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Are there publications on heat stress in tomato with treatment temperatures below 32°C? 


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Publications have extensively studied heat stress in tomatoes, focusing on treatment temperatures both above and below 32°C. Research has shown that exposure to elevated temperatures, such as 37°C and heat waves at 45°C, significantly impacts tomato seed germination, root development, and overall plant physiology . Additionally, investigations into heat-tolerant tomato genotypes have identified candidate genes involved in responses to high temperatures, highlighting the importance of genetic factors in heat stress tolerance . Furthermore, studies on heat shock proteins in tomato fruits have emphasized the protective role of these proteins against heat stress, with implications for chilling injury resistance . Overall, these publications provide valuable insights into the effects of heat stress on tomatoes across a range of temperatures, contributing to our understanding of plant responses to varying thermal conditions.

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How heat stress application method in tomato experiment?5 answersHeat stress application methods in tomato experiments varied across the studies. In one study, tomato plants were sprayed with gibberellic acid (GA3) at concentrations of 25, 50, 75, and 100 mg L−1. Another study applied elementary sulfur through spraying at concentrations of 2, 4, 6, and 8 ppm. A third study subjected tomato plants to controlled high temperature treatments in a water bath, increasing the temperature systematically from 35 to 60°C. The fourth study evaluated the tolerance to heat stress by comparing the pollen growth and tube development in heat-treated and non-heat-stressed conditions. Lastly, a study exposed tomato plants to heat stress of 44°C for four hours in a growth chamber and assessed physiological parameters such as stomatal conductance, electrolyte leakage, and chlorophyll fluorescence. These studies employed different methods to apply heat stress and evaluate the response of tomato plants.
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