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


ISSN/ISBN: 0031-949X
Accession: 005272477

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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.