Studies upon the blackleg disease of the potato with special reference to the relationship of the causal organisms This book, "Studies upon the blackleg disease of the potato", by Warner Jackson Morse, is a replication of a book originally published before 1917. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.