Charles F. Speers
6 publications by Charles F. Speers:
- Pine Seed Chalcid Transcontinental in Range
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Publication: Tree Planters' Notes - Volume 25, Number 2 (1974)
More Details - Eraser fir seed storage and germination-some new data
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Publication: Tree Planters' Notes - Volume 25, Number 3 (1974)
More Details - Megastigmus Specularis Walley Infests fir Seed from Canada to North Carolina
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Publication: Tree Planters' Notes - Volume 20, Number 2 (1969)
More Details - Balsam Fir Chalcid Causes Loss of Fraser Fir Seed
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Publication: Tree Planters' Notes - Volume 19, Number 2 (1968)
More Details - Insect Infestation Distorts Fraser Fir Seed Tests
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Publication: Tree Planters' Notes - Volume 18, Number 1 (1967)
More Details - Fraser Fir Seed Collection, Stratification, and Germination
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Publication: Tree Planters' Notes - Issue 53 (1962)
More Details