Rust resistance in winter-wheat varieties Melchers, L. E. (Leo Edward), 1887- creator Parker, John H. (John Huntington), 1891- contributor text book Washington, D.C U.S. Dept. of Agriculture 1922 1922
print
ENG Caption title. "May, 1922." Disease and pest resistance Rust diseases Varieties Wheat Bulletin of the U.S. Department of Agriculture, no. 1046 https://www.biodiversitylibrary.org/bibliography/108625 16656634890422 10.5962/bhl.title.108625 RQF