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Science 17 June 1966:
Vol. 152. no. 3729, p. 1624
DOI: 10.1126/science.152.3729.1624
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Articles

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

Sushil S. Negi 1 and Harold P. Olmo 1

1 Department of Viticulture and Enology, University of California, Davis

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 beta-naphthoxyacetic acid, beta-indoleacetic acid, agr-naphthaleneacetic acid, and gibberellin A3 failed to modify the sex.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)