9th Central States Forest Tree Improvement Conference (1974)
Proceedings of the 9th Central States Forest Tree Improvement Conference held in Ames, Iowa on October 10-11, 1974.
- Diversity--The Only Assurance Against Genetic Vulnerability to Disease in Major Crops
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- Recent Progress in the Breeding and Selection of Elms
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- Implications of Genetic Variation in Host Resistance to Air Pollutants
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- Differences in Cell-Wall Chemical Composition Among Eighteen Three-Year-Old Populus Hybrid Clones
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- The Efficacy of Early or Indirect Truncated Selection
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- A Comparison of Field and Growth Chamber Productivity of Three Poplar Clones
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- Inbreeding Depression in Eastern White Pine
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- Provenance and Growth Studies of Basswood
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- A Scots Pine Clonal Seed Orchard of Provenance Origin
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- A Progeny Test of Ottawa Valley Jack Pine--6-Year Results
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- Jack Pine Provenance Study in Eastern Nebraska
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- Variation in Growth Rate and Time of Flowering and Foliation of Eastern Cottonwood
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- Foliar Nitrogen and Potassium Variation in Cottonwood as Affected by Genetic and Site Factors
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- Genetic Gain for Five Traits in Black Walnut
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- Black Walnut in Central Kentucky: Growth and Development of Half-Sib Families Under Artificial Shade
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- Differences in Applied Auxin Transport and Metabolism Related to Rooting of Black Walnut Cuttings
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- Drought Hardiness in Black Walnut
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- White Pines From the Southern Appalachians
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- Fifteen-Year Performance of Eastern White Pine Seed Source Tests in the Lower Ohio Valley
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- Genetic Improvement of Pecan for Wood Production
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- North Dakota's Tree and Shrub Seed Certification Program
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- Minutes of the 9th North Central Forest Tree Improvement Business Meeting, October 10, 1974
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- Acknowledgement
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- Attendance, 9th CSFTIC
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