Quarantine procedure to safeguard the introduction of citrus plants
Subtitle: a system of aseptic plant propagation
By: Walter T. Swingle, T. Ralph Robinson and Eugene May, Jr
Contributors: Robinson, T. Ralph (Thomas Ralph), 1876-; May, Eugene
Series: Department circular / United States Department of Agriculture -- 299; Department circular (United States. Dept. of Agriculture) -- 299.
Publisher: U.S. Dept. of Agriculture
Published: 1924
Place of publication: Washington, D.C
Language: eng
Number of pages: 15
Subjects: Plant quarantine; Citrus fruits; Propagation
Notes: Includes bibliographical references.