Some stem tumors or knots on apple and quince trees
By: by George G. Hedgcock
Contributors: United States. Bureau of Plant Industry
Series: Circular / United States, Bureau of Plant Industry -- no. 3; Circular (United States. Bureau of Plant Industry) -- no. 3.
Publisher: U.S. Dept. of Agriculture, Bureau of Plant Industry
Published: 1908
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Subjects: Apples; Diseases and pests; Quince; Plant Tumors
Notes: Cover title.

"Issued May 11, 1908."