Interaction of Abscisic Acid and Light on Leaf Senescence in Rice |
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| Authors: | Rao K Mohan; Khan P A |
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| Institution: | Physiology and Biochemistry Section, Department of Botany Berhampur University, Berhampur 760007, India |
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| Abstract: | The senescence of excised leaves of Oryza saliva L. cv. BAM11 was studied by monitoring the breakdown of chlorophyll andprotein. ABA at 10–6 M retarded senescence until the 3rdday and accelerated it in a normal way until the 9th day inlight. The effect of ABA was light-dependent, which is beingreported for the first time in rice. ABA in the presence oflight (26.3 Klux) delayed protein breakdown but could not preventthe yellowing effect. (Received June 18, 1982; Accepted January 28, 1983) |
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