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Title: HOW to Manage Jack Pine to Reduce Damage from Jack Pine Budworm
Author: McCullough, Deborah G.; Katovich, Steven; Heyd, Robert L.; Weber, Shane
Source: NA-FR-01-94. [Radnor, PA]: U.S. Dept. of Agriculture, Forest Service, Northern Area State & Private Forestry
Description: Jack pine budworm, Choristoneura pinus pinus Freeman, is a needle feeding caterpillar that is generally considered the most significant pest of jack pine. Vigorous young jack pine stands are rarely damaged during outbreaks. The most vigorous stands are well stocked, evenly spaced, fairly uniform in height, and less than 45 years old. Stands older than 45 years that are growing on very sandy sites and suffering from drought or other stresses are very vulnerable to damage. Tree mortality and topkill are more likely to occur in these stands. Jack pine budworm is native to North America and has evolved to play an integral part in perpetuating jack pine ecosystems. Tree mortality and topkill resulting from budworm defoliation creates fuel for intense wildfires. Dense stands of jack pine typically regenerate after fire, eventually serving as food for future generations of jack pine budworm. Harvesting and other management activities can avoid budworm caused tree mortality and reduce the threat of damaging wildfires yet still provide suitable conditions for jack pine regeneration.
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McCullough, Deborah G.; Katovich, Steven; Heyd, Robert L.; Weber, Shane 1994. HOW to Manage Jack Pine to Reduce Damage from Jack Pine Budworm. NA-FR-01-94. [Radnor, PA]: U.S. Dept. of Agriculture, Forest Service, Northern Area State & Private Forestry
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