Both auxins and cytokinins play crucial roles in legume nodule formation. Auxins, often synthesized in root tips, are involved in initiating cell division and promoting the formation of root hair structures and infection threads, which are early steps in nodule development triggered by symbiotic bacteria (Rhizobia).
Hormone secreted in root tip during the formation of nodule is
Asked in TNPSC CS Prelims 2017 · Topic: Plant Hormones (Auxins: Biosynthesis, Transport, and Physiological Effects)
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