“Of nine plant growth regulators (indoleacetic acid, 1-… acid, giberellin 4/7, 6-benzylaminopurine, 6-furfurylaminopurine , abscisic acid, and 1-aminocyclopropane carboxylic acid) tested, only 6-benzylaminopurine and abscisic acid affected (… unloading from excised seed coats of Phaseolus vulgaris L. Unloading, in the presence of KCl , was stimulated … 40%.”