Present address: Univ. of Fla., Inst, of Food and Agr. Sci., Trop. Res. and Educ. Center, 18905 SW 280th St., Homestead, FL 33031.
Gr stocks used were 4th backcross isogenic lines using Rutgers as the recurrent parent.
Received for publication 30 Jan. 1984. Purdue Agr. Expt. Sta. Journal No. 9779. This research represents a portion of a thesis submitted by the senior author in partial fulfillment of the requirements for the PhD degree. 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.