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Table 4. Vegetative
growth in the field of Deli x AVROS palms affected by Crown Disease/Common Spear Rot
during different stages of their growth. Trial B.
| Days after field planting (months) |
Group* |
Petiole length (cm) |
Rachis length (cm) |
Petiole cross section |
Leaflets No /m of rachis |
Leaf area (mē) |
Leaf emision rate (leaves /month) |
194 |
A (78) |
21.1 a |
154.5 a |
2.352 a |
108.9 |
1.156 a |
|
| B (35) |
22.8 b |
141.8 b |
2.204 ab |
111.5 |
0.996 b |
|
| C (48) |
21.9 b |
151.0 ab |
2.133 b |
108.7 |
1.152 a |
|
374 |
A (49) |
45.9 a |
174.1 |
3.30 a |
113.6 a |
1.527 |
1.291 |
| B (64) |
42.0 a |
174.4 |
3.16 a |
112.2 ab |
1.546 |
1.225 |
| C (48) |
38.0 b |
172.6 |
2.93 ab |
111.1 b |
1.523 |
1.216 |
553 |
A (49) |
62.4 |
226.3 ab |
4.664 |
51.2 c |
1.245 |
3.433 a |
| B (64) |
65.7 |
216.2 b |
4.759 |
83.2 b |
2.241 |
3.097 b |
| C (48) |
66.1 |
230.3 a |
4.514 |
97.4 a |
2.558 |
3.126 b |
752 |
A (33) |
86.3 ab |
282.3 |
5.866 ab |
85.7 |
3.284 |
3.143 b |
| B (35) |
87.5 a |
285.3 |
6.539 a |
85.9 |
3.288 |
3.358 a |
| C (48) |
86.8 ab |
276.8 |
5.847 abc |
86.3 |
3.421 |
3.299 a |
| D (46) |
86.3 b |
282.1 |
5.866 ab |
85.7 |
3.284 |
3.144 b |
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A = Plants with symptoms at the
nursery and on the field
B = Symptoms at the nursery but
healthy on the field
C = Allways healthy
D = Healthy at the nursery but
symptoms on the field
Data correspond to leaves in
positions 5 and 9 at 194 days after field planting. Leaf 17 was measured afterwards.
Number in parenthesis means the
number of plants / category / date
Means were separated for each date and each variable by the "t" Student test.
Means followed by the same letter at the same column are not different statisticaly.
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