Naphthalene acetic acid (NAA) yog ib qho hluavtaws cog kev loj hlob regulator teej tug mus rau chav kawm naphthalene ntawm cov tebchaw. Nws yog xim dawb crystalline khoom, soluble hauv dej thiab organic solvents. Naphthalene acetic acid (NAA) yog siv dav hauv kev tswj hwm kev loj hlob ntawm cov nroj tsuag, tshwj xeeb tshaj yog ua lub luag haujlwm tseem ceeb hauv kev loj hlob thiab kev loj hlob ntawm tsob ntoo txiv ntoo, zaub thiab paj.

Chlormequat chloride (CCC) yog ib qho antagonist ntawm gibberellins.Nws lub luag haujlwm tseem ceeb yog inhibit biosynthesis ntawm gibberellins.Nws tuaj yeem inhibit cell elongation tsis cuam tshuam rau cell division, inhibit qhov kev loj hlob ntawm stems thiab nplooj tsis cuam tshuam rau kev loj hlob ntawm kev sib deev hauv nruab nrog cev, yog li ua tiav kev tswj hwm. ntawm elongation, tiv taus chaw thiab nce yield.

Gibberellic acid (GA3) tuaj yeem txhawb cov noob germination, cog kev loj hlob, thiab thaum ntxov flowering thiab fruiting. Nws yog dav siv nyob rau hauv ntau yam zaub mov qoob loo, thiab yog txawm ntau lug siv nyob rau hauv zaub.Nws muaj ib tug tseem ceeb nce qib ntawm cov khoom thiab zoo ntawm cov qoob loo thiab zaub.