Benomyl Applied to Roots Improves Second-Year Survival and Growth of Shortleaf Pine

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Abstract:

Benomyl added to a clay-slurry root dip at a low concentration (0.5 % a.i.) increased second-year survival and growth of shortleaf pine (Pinus echinata Mill.) seedlings. The increase was greatest for stored seedlings lifted before December and after January, but results indicated that unstored seedlings and those lifted at the optimum time can benefit from benomyl. Planting seedlings in partially frozen soil did not seriously reduce performance. Seedlings that showed very low root growth potential due to root damage caused by lifting from frozen soil performed well when planted under favorable field conditions. Further study is needed to determine whether the beneficial effect of benomyl is due to: (1) suppression of pathogenic fungi in storage, (2) encouragement of mycorrhizae fungi, or (3) a cytokinin-like effect. Knowledge of the mode of action of benomyl will provide for development of techniques to insure the maximum benefit by using it appropriately. South. J. Appl. For. 19(1):36-41.

Document Type: Journal Article

Affiliations: Department of Forestry, Oklahoma State University, Stillwater, OK 74078

Publication date: February 1, 1995

More about this publication?
  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Southern Journal of Applied Forestry covers an area from Virginia and Kentucky south to as far west as Oklahoma and east Texas.
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