Table 6. Disease progress adjusted with the monomolecular equation, for charcoal base rot (Ustulina deusta) in oil palm in the Atlantic coast of Costa Rica.
Harvesting
lot		 Material Year of
planting		 Evaluation
period		 Initial
incidence
yi		 Final
incidence
yf		 Growth
rate
X106
1 Deli x AVROS 1981 MAR 89 - AUG 91 0.012 0.194 1.21
2 Deli x AVROS 1976 MAR 89 - JUL 91 0.012 0.273 1.76
3 Deli x AVROS 1976 FEB 89 - NOV 91 0.009 0.278 1.42
4 Deli x AVROS 1981 MAR 89 - OCT 91 0.024 0.347 1.56
5 Deli x AVROS 1976 MAR 89 - NOV 91 0.043 0.391 1.33