Question

Name a gaseous plant hormone regulating its growth and other physiological functions. Describe some of its commercial uses in agriculture nowadays​

Answer 1

hi. Hope you are fine.

Ethylene is one of the most widely used plant growth hormones in agriculture. But, due to its gaseous nature and high diffusion rate, ethylene cannot be administered to plants without confining them in closed chambers and it is very difficult to be applied in gaseous form in the field.

To induce fruit thinning (fruit drop) in cotton, cherry and walnut.

To inhibit terminal bud growth in some plants so their flowering stems are made more compact.

there may be more but i know only this much

Answer 2

It is  called ethylene