September 10, 2025BMC Plant BiologyOpen Access

Early-stage identification of heat-tolerant cotton genotypes under simulated episodic heat stress in controlled conditions

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Heat stress significantly reduced shoot elongation, biomass accumulation, and relative water content in cotton.
Principal component analysis distinguished heat-tolerant from susceptible genotypes based on key traits.
A multi-trait genotype index identified top-performing cotton lines for improved climate resilience.
Findings suggest substantial genotypic variability in heat stress responses during early-stage cotton development.

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Assessment reveals morphological and physiological responses to heat stress in cotton genotypes, indicating opportunities for selection.

Ijaz et al. (2025) studied this question.

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