Question

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Function of IAA

Answer 1

IAA is often used in horticulture to promote adventitious root growth and are used commercially to create root stem cuttings and to promote uniform fruit and flowering growth.

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Answer 2

Answer :

•  The root nodules of Cajanus cajan L. contain more IAA than non-nodulated root.

•  The symbiont isolated from nodules was identified as Rhizobium sp. by 16S rDNA sequence analysis.

•  The symbiont produced significant amount of IAA (142.5 µg/ml) in culture.

•  The presence of IAA catabolising enzyme in nodule, root and ACC deaminase activity of its symbiont.

•  IAA metabolizing enzymes have some significant role in metabolism of IAA in roots and nodules