. The conference called by the governor of Pennsylvania to consider ways and means for preventing the spread of the chestnut tree bark disease. : The Capitol, chamber of the House of Representatives, Harrisburg, Pennsylvania, February 20 and 21, 1912. Stenographic report of proceedings of the conference. Chestnut blight. No. S. A large area of disease pustules on a smooth-barked orchard (jraijJi by Prof. Collins. -Photo-. No. 9. x>^. ^. Bark removed from over a canker, showing the cracks at the centre and the fan-shaped spread of the yellowish fungous mycelium; also, at the lower edg
. The conference called by the governor of Pennsylvania to consider ways and means for preventing the spread of the chestnut tree bark disease. : The Capitol, chamber of the House of Representatives, Harrisburg, Pennsylvania, February 20 and 21, 1912. Stenographic report of proceedings of the conference. Chestnut blight. No. S. A large area of disease pustules on a smooth-barked orchard (jraijJi by Prof. Collins. -Photo-. No. 9. x>^. ^. Bark removed from over a canker, showing the cracks at the centre and the fan-shaped spread of the yellowish fungous mycelium; also, at the lower edge, the circular margin of the disease.—Pliotograpli hy Prof. 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 Pennsylvania Chestnut Blight Conference (1912 : Harrisburg); Pearson, Raymond A. (Raymond Allen), 1873-1939; Pennsylvania. Chestnut Tree Blight Commission. Harrisburg, : C. E. Aughinbaugh, printer to the State of Pennsylvania
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Keywords: ., bookauthorpennsylv, bookcentury1900, bookdecade1910, bookyear1912
