. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. Black Rot, Leaf Spot, and Canker of Pomaceous Fruits 75 â =to^ walls. Color is lacking in young aerial threads, but as age increases a greenish yellow, then bluish green, brown, and finally dark brown, hue is assumed. In mass the mycelium ap- pears black. In cultures lacking potas- sium a violet tinge has been observed. The walls of the hyphag are relatively ex thick, and sometimes a decided double contour of the membrane is visible. The appearance of the cell contents. Please note tha
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. Black Rot, Leaf Spot, and Canker of Pomaceous Fruits 75 â =to^ walls. Color is lacking in young aerial threads, but as age increases a greenish yellow, then bluish green, brown, and finally dark brown, hue is assumed. In mass the mycelium ap- pears black. In cultures lacking potas- sium a violet tinge has been observed. The walls of the hyphag are relatively ex thick, and sometimes a decided double contour of the membrane is visible. The appearance of the cell contents. 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 Hesler, L. R. (Lexemuel Ray). Ithaca, N. Y. : Cornell University
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectblackro, bookyear1916
