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Ten Years of Shortleaf Pine Seed Crops in Texas

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This paper presents examples of a forest type that seems safe, i.e., dant seeding in two of 10 years, almost none in the other six. Good crops coincided with reported seed years throughout much of the species range in Texas. Partial cuttings two to nine years before seedfall stimulated production on residual trees during seed years, but had no effect in other years. Production per tree was best where large-crowned trees were released. Seed quality was highest when crops were heaviest. On the average, 61 percent of the seeds were sound. Clearcut strips up to two chains wide received adequate seed from adjacent stands, but adequacy beyond three chains is problematical. Infrequency of seedfall and frequency of summer droughts suggest that natural regeneration in Texas shortleaf often needs to be supplemented by artificial means.

Document Type: Journal Article

Affiliations: Member of the Southern Forest Expt. Sta., Forest Service, U. Dept. Agric.

Publication date: 1963-04-01

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

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