Delineation of Fusiform Rust Hazard Based on Estimated Volume Loss as a Guide to Rust Management Decisions in Slash Pine Plantations

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Abstract:

Using published data, an empirical model is derived to approximate volume loss due to fusiform rust in slash pine plantations. Specifically, cumulative percentage volume loss at age 15 years is estimated as a function of percentage-rust-associated mortality at age 15 years, percentage stems infected at age 5 years and percentage trees infected at ages 5-10 years. Volume losses of <15, 15-35, and >35 percent at age 15 years are arbitrarily defined as low-, moderate-, and high-rust hazard, respectively. The corresponding percentages of trees with rust were <18, 18-43, and >43 at age 5 years, and <44, 44-77, and >77 at age 10 years. Using these approximations, a regional rust-hazard map for 10-year-old slash pine plantations is developed from rust survey data and potential rust management strategies are discussed for the region and for planatations.

Document Type: Journal Article

Affiliations: Graduate Student, School of Forest Resources and Conservation, University of Florida, Gainesville

Publication date: February 1, 1982

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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