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- n. A growth promoting hormone, 3-indoleacetic acid, occurring in some plants.
Sorry, no etymologies found.
Dr. Link had found a plant hormone called heteroauxin, previously found elsewhere, in the nodules of red kidney beans.
Dr. Link succeeded in inducing galls by application of heteroauxin, keeping the bacterium away from the scene of operation.
Activation genetic influence natural mutagens heteroauxin