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Some Aspects of Flower and Cone Production in Ponderosa Pine

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Abstract:

Observations on the development of ponderosa pine seed from flower to mature cone have been made over a period of nine years. Various climatic factors have been measured and related to flower and cone production. Supplemental studies on growth and mortality of cones were made and the effects of cones growing in a cluster on growth and seed production were determined. The results of these studies and conclusions drawn from them are presented in this article.

Document Type: Journal Article

Affiliations: U. S. Forest Service

Publication date: June 1, 1941

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.

    2015 Impact Factor: 1.476
    Ranking: 22 of 66 in forestry

    Also published by SAF:
    Forest Science
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