. The blight canker of apple trees ... Apples. The Blight C anker of Apple Trees 17 fection court must be of such a nature that it will not dry out quickly. An abundance of moisture is known to be necessary to the rapid growth and development of the blight organism. This peculiarity accounts for the ease with which growing shoots. PlG. 14—Crotch cankers, Wausau Orchard. Treated July, 1906, but work not thoroughly done. Note the can- ker extending on central branch. The branch on right i-~ also affected for several inches. Photo, July 1907. are affected. Where the diseased tissue of an active c
. The blight canker of apple trees ... Apples. The Blight C anker of Apple Trees 17 fection court must be of such a nature that it will not dry out quickly. An abundance of moisture is known to be necessary to the rapid growth and development of the blight organism. This peculiarity accounts for the ease with which growing shoots. PlG. 14—Crotch cankers, Wausau Orchard. Treated July, 1906, but work not thoroughly done. Note the can- ker extending on central branch. The branch on right i-~ also affected for several inches. Photo, July 1907. are affected. Where the diseased tissue of an active canker was at once cut out and the wound exposed to the drying heat of the sun without any other treatment, the canker ceased to spread and the place healed Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original [Whetzel, Herbert Hice], 1877- [from old catalog]. Madison, Wis.
Size: 1372px × 1822px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectapples, bookyear1907
