Foreign plant diseases. A manual of economic plant diseases which are new to or not widely distributed in the United States.
Stevenson, John A. 1890-1979.
Foreign plant diseases. A manual of economic plant diseases which are new to or not widely distributed in the United States. Prepared by John A. Stevenson. - Washington, Govt. Print. Off., 1926. - viii, 198 p. 23 cm.
At head of title: U. S. Dept. of Agriculture. Office of the Secretary. Contribution from the Federal Horticultural Board ... in collaboration with the Bureau of Plant Industry ...
agr26000419
Plant diseases.
SB601 / .S7
Foreign plant diseases. A manual of economic plant diseases which are new to or not widely distributed in the United States. Prepared by John A. Stevenson. - Washington, Govt. Print. Off., 1926. - viii, 198 p. 23 cm.
At head of title: U. S. Dept. of Agriculture. Office of the Secretary. Contribution from the Federal Horticultural Board ... in collaboration with the Bureau of Plant Industry ...
agr26000419
Plant diseases.
SB601 / .S7