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. 1963 Dec 20;142(3599):1592-3.
doi: 10.1126/science.142.3599.1592.

Abscisin II, an Abscission-Accelerating Substance from Young Cotton Fruit

K Ohkuma, J L Lyon, F T Addicott, O E Smith

Abscisin II, an Abscission-Accelerating Substance from Young Cotton Fruit

K Ohkuma et al. Science. .

Abstract

Crystalline abscisin II, with a tentative molecular formula of C(15)H(20)O(4), has been isolated from young cotton fruit. It accelerates abscission when applied in amounts as low as 0.01 microg per abscission zone. It inhibits indoleacetic acid-induced straight growth of Avena coleoptiles but has no gibberellin activity on dwarf maize.

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