Biodiversity Heritage Library

By: Hedgcock, George G. (George Grant),

Edition:

Publication info: Washington, G.P.O, 1910

Volume: no.186 (1910)

Series:

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects: Apples  Crown-gall disease  Diseases and pests  Hairy-root disease  

BHL Collections: