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. 1969 Apr;44(4):605-8.
doi: 10.1104/pp.44.4.605.

Chilling injury and changes in adenosine triphosphate of cotton seedlings

J M Stewart  1 , G Guinn
Affiliations

Chilling injury and changes in adenosine triphosphate of cotton seedlings

J M Stewart et al. Plant Physiol. 1969 Apr.

Abstract

Young Gossypium hirsutum L. seedlings chilled at 5 degrees showed a continual decrease in ATP concentration with time of chilling. Chilled plants returned to optimum conditions were able to restore the initial ATP concentration when chilled only 1 day, but not when chilled 2 days. The decrease in ATP with chilling was prevented by hardening the seedlings at 15 degrees for 2 days (14-hr-day-length) immediately before chilling. The ATP level of hardened plants was higher than of unhardened plants. When hardened plants were chilled at 5 degrees , the ATP level increased in the leaves but decreased in the roots.A mechanism of chilling injury is discussed in relation to the decrease in ATP concentration at low temperature.

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References

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