardabil, Iran
4- Department of Chemistry, Azarbaijan Shahid Madan, University, Tabriz, Iran
2- Department of plant genetics and production engineering, University of Mohaghegh Ardabili, Ardabil, Iran ,
3- Horticulture Crops Reasearch Department. Ardabil Agricultural and Natural Resources Reasearch and Education Center, Ardabil, Iran
4- Department of Chemistry, Azarbaijan Shahid Madan, University, Tabriz, Iran
Abstract: (98 Views)
In order to evaluate the effectiveness of morpho-physiological traits in the selection of bread wheat drought stress tolerance, an experiment was conducted with 10 advanced wheat genotypes in Influenced by a randomized complete block design with three replications in two environments: some drought stress and no stress in the agricultural and natural resources research station of Ardabil province. The results of variance analysis showed that drought stress increased the traits of days to clustering, number of spikelets per spike, leaf water loss, ion leakage rate, and electrical conductivity and decreased the traits of spike weight, variable fluorescence (FV), maximum fluorescence (FM), greenness index (SPAD), leaf relative humidity (RWC), and cytoplasmic membrane stability. The combination (number (3) × without stress) had the highest seed yield with an average of 4963 kg/ha, and together with the combinations (3, 4, 7, and 8 × no stress and two varieties, Zarineh and Hiran × no stress), were in the top class, and the lowest yield was the combination (3) × stress at the end of the season) with 4101.06 kg per hectare. Seed yield has a positive and significant correlation with spike weight, chlorophyll fluorescence (F0), chlorophyll fluorescence (Fm), leaf relative moisture content (RWC), and cytoplasmic membrane stability, and a negative and significant correlation with ion leakage and leaf water loss traits. The highest and most significant correlation was obtained between spike weight and grain weight traits, which can be considered as the most suitable selection criteria for drought tolerance in wheat.
Article number: 12
Type of Study: Research |
Subject:
Droughts Stress
Received: 2024/10/29 | Accepted: 2025/04/15 | Published: 2025/10/29
Received: 2024/10/29 | Accepted: 2025/04/15 | Published: 2025/10/29
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