Sex Conversion in a Male Vitis vinifera L. by a Kinin

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Science  17 Jun 1966:
Vol. 152, Issue 3729, pp. 1624
DOI: 10.1126/science.152.3729.1624


A synthetic (reputed) kinin, SD 8339, at 1000 parts per million in alcohol solution, applied to flower clusters of a male grapevine about 3 weeks before anthesis, completely converted the flower sex from male to hermaphrodite. Indolebutyric acid, 2,3,5-triiodobenzoic acid, 2-chloroethyltrimethylammonium chloride β-naphthoxyacetic acid, β-indoleacetic acid, α-naphthaleneacetic acid, and gibberellin A3 failed to modify the sex.