The PGR, ethylene, could fit either the groups-plant growth promoters and inhibitors but it is largely an 

Plant growth promoter is

Plant growth is/are promoted by

The PGR that could fit in both promotory and inhibitory groups but it is largely an inhibitor of growth activites is

Give an example of plant growth promoter.

Give an example of plant growth promoter.

Select the pair that consists of plant growth promoters only.

Select the pair that consists of plant growth promoters only.

Select the pair that consists of plant growth promoters only.

Chemically originated plant growth promoters are

A plant growth promoter got from fungi is______