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Monitoring Incidence of Fusiform Rust in the South and Change Over Time
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Appendix - Table 10

 
Table 10. -- Change in percentage of planted slash pine acreage infected with fusiform rust at three infection levels, estimated from FIA* data

State

Survey
Dates

Changes in
total acres **

Changes in acres **

> 10%
infection

> 30%
infection

> 50%
infection

---------------- Percent ----------------

Between most recent survey and next-to-last survey
Alabama 1982, 1990 +1 +8 +1 +2
Arkansas 1978, 1988 0 0 0 0
Florida 1980, 1987 +16 +2 +1 +2
Georgia 1982, 1989 +7 -3 -5 -2
Louisiana 1984, 1991 +8 +7 -8 -18
Mississippi 1987, 1994 +24 -21 -25 -3
N. Carolina 1984, 1990 -20 -16 -4 -6
Oklahoma 1986, 1993 0 0 0 0
S. Carolina 1986, 1993 -44 -14 -17 -16
Texas 1986, 1992 -25 -32 -10 -3
Virginia

1986, 1992

0 0 0 0
Total +7 -3 -4 -3
Between next-to-last and previous surveys
Mississippi 1977, 1987 +5 +19 +20 +9
N. Carolina 1975, 1984 +107 +32 +8 +1
S. Carolina 1978, 1986 -28 -1 -13 -15
Virginia 1977, 1986 0 0 0 0
*FIA=Forest Inventory and Analysis Unit, Asheville, NC.
**Change between the listed survey dates.
 
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