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Introduction
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Figure 1. - Stands that are highly resistant to SPB attack
should
be a primary objective of management.
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Much of today's southern pine forest
resulted from natural seeding and planting on abandoned agricultural lands
from 1930 through 1950. Young stands grew rapidly with little or no tending.
Insect problems developed and intensified as stands became crowded and vigor
declined. Silviculture offers the most promising and long-lasting means
of reversing this trend (fig. 1). This handbook describes the characteristics
of stands that are highly susceptible to southern pine beetle (SPB) attack
and recommends cultural treatments that land managers and owners might consider
to reduce losses from this pest. |
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