Home Authors Henry D. Gerhold

Henry D. Gerhold

21 publications by Henry D. Gerhold:

Publication Seasonal Yellowing of Scotch Pine - Its Implications For The Genetic Improvement of Christmas Trees
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1959
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Publication Testing White Pines for Weevil Resistance
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1961
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Publication Development of Seed Orchards and Seed Production Areas at the Pennsylvania State University
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1964
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Publication Growth and Winter Injury of Douglas Fir in a Three-Year Provenance Demonstration
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1965
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Publication Weevil Attacks on Caged Seedlings of Three White Pine Species
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1966
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Publication Genetic Improvement of Black Cherry for Timber: A Literature Review
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1967
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Publication Prospects for Breeding Ornamental Scotch Pines Resistant to Air Pollutants
Publication: Tree Improvement and Genetics - Central States Forest Tree Improvement Conference - 1968
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Publication New Trends in Breeding Trees for Disease and Insect Resistance
Publication: Tree Improvement and Genetics - Southern Forest Tree Improvement Conference - 1967
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Publication The Pennsylvan Tree Improvement Program
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1969
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Publication Selection System for Evaluating Resistance of Scotch Pine Seedlings to Ozone and Sulfur Dioxide
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1971
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Publication Genetic Evaluation of Two-Year Height of Scotch Pine Seedlings
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1974
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Publication Genetic Variation in Red Maple Rootstocks
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1975
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Publication Experimental Designs for Comparing Landscape Tree Cultivars Under City Conditions
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1978
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Publication Genetic Advances Among Pines of the Northeast
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1981
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Publication Genotype-Environment Interactions in Progeny Test of Black Cherry Plus Trees
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1982
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Publication Rooting of Stem Cuttings from 12-14-Year-Old Scotch Pine Ortets
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1985
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Publication Microcomputer Storage and Retrieval of Tree Improvement Records
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1985
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Publication Selection Efficacy in Young Black Cherry Progeny Tests
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1987
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Publication Genetic Structure of Northern Red Oak: Implications For Breeding and Silviculture
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1989
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Publication Selection for Precocious Flowering in Pinus Sylvestris
Publication: Tree Improvement and Genetics - Lake States Forest Tree Improvement Conference - 1965
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Publication Genetic Structure of Northern Red Oak: Implications For Breeding and Silviculture
Publication: Tree Improvement and Genetics - North Central Tree Improvement Conference - 1989
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