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Photograph of cotton bolls harvested from individual plants of plant line 24 (AtHSP101 plus) and plant line 39 (AtHSP101 minus) that were grown in a greenhouse with a 43°C/28°C day/night temperature regime. Paired plants (line 24 and 39) were randomly distributed throughout the greenhouse because of a measured uneven temperature distribution (set point ± 3°C) during the winter months.
