A Review. Techniques and Progress in Regenerating Southern Pines

Progress in developing techniques for natural and artificial regeneration of southern, pines has been significant in the past few decades. Seed orchards in the South now total 5,000 acres. In 10 years all nursery stock will be grown from genetically-improved seed. Further advances will be the planting of tube-grown seedlings. In this method, seed is sown in plastic or cardboard tubes containing soil, and the seedlings– still in their individual containers–are planted when they are several months old. Potential advantages include greater production from limited supplies of improved seed than by nursery sewing, extension of the planting season, and better success on adverse sites than by planting bare-rooted stock from nurseries.

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