Charles F. Speers

6 publications by Charles F. Speers:

Pine Seed Chalcid Transcontinental in Range

Publication: Tree Planters' Notes - Volume 25, Number 2 (1974)
More Details

Eraser fir seed storage and germination-some new data

Publication: Tree Planters' Notes - Volume 25, Number 3 (1974)
More Details

Megastigmus Specularis Walley Infests fir Seed from Canada to North Carolina

Publication: Tree Planters' Notes - Volume 20, Number 2 (1969)
More Details

Balsam Fir Chalcid Causes Loss of Fraser Fir Seed

Publication: Tree Planters' Notes - Volume 19, Number 2 (1968)
More Details

Insect Infestation Distorts Fraser Fir Seed Tests

Publication: Tree Planters' Notes - Volume 18, Number 1 (1967)
More Details

Fraser Fir Seed Collection, Stratification, and Germination

Publication: Tree Planters' Notes - Issue 53 (1962)
More Details