Effect of stem location of fusiform rust symptoms on volume yields of loblolly pinus taeda and slash pine pinus elliottii var elliottii sawtimber

Webb, R.S.; Patterson, H.D.

Phytopathology 74(8): 980-983

1984


ISSN/ISBN: 0031-949X
Accession: 005272477

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Abstract
The stem location and extent of cankers or galls caused by Cronartium quercuum f. spp. fusiforme were analyzed for 230 P. taeda and 217 P. elliottii var. elliottii of sawtimber-size in the southeastern USA. The average losses of utilizable sawtimber volume, 24-43% for loblolly pine and 23-53% for slash pine, were related inversely to the 10- .gtoreq. 18-in. diameter classes. Symptoms occurring within the initial 8 ft of the 1st sawlog resulted in the greatest proportional volume loss for either host species.