Henry D. Gerhold

21 publications by Henry D. Gerhold:

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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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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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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Genetic Variation in Red Maple Rootstocks

Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1975
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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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Genetic Advances Among Pines of the Northeast

Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1981
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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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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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Microcomputer Storage and Retrieval of Tree Improvement Records

Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1985
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Selection Efficacy in Young Black Cherry Progeny Tests

Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1987
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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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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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Testing White Pines for Weevil Resistance

Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1961
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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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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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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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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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The Pennsylvan Tree Improvement Program

Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1969
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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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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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Selection for Precocious Flowering in Pinus Sylvestris

Publication: Tree Improvement and Genetics - Lake States Forest Tree Improvement Conference - 1965
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