SELECTION OF STABLE WHEAT GENOTYPES UNDER DIFFERENT AGRO-ECOLOGICAL ZONES OF PUNJAB, PAKISTAN

IF 1.6 Q3 PLANT SCIENCES Sabrao Journal of Breeding and Genetics Pub Date : 2023-08-31 DOI:10.54910/sabrao2023.55.4.3

M. Kashif

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Abstract

Wheat is a globally significant cereal crop crucial for ensuring food security. Plant breeders strive to enhance yield potential by developing optimized and stable genotypes. In Pakistan, an agricultural country facing food security challenges, annual multi-environment trials (MET)’s systematic conduct transpire across various research stations in Punjab province. Precise data analysis of these trials is paramount in strengthening the national agricultural research system. The primary objective of this study was to identify stable wheat genotypes by analyzing data from MET trials in 31 distinct environments within the Punjab province during 2020–2021. The study comprised 50 wheat genotypes laid out under an alpha lattice design. The collected data underwent an analysis based on additive main effects and multiplicative interaction (AMMI) in combination with other stability measures. The findings revealed that genotype G41 (HYT100-27) exhibited superior performance, ranking within the top five across all five stability measures. Likewise, G27 (TWS17042) and G22 (HYT100-100) genotypes have four stability measures recommending these. Notably, G1 (HYT100-74) demonstrated the highest average yield across all locations and gained support from two additional stability measures. Therefore, G41, G27, G22, and G1 emerged as the most stable and productive genotypes among all those studied. Regarding the environments, MLSI proved the most desirable, followed by RARL. Conversely, the ARFG and ARFK resulted as the least ideal environments.

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巴基斯坦旁遮普不同农业生态区小麦稳定基因型的选择

小麦是全球重要的谷物作物，对确保粮食安全至关重要。植物育种家努力通过开发优化和稳定的基因型来提高产量潜力。在巴基斯坦这个面临粮食安全挑战的农业国家，旁遮普省的各个研究站都在进行年度多环境试验。对这些试验的精确数据分析对于加强国家农业研究系统至关重要。本研究的主要目的是通过分析2020-2021年旁遮普省31个不同环境中MET试验的数据，确定稳定的小麦基因型。这项研究包括在阿尔法晶格设计下排列的50种小麦基因型。对收集的数据进行了基于加性主效应和乘法相互作用（AMMI）以及其他稳定性措施的分析。研究结果显示，基因型G41（HYT100-27）表现出优异的表现，在所有五项稳定性指标中均排名前五。同样，G27（TWS17042）和G22（HYT100-100）基因型有四种稳定性指标推荐使用。值得注意的是，G1（HYT100-74）在所有位置表现出最高的平均产量，并获得了两项额外稳定性措施的支持。因此，G41、G27、G22和G1是所有研究中最稳定和最高产的基因型。关于环境，MLSI被证明是最理想的，其次是RARL。相反，ARFG和ARFK是最不理想的环境。

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来源期刊

Sabrao Journal of Breeding and Genetics 农林科学-奶制品与动物科学

CiteScore

1.90

自引率

50.00%

发文量

期刊介绍： The SABRAO Journal of Breeding and Genetics is an international journal of plant breeding and genetics research and was first published in 1969. It is the official publication of the Society for the Advancement of Breeding Research in Asia and Oceania (SABRAO). Its objectives are to: promote the international exchange of research information on plant breeding and genetics, by describing new research findings, or ideas of a basic or practical nature; and be a medium for the exchange of ideas and news regarding members of the Society. The Journal gives priority to articles that are of direct relevance to plant breeders and with emphasis on the Asian region. Invited for publication are research articles, short communications, methods, reviews, commentaries, and opinion articles. Scientific contributions are refereed and edited to international standards. The journal publishes articles for SABRAO members mainly. The Journal preferred strongly that at least one author should be a current member of the Society. Non-members may also publish in the journal.