. "Catalysis of the reaction: farnesoic acid + S-adenosyl-methionine = methyl farnesoate + S-adenosyl-L-homocysteine." . . . "farnesoic acid O-methyltransferase activity" . "S-adenosyl-methionine:farnesoic acid O-methyltransferase activity" . . . . . . . . . . . . . . . . .