comparison of four methods of selection for the improvement of grain yield in winter by spring wheat crosses (Triticum aestivum, L. em Thell)
By: by Guillermo Oritiz Ferrara.
Published: 1981
Language: eng
Number of pages: 76
Subjects: Wheat.; Crop yields.
Notes: Typescript (photocopy).

Thesis (Ph. D.)--Oregon State University, 1981.

Bibliography: leaves 65-73.