Movement of (RS)-Abscisic Acid in the Cotton Explant.
The movement of abscisic acid in the cotton explant was investigated by bioassay and radioisotope techniques. The rate of movement was 20 to 30 millimeters per hour with most of the abscisic acid moving unchanged through the explant into the basal agar. The rate of movement was the same through the abscission zone as through petiole tissue. Patterns of accumulation and metabolic products are discussed.
Ingersoll
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Department of Vegetable Crops, University of California, Riverside, California 92502.
Smith
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