Paper Details


Response of bread wheat genotypes to cell membrane injury, proline and canopy temperature

Munir Ahmad, Adeel Khan, Ghulam Shabbir, M. Kausar Nawaz Shah, Zahid Akram and M. Tanveer

Genetic diversity for physiological traits is imperative in reducing genetic vulnerability and improve the plant species against stressed environments. The present study was designed to assess genetic divergence for some physiological and yield related traits among thirty wheat cultivars. Data were collected for cell membrane injury, proline content, flag leaf area, canopy temperature, spike length, spikelets per spike-1, plant height, grains per spike-1, 1000-grains weight, and yield plant-1. Principal component analysis depicted that five components were responsible for 74.54% variability. Traits that contributed greatest diversity in grain yield followed by flag leaf area and cell membrane injury. Correlation study revealed that direct selection for spikelets spike-1, 1000-grain weight, grains per spike-1 and spike length can contribute towards grain yield. The dendrogram constructed through simple sequence repeats markers categorized 30 wheat cultivars into three clusters based on their similarity. Simple sequence repeats markers were found suitable for characterization and discrimination of wheat cultivars for genetic diversity which would be useful in further breeding programs

To Cite this article: Ahmad, M., A. Khan, G. Shabbir, M.K.N. Shah, Z. Akram and M. Tanveer. 2019. Response of bread wheat genotypes to cell membrane injury, proline and canopy temperature. Pak. J. Bot., 51(5): DOI:

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