Received for publication 9 Mar. 1987. Agricultural Experiment Station Journal Series 8017. We thank Ted Winsberg, an innovative commercial grower in Boynton Beach, Fla., who shared his idea of the gel mix seeding concept, and for his financial and technical support that made this research possible. Mention of proprietary products is for convenience of reader only and does not constitute endorsement by the Univ. of Florida. 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.