Grain yield stability measurements under varied environmental conditions suggests selection of suitable genotype. Safflower genotypes having different origins were tested for G x E effects on yield using univariate and multivariate statistics in six test environments (three varied climate conditions and combination of years) during 2016-17 and 2017-18. Genotypes were classified as stable or unstable based on multiple stability measures. Comparative yield results reveals different genotypic grain yield response in each environment. High yield (1618.4 kg ha-1) performance and responsiveness of PI-16308 genotype to favorable environment and lowest 1419 kg ha-1 was observed for PI-26748. In lieu of varied climatic condition Env4 showed 37% extra grain yield compared to Env3. The PCA results placed Env1, Env3 and Env5 in one group for producing similar grain yield and rest of the environments showed highest variation. Results. Of parametric (S2di) and non-parametric (S(3), S...
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Journal Article|
May 05 2022
Determination of stable safflower genotypes in variable environments by parametric and non-parametric methods.
Mukhtar Ahmed, Department of Agronomy, PMAS-Arid Agriculture University, Rawalpindi, 46300, Pakistan. E-mail mukhtar.ahmed@slu.se
Journal: Journal of Agriculture and Food Research
Citation: Journal of Agriculture and Food Research (2022) 6
DOI: 10.1016/j.jafr.2021.100233
Published: 2021
Citation
Obaid Afzal, Fayyaz-Ul Hassan, Mukhtar Ahmed, Ghulam Shabbir, Shakeel Ahmed; Determination of stable safflower genotypes in variable environments by parametric and non-parametric methods.. IFIS Food and Health Sciences Database 2022; doi:
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