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Ascertaining the Robust Drought Tolerant Wheat Germplasm for Sustainable Agriculture

文献类型： 外文期刊

作者： Ahmed, Hafiz Ghulam Muhu-Din 1 ; Zeng, Yawen 2 ; Sajad, Muhammad 1 ; Fatima, Tehreem 1 ; Fatima, Noor 3 ; Hussain, Ghulam Sabir 4 ; Akram, Muhammad Irfan 5 ; Saeed, Amjad 3 ; Rafiq, Muhammad Hamza 1 ; Mushtaq, Muhammad Ahtasham 1 ;

作者机构： 1.Islamia Univ Bahawalpur, Fac Agr & Environm, Dept Plant Breeding & Genet, Bahawalpur 63100, Pakistan

2.Biotechnol & Germplasm Resources Inst, Yunnan Acad Agr Sci, Kunming 650205, Peoples R China

3.Islamia Univ Bahawalpur, Inst Forest Sci, Fac Agr & Environm, Bahawalpur, Pakistan

4.Fatima Fertilizers Ltd, Tech Serv Dept, Lahore, Pakistan

5.Islamia Univ Bahawalpur, Fac Agr & Environm, Dept Entomol, Bahawalpur, Pakistan

期刊名称：POLISH JOURNAL OF ENVIRONMENTAL STUDIES （ 影响因子：1.3； 五年影响因子：1.4 ）

ISSN： 1230-1485

年卷期： 2025 年 34 卷 3 期

页码：

收录情况： SCI

摘要： This study aims to discover and assess how various wheat genotypes respond to abiotic stress, such as drought, which can result in considerable yield losses in wheat production. A serious global challenge to food security is the depletion of water resources brought on by excessive irrigation use and climate change. Therefore, this study was conducted using morphological characteristics to assess drought tolerance. To investigate wheat genotypes' tolerance to drought. A total of 50 wheat genotypes were sown in the field using a Randomized Complete Block Design (RCBD) with 3 replications of normal and drought stress conditions. Principal component analysis (PCA), genotypic and phenotypic associations, analysis of variance, and reduction percentage computation were all used in this investigation. Results showed that significant variability was present. Based on the performance, there were notable differences in the number of tillers, plant height, chlorophyll content, number of spikelets per plant, and thousand-grain weight. A significant positive link between grain yield, thousand-grain weight, and the number of grains per spike was found using correlation analysis. The five genotypes Out of 12 principal components (PCs), the first five PCs showed significant genetic variation under made based on these characteristics. According to the results, the highest performing germplasm under

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