Some stem tumors or knots on apple and quince trees
Contributors: Hedgcock, George G. 1863-1946.
Series: Plant Industry Bur. Circ. No. 3; Plant Industry Bur. Doc. No. 349
Publisher: U.S. G.P.O.
Published: 1908
Place of publication: [Washington, D.C.]
Format: Microform
Subjects: Apples.