What plant structures does each of these plant hormones act on?
Auxins
Gibberellins
Auxins
Gibberellins
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Auxins are root promoting hormones synthesized in shoot tip and trans located to the downward direction. IAA, IBA are common auxins. 2,4-D is synthetic auxin when used in higher concentration acts as a weedicide. Mostly used to control Parthenium plants and other dicots.
Gibberellins are shoot elongating hormones mostly used to spray on grapes to get a food size and good distribution of the berries on the peduncle.
Gibberellins are shoot elongating hormones mostly used to spray on grapes to get a food size and good distribution of the berries on the peduncle.