Which plant growth regulator is responsible f | vedclass

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(A) The triple response is a classic physiological effect observed in plants,primarily in pea seedlings,when exposed to ethylene gas.This phenomenon w

Vedclass · Accepted Answer

$C_{2}H_{4}$

Vedclass · Answer

(A) The triple response is a classic physiological effect observed in plants,primarily in pea seedlings,when exposed to ethylene gas.This phenomenon was first described by the Russian physiologist Dimitry $N$. Neljubow.The three components of the triple response are:$(a)$ Inhibition of stem elongation.$(b)$ Increased stem thickening (swelling).$(c)$ Horizontal growth habit (diageotropism) of the stem.Since $C_{2}H_{4}$ (ethylene) is the hormone responsible for these effects,the correct option is $A$.

Which plant growth regulator is responsible for the triple response?

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