A knot of citrus trees caused by Sphaeropsis tumefaciens
By: by Florence Hedges ... and L.S. Tenny ...
Contributors: Tenny, L. S.
Series: Bulletin / U.S. Dept. of Agriculture. Bureau of Plant Industry -- no. 247; Bulletin (United States. Bureau of Plant Industry) -- no. 247.
Publisher: G.P.O.
Published: 1912
Place of publication: Washington
Language: eng
Number of pages: 74
Subjects: Citrus; Diseases and pests; Sphaeropsis
Notes: Includes index.