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Proceedings of the International Plant Propagator's Society

Vol. 46

Container Production of Oaks: A Successful Reality

Bill Hendricks

pp: 471-472

The production of oaks in the field can pose several problems, most of which begin with the liner. For many species the problem in the past has been availability. With others it has been an insufficient root system or coarse-rooted liners that fail to break uniformly if at all. Oaks are notoriously bad transplanters with frequent high losses due to slow root regeneration.

Conventional field whip production practices take up to 5 years to produce salable plants. In the first year, seeds are sown in fall or spring and seedlings are harvested at 1 or 2 years of age. These seedlings are then lined out in field rows for 1 or 2 more years and then cut back to 2 in. in height in spring to produce a vigorous young whip of 5 to 8 ft. This entire process takes 3 to 5 years to produce a 1-year whip. The resulting plant generally has a coarse root system with little to no fibrous roots and at best recovers slowly and in too many cases not at all. For example, root regeneration in red oak

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