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Monitoring Incidence of Fusiform Rust in the South and Change Over Time
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Appendix - Table 12

 
Table 12. -- Change in percentage of natural and planted 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 +21 -9 -6 -3
Arkansas 1978, 1988 +15 -6 0 0
Florida 1980, 1987 +40 -8 -7 +2
Georgia 1982, 1989 +12 -21 -7 -3
Louisiana 1984, 1991 +6 +4 0 -1
Mississippi 1987, 1994 +12 -10 -1 -1
N. Carolina 1984, 1990 +9 -2 -2 -1
Oklahoma 1986, 1993 +81 0 -1 0
S. Carolina 1986, 1993 +12 -6 -7 -1
Texas 1986, 1992 +11 0 -2 0
Virginia 1986, 1992 +13 -1 0 0
Total   +16 -5 -4 -2
           
Between next-to-last and previous surveys  
Mississippi 1977, 1987 +9 +2 +1 +1
N. Carolina 1975, 1984 +4 +10 +2 +1
S. Carolina 1978, 1986 +14 -2 -2 -3
Virginia 1977, 1986 +13 +1 0 0
 
*FIA=Forest Inventory and Analysis Unit, Asheville, NC.
**Change between the listed survey dates.
 
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