Principles of cultivar development /
Principles of cultivar development /
Walter R. Fehr ; with the assistance of Elinor L. Fehr and Holly J. Jessen.
- New York : Macmillan , c1987.
- 2 v. : ill. ; 25 cm.
v. 1. Theory and technique -- v. 2. Crop species.
0029499208 (v. 1) 0029491819 (v. 2)
Plant-breeding.
Field crops--Breeding.
Field crops--Varieties.
SB123 / .P725 1987
v. 1. Theory and technique -- v. 2. Crop species.
0029499208 (v. 1) 0029491819 (v. 2)
Plant-breeding.
Field crops--Breeding.
Field crops--Varieties.
SB123 / .P725 1987