The Relation Between Abscisic Acid, Gibberellic Acid and Semilet halTemperature of Gardenia Jasminoides Ellis Leaves as Temperature Fell
The changes of the semilethal temperature and Abscisic acid,Gibberellic acid in Gardenia jasminoides Ellis leaves as temperature fell wore investigated. The res ults showed that with temperature decreased, levels of endogenous hormone change d obviously,such as the increase of the content of Abscisic acid,and the decreas e of Gibberellic acid. E specially the change of Abscisic acid/Gibberellic acid was worthy of much attent ion,for the close correl ation betwwn the ratio and semilethal temperature(R=-0.992 0). So we consid ered that blending and balance of hormone were much more critical than single ho rmone in low temperature acclimation.
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