. Biology of rust resistance in forest trees : proceedings of a NATO-IUFRO advanced study institute, August 17-24, 1969. Trees; Pine; Trees; Rust diseases. SUoMttdH Figure 6. A. Thirty-eight->ear-old Pinus armandii at Westtown Pennsylvania. B. Pinus eembva at Mt. Auburn, Massachusetts (photo courtesy of Arnold Arboretum). C. Forty-seven-year-old Pinus parvi flora (probably var. pentaphylla) at Westtown, Pennsylvania. D. Fifty-three-year-old P. parviflora (probably var. himekomatsu) at Wcoster, Please note that these images are extracted from scanned page images that may have been dig
. Biology of rust resistance in forest trees : proceedings of a NATO-IUFRO advanced study institute, August 17-24, 1969. Trees; Pine; Trees; Rust diseases. SUoMttdH Figure 6. A. Thirty-eight->ear-old Pinus armandii at Westtown Pennsylvania. B. Pinus eembva at Mt. Auburn, Massachusetts (photo courtesy of Arnold Arboretum). C. Forty-seven-year-old Pinus parvi flora (probably var. pentaphylla) at Westtown, Pennsylvania. D. Fifty-three-year-old P. parviflora (probably var. himekomatsu) at Wcoster, 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 North Atlantic Treaty Organization; International Union of Forestry Research Organizations; United States. Forest Service; University of Idaho. Washington, D. C. : Forest Service
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Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
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Keywords: ., bookauthoruni, bookcentury1900, booksubjectpine, booksubjecttrees
