. Journal of Agricultural Research. Journal of Agricultural Research Washington, D. C. Origin and Control of Apple-Blotch Cankers Plate 2. Journal of Agricultural Research Washington, D. C. / 5 PLATE a A.—^Apple-blotch cankers on a budded seedling below the inserted bud. B.—Cankers on a budded seedling, above and below the inserted bud. C.—Cankers on a nursery tree above and below juncture of stock and scion. PLATE 3 A.—-Encircling type of apple-blotch canker on Oldenburg at a node. B.—Canker excision. Canker shown in A, cut out with a sharp knife. The cut isnot deep enough to injure the cambi
. Journal of Agricultural Research. Journal of Agricultural Research Washington, D. C. Origin and Control of Apple-Blotch Cankers Plate 2. Journal of Agricultural Research Washington, D. C. / 5 PLATE a A.—^Apple-blotch cankers on a budded seedling below the inserted bud. B.—Cankers on a budded seedling, above and below the inserted bud. C.—Cankers on a nursery tree above and below juncture of stock and scion. PLATE 3 A.—-Encircling type of apple-blotch canker on Oldenburg at a node. B.—Canker excision. Canker shown in A, cut out with a sharp knife. The cut isnot deep enough to injure the cambium. C.—Results of canker excision in young Oldenburg tree. Cankers cut out in April,photographed in November. Wounds healed perfectly. Paraffin coating wasunnecessary. One canker was overlooked, as indicated by the fresh cut. Origin and Control of Apple-Blotch Cankers
Size: 1309px × 1909px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidjournalofagricul25assouof
