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Monitoring Incidence of Fusiform Rust in the South and Change Over Time
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Appendix - Table 7

 
Table 7. -- Planted loblolly pine acreage with fusiform rust at three infection levels, estimated from FIA* data

State

Survey
date
Total
Acres
>10%
infection
>30%
infection
>50%
infection
Acres (%)** Acres (%) Acres (%)
----------------Thousand acres ----------------
Most recent survey
Alabama 1990 2,915 753 (26) 293 (10) 117 (4)
Arkansas 1988 1,025 55 (5) 11 (1) 5 (<1)
Florida 1987 317 99 (31) 60 (19) 31 (10)
Georgia 1989 2,634 1,092 (41) 613 (23) 314 (12)
Louisiana 1991 1,587 467 (29) 98 (6) 43 (3)
Mississippi 1994 2,496 371 (15) 72 (3) 18 (1)
N. Carolina 1990 1,866 464 (25) 88 (5) 13 (1)
Oklahoma 1993 446 34 (8) 6 (1) 0 (0)
S. Carolina 1993 2,393 727 (30) 188 (8) 44 (2)
Texas 1992 1,566 179 (11) 29 (2) 0 (0)
Virginia 1992 1,387 39 (3) 0 (0) 0 (0)
Total   18,632 4,280 (23) 1,458 (8) 585 (3)
                 
Next-to-last survey          
Alabama 1982 1,401 551 (39) 281 (20) 172 (12)
Arkansas 1978 325 11 (3) 0 (0) 0 (0)
Florida 1980 144 48 (33) 31 (22) 11 (8)
Georgia 1982 1,373 692 (50) 454 (33) 242 (18)
Louisiana 1984 921 287 (31) 75 (8) 6 (1)
Mississippi 1987 1,111 325 (29) 104 (9) 51 (5)
N. Carolina 1984 1,334 420 (31) 117 (9) 31 (2)
Oklahoma 1986 218 17 (8) 6 (3) 0 (0)
S. Carolina 1986 1,636 560 (34) 247 (15) 77 (5)
Texas 1986 957 150 (16) 56 (6) 17 (2)
Virginia 1986 1,090 42 (4) 2 (<1) 0 (0)
Total   10,510 3,103 (30) 1,373 (13) 607 (6)
                 
Oldest survey          
Mississippi 1977 673 102 (15) 46 (7) 22 (3)
N. Carolina 1975 842 155 (18) 37 (4) 11 (1)
S. Carolina 1978 866 369 (43) 191 (22) 89 (10)
Virginia 1977 641 27 (4) 2 (<1) 0 (0)
 
*FIA=Forest Inventory and Analysis Unit, Asheville, NC.
**Percent of total acres with this level of infection.
 
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