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Monitoring Incidence of Fusiform Rust in the South and Change Over Time
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Appendix - Table 13

 
Table 13. -- Change in percentage of 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 +168 -13 -10 -8
Arkansas 1978, 1988 +215 +2 +1 0
Florida 1980, 1987 +120 -2 -3 +2
Georgia 1982, 1989 +92 -9 -10 -6
Louisiana 1984, 1991 +72 -2 -2 +2
Mississippi 1987, 1994 +125 -14 -6 -4
N. Carolina 1984, 1990 +40 -6 -4 -1
Oklahoma 1986, 1993 +114 0 -2 0
S. Carolina 1986, 1993 +46 -4 -7 -3
Texas 1986, 1992 +64 -5 -4 -2
Virginia 1986, 1992 +27 -1 0 0
Total   +44 -7 -5 -3
           
Between next-to-last and previous surveys  
Mississippi 1977, 1987 +65 +14 +2 +2
N. Carolina 1975, 1984 +58 +13 +5 +1
S. Carolina 1978, 1986 +89 -9 -7 -5
Virginia 1977, 1986 +70 0 0 0
 
*FIA=Forest Inventory and Analysis Unit, Asheville, NC.
**Change between the listed survey dates.
 
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