What question did this study set out to answer?

The study aims to identify heat-tolerant wheat genotypes and their associated morphological traits under terminal heat stress.

July 23, 2026Cureus Journal of Agriculture and Food ScienceOpen Access

Trait-Based Evaluation of Bread Wheat Genotypes (Triticum aestivum L. em. Thell) Under Terminal Heat Stress

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The study aims to identify heat-tolerant wheat genotypes and their associated morphological traits under terminal heat stress.
Evaluated 50 diverse wheat genotypes over two Rabi seasons (2020-22) under timely sown and late-sown conditions.
Used principal component analysis and multiple regression analysis to assess trait contributions and correlations to yield.
Applied a multi-trait genotype-ideotype distance index to select superior genotypes for improved thermotolerance.
Grain yield positively correlated with harvest index, biological yield, and effective tillers per meter.
Biological yield, grain yield, flag leaf length, and effective tillers explained most variability under heat stress (R² = 0.815 for TS and 0.685 for HS).
Genotypes G2, G3, G9, G22, G35, and G37 were identified as superior performers with enhanced heat tolerance.

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Implication

Randomized trial identifies heat-tolerant wheat genotypes and key traits linked to productivity under stress, suggesting pathways to enhance resilience.

Cite This Study

Pati et al. (2026) studied this question.

synapsesocial.com/papers/6a61af8bfaa9903c5116a504 https://doi.org/10.7759/s44497-025-00082-5

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Implication

Randomized trial identifies heat-tolerant wheat genotypes and key traits linked to productivity under stress, suggesting pathways to enhance resilience.

Trait-Based Evaluation of Bread Wheat Genotypes (Triticum aestivum L. em. Thell) Under Terminal Heat Stress

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Discussion

Implication

Cite This Study

Trait-Based Evaluation of Bread Wheat Genotypes (Triticum aestivum L. em. Thell) Under Terminal Heat Stress

Key Points

Discussion

Implication

Cite This Study

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