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Monitoring Incidence of Fusiform Rust in the South and Change Over Time
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Appendix - Table 14

 
Table 14. -- Change in percentage of natural loblolly pine acreage infected with fusiform rust at three infection levels, estimated from FIA* data.
State Survey
dates
Change in
total acres**
Change in acres**
>10%
infection
>30%
infection
>50%
infection
   

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

Between most recent survey and next-to-last survey
Alabama 1982, 1990 -20 -4 -4 0
Arkansas 1978, 1988 -18 -4 -1 +1
Florida 1980, 1987 -3 -8 -7 +2
Georgia 1982, 1989 -17 -5 -7 -3
Louisiana 1984, 1991 -16 +5 0 -2
Mississippi 1987, 1994 -4 -3 -1 -2
N. Carolina 1984, 1990 -11 0 -2 0
Oklahoma 1986, 1993 -51 0 0 0
S. Carolina 1986, 1993 -14 -7 -3 0
Texas 1986, 1992 -12 +1 -1 0
Virginia 1986, 1992 -11 -2 -1 0
Total   -14 -3 -2 -1
           
Between next-to-last and previous surveys  
Mississippi 1977, 1987 -8 -1 +11 +1
N. Carolina 1975, 1984 -14 +7 +1 +1
S. Carolina 1978, 1986 -12 0 -1 +2
Virginia 1977, 1986 -27 +3 +1 0
 
*FIA=Forest Inventory and Analysis Unit, Asheville, NC.
**Change between the listed survey dates.
 
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