Table 3. Disease progress curves adjusted with the Gompertz equation for the red ring/little leaf syndrom in oil palm in the Pacific coast of Costa Rica
Harvesting
lot		 Year of
planting		 Evaluation
period		 Initial
incidence		 Final
incidence		 Growth
rate x10-6
1 1984 FEB 91 - DEC 92 0.02 0.409 9.93
2 1984 SEP 90 - DEC 92 0.06 0.465 4.93
3 1984 OCT 90 - DEC 92 0.01 0.477 9.73
4 1984 AUG 90 - DEC 92 0.01 0.517 7.38
5 1983 OCT 90 - DEC 92 0.03 0.555 7.06
6 1983 JUL 90 - DEC 92 0.06 0.596 5.75
7 1983 JUL 90 - DEC 92 0.11 0.646 4.54
8 1984 AUG 90 - DEC 92 0.10 0.670 4.78
9 1984 SEP 90 - DEC 92 0.20 0.841 4.61
10 1983 JUL 90 - DEC 92 0.12 0.842 6.17
11 1984 AUG 90 - DEC 92 0.09 0.845 6.30
12 1983 JUN 90 - DEC 92 0.09 0.866 5.51
13 1984 AUG 90 - DEC 92 0.01 0.874 7.59
14 1984 AUG 90 - DEC 92 0.05 0.912 7.06
15 1983 JUL 90 - DEC 92 0.04 0.917 6.17
16 1983 JUL 90 - DEC 92 0.17 1.195 5.94
17 1983 JUL 90 - DEC 92 0.15 1.328 6.59
18 1983 AUG 90 - DEC 92 0.04 2.238 12.10
19 1983 AUG 90 - DEC 92 0.08 2.482 11.80
20 1976 JAN 90 - DEC 92 0.67 3.130 6.28
21 1984 SEP 90 - DEC 92 0.09 3.237 13.70
22 1983 SEP 90 - DEC 92 0.11 3.336 14.40
23 1983 AUG 90 - DEC 92 0.08 3.591 14.20
24 1975 JAN 90 - DEC 92 1.11 4.078 5.65
25 1976 DEC 89 - DEC 92 0.75 4.266 6.68
26 1976 DEC 89 - DEC 92 0.87 4.729 6.64
27 1977 ABR 90 - DEC 92 0.27 5.008 11.30
28 1983 SEP 90 - DEC 92 0.03 5.956 18.40
29 1983 SEP 90 - DEC 92 0.08 7.759 19.00
30 1977 MAR 90 - DEC 92 0.20 7.837 11.90
31 1977 MAR 90 - DEC 92 0.52 8.930 11.80
32 1977 ABR 90 - DEC 92 1.03 9.440 10.60
33 1977 ABR 90 - DEC 92 0.60 9.567 12.70
34 1976 FEB 91 - DEC 92 0.34 10.096 14.50
35 1976 MAR 90 - DEC 92 0.47 12.411 16.40
36 1969 SEP 90 - DEC 92 0.54 15.975 15.30
37 1977 FEB 91 - DEC 92 0.87 16.068 16.70
38 1971 FEB 91 - DEC 92 1.09 18.421 16.70
39 1969 SEP 90 - DEC 92 1.36 22.040 14.60
40 1968 JAN 90 - DEC 92 2.40 28.810 21.50
41 1968 JAN 90 - DEC 92 3.37 31.044 19.50
42 1968 JAN 90 - DEC 92 2.44 34.647 25.70
43 1971 FEB 91 - DEC 92 0.71 36.510 26.50
44 1968 OCT 90 - DEC 92 3.49 54.723 61.10