Patología vegetal /

by Walker, John Charles n. 1893, Walker, John Charles n. 1893
Published 1975

Plant pathology

by Walker, John Charles n. 1893, Walker, John Charles n. 1893
Published 1969

Diseases of vegetable crops

by Walker, John Charles n. 1893, Walker, John Charles n. 1893
Published 1952

Enfermedades de las hortalizas /

by Walker, John Charles n. 1893, Walker, John Charles n. 1893
Published 1959

Patología vegetal

by Walker, John Charles n. 1893, Walker, John Charles n. 1893
Published 1965

Patología vegetal /

by Walker, John Charles n. 1893, Walker, John Charles n. 1893
Published 1973

Plant pathology.

by Walker, John Charles n. 1893
Published 1957

Diseases of cabbage and related plants /

by Walker, John Charles n. 1893, Walker, John Charles n. 1893, Larson, R. H., Taylor, A.L.
Published 1958