TY - GEN AU - Bose mark, N O AU - Hayward, M D TI - Plant Breeding : Principles and prospects SN - 0412433907 U1 - 631.51 HAY CY - London, Chapman & Hall KW - Vavilove concept/ Plant genetic resourses Interspecific hybridization / gene cloning/ GeneTechnology/ Apomixis/ Micropropagation/ Nuclear male sterility ER -