HortScience · 1982 · 11 citations · 1 references
AgriculturePlant BiologyPlant SciencesCrop PhysiologyPhysiological EcologyVegetable ScienceAbiotic Stress EvaluationHeat Stress ToleranceTemperature PhysiologyTemperature ResponsesHeatHeat Stress In CropsHeat Tolerance In TomatoPhotosynthetic Heat TolerancePlant Heat Stress PhysiologyThermotolerance Trait Evaluation
Abstract Leaf heat tolerances of ‘Saladette’ (heat tolerant) and ‘UC-82B’ (less heat tolerant) tomato ( Lycopersicon esculentum , Mill) were evaluated after heat acclimation. When plants of both genotypes were grown in a temperature regime below 30°C, there was no difference in heat tolerance. When plants of both genotypes were exposed to a temperature regime of 35° (day/night), ‘UC-82B’ could reach a higher level of heat tolerance, similar to ‘Saladette,’ but ‘UC-82B’ required 6 cycles of high temperature exposure, whereas ‘Saladette’ needed only a single cycle.
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