Table 5. Leaf nutrient content in leaf Nš 9 of healthy and diseased (common spear rot\crown disease), oil palms planted in August, 1987; Coto, Costa Rica).
Percent ug/g
N P K Ca Mg Cl S B Fe Cu Zn Mn Al
September, 1989 (wet season)
Healthy palm
C96501 2.66 0.168 1.234 0.515 0.316 0.071 0.182 8.3 68.7 6.6 13.5 204.1 -
C9570 2.844 0.188 1.392 0.565 0.329 0.057 0.191 9.7 65.7 9.1 14.9 168.7 -
C9590 2.764 0.171 1.239 0.565 0.36 0.065 0.191 9.3 52.8 7.2 14.2 187.1 -
Recovered palm
C9570 2.994 0.188 1.248 0.636 0.327 0.065 0.195 9.4 60.2 6.9 12.8 174.6 -
Diseased palm
C9650 3.251 0.192 1.171 0.528 0.272 0.092 0.225 8.6 72.5 7.7 17.5 238.7 -
2.993 0.179 1.077 0.609 0.346 0.061 0.198 8.7 60 6.8 12.2 183 -
December, 1989 (end of rainy season)
Healthy palm
C9650 2.721 0.177 1.496 0.471 0.279 0.148 0.183 9.6 63.2 9.5 17.5 247.1 25
C9570 3.046 0.198 1.469 0.634 0.349 0.085 0.2 9 70.8 11.2 18.5 259.1 23.6
C9590 2.926 0.189 1.464 0.542 0.367 0.098 0.198 9.1 78 9.8 20.8 263.3 32
Recovered palm
C9570 3.076 0.194 1.368 0.673 0.347 0.069 0.205 8.6 77 10.3 18.4 260.1 27.2
Diseased palm
C9650 3.15 0.2 1.28 0.546 0.345 0.145 0.22 8.6 70.7 9.3 18.3 269 25
C9570 2.957 0.196 1.465 0.609 0.289 0.08 0.203 10.2 60 9.8 19.5 235.4 25

1. C9650= very susceptible progeny; C9570= susceptible progeny; C9590= resistant progeny).