17th Northeastern Forest Tree Improvement Conference (1971)
Pennsylvania State University. University Park, Pennsylvania. August 4-6, 1969.
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Performance of Fifty-Five Seedlots of Scotch Pine at Two Locations in New York
L.S. Hamilton, C.E. Heit, E.J. Eliason, and D. Carlson Details |
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Multiple Witches Broom- A New Type of Abnormality in Scotch Pine (Pinus Sylvestrius)
Franklin C. Cech, Robert E. Adams, Allan Miller Details |
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The Effect of Lammas Shoot Growth on the Stem Form of Young Scotch Pine
Richard F. West and Robert F. Rogers Details |
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Pitch Pine: A Literature Review
John H. Fryer and F. Thomas Ledig Details |
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Studies With Douglas-Fir Seed and Exotic Conifers for Christmas Tree Production
C.E. Heit Details |
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The Pennsylvan Tree Improvement Program
Edgar H. Palpant and Henry D. Gerhold Details |
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Phenotypic Variation in Sugar Maple in Relation to Altitude
F. Thomas Ledig Details |
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Shade Tree Improvement Research: Goals and Limitations
Frank S. Santamour, Jr. Details |
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Technique of Producing Silver Maple Seed Under Greenhouse Conditions
H.C. Larsson Details |
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