THE FOLLOWING SELECTION HAS BEEN PRINTED WITH PERMISSION DATE: 07/02/92 Author: Title: Chapter 13, by P.E. Hildebrand Book: GENOTYPE BY ENVIRONMENT INTERACTION & PLANT BREEDING Volume: No: Pgs: 169-180 Copyright Year: 1990 Reprinted by Permission of: Louisiana State University Press THIS MATERIAL MAY NOT BE REPRODUCED IN ANY MANNER WITHOUT THE PERMISSION OF THE COPYRIGHT HOLDER