How Important Are Bole Infections in Spread of Ponderosa Pine Dwarf Mistletoe?

Author: Mark Walter R.   Hawksworth Frank G.  

Publisher: Society of American Foresters

ISSN: 0022-1201

Source: Journal of Forestry, Vol.72, Iss.3, 1974-03, pp. : 146-147

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Abstract

The relation between vigor of dwarf mistletoe (Arceuthobium vaginatum subsp. cryptopodum) bole infections and diameter of ponderosa pine was evaluated in several areas in Colorado. Infections which occur where the bole is over 5 inches in diameter seem to pose little threat to surrounding trees. In this study all such trees were over 7 inches d.b.h.