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Name two synthetic auxins. How are they ...

Name two synthetic auxins. How are they applied in agriculture ?

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The two synthetic auxins are-
(i) Indole-3-butyric acid (IBA) and
(ii) 2, 4-dichlorophenoxy acetic acid (2, 4-D). Indole-3-butyric acid is used to induce formation of roots on cuttings of many ornamental, horticultural and forest trees. 2, 4-D is used as weedicide.
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