Definitions for "Plant growth regulator"
Keywords:  pgr, phytotoxic, pix, senescence, prep
Naturally occurring or synthetic substance which influences plant development or reproduction but has no nutritive value.
A substance applied to cotton plants which affects growth or senescence (e.g., Pix and Prep); abbreviated PGR.
See Growth Regulator.
A chemical used to inhibit peduncle elongation and increase lodging resistance.