The concentrations of the antioxidant and osmotic regulation systems in rice peaked after 7 days of LTS treatment, indicating that the stress response to LTS showed a trend of initially increasing and subsequently decreasing.
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Effects of low-temperature stress at different growth stages on rice physiology, pollen viability and yield in China's cold region.
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The sentences
Under LTS, with the decrease of temperature, G s showed a decreasing trend under all LTS treatments, and the decrease was most obvious at T3.
With the advance of stress time, the change of H 2 O 2 content showed an increasing trend, and reached the peak value at 10 days after T3 treatment, which showed an increase of 244.55%, 122.09%, and 137.03% at tillering, booting and heading stages, respectively, compared to the values under no stress conditions.