Received for publication 26 Dec. 1984. This is J. Ser. 2941 of the Hawaii Inst, of Tropical Agr. and Human Res., Honolulu, HI 96822. The author thanks Roland Wong and Theodore Goo for their helpful discussion and assistance in the planting and harvesting of the crop. Also, thanks are due to the staff of the Waimanalo Expt. Sta., Hawaii Inst, of Tropical Agr. and Human Res. for their help in the maintenance of the test plot. The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper therefore must be hereby marked advertisement solely to indicate this fact.