farnesoic acid O-methyltransferase activity
farnesoic acid o-methyltransferase activity
Catalysis of the reaction: (2E,6E)-farnesoate + S-adenosyl-L-methionine = methyl (2E,6E)-farnesoate + S-adenosyl-L-homocysteine. Also converts juvenile hormone III carboxylate into juvenile hormone-III.