Plant and Cell Physiology, 1981, Vol. 22, No. 5 789-796
© 1981
Article |
Malformin negates the Inhibition of Ethrel-induced Leaf Abscission by AgNO3
Department of Botany and Plant Pathology, Purdue University West Lafayette, Indiana 47907, U.S.A.
In light, malformin completely abolished the ability of Ag+ to inhibit Ethrel-induced leaf abscission from cuttings of Vigna radiata, even though Ag+ was applied 24 hr before malformin. Malformin itself did not induce abscission in the light. However, Ag+ was active on cuttings which had been pre-treated with malformin for 2 days in the light. No evidence was obtained to suggest reaction between malformin and Ag+. In the dark, Ag+ had no effect on stimulation of leaf abscission by malformin.
(Received March 7, 1981; Accepted May 12, 1981)
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