Abstract
Diamine oxidase present in the cotyledons of germinating pea seeds is induced by putrescine, spermidine and ornithine. Auxins inhibit enzyme synthesis in cotyledons only in the presence of embryo. Cycloheximide inhibits the synthesis of the cotyledon enzyme but has no effect on the embryo enzyme. 5-Fluorouracil inhibits the synthesis of both cotyledon and embryo enzymes.
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