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Table 3. Vegetative
growth in the field of Deli x AVROS palms affected by Crown Disease/Common Spear Rot.
Trial A.
| 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) |
Leaves number per palm |
190
(6.3) |
A (12) |
25.40 |
158.30 |
2.6590 |
113.7 |
1.2213 |
2.1772 |
15.11 |
| B (59) |
24.21 |
149.75 |
2.3990 |
109.7 |
1.1579 |
2.1415 |
15.30 |
| C (100) |
24.75 |
154.87 |
2.3767 |
106.2 |
1.1955 |
2.0999 |
15.74 |
| D (18) |
21.50 |
143.11 |
2.0972 |
119.7 |
1.0751 |
1.8361 |
13.00 |
| DMS |
2.71 |
11.76 |
0.2795 |
10.1 |
N.S. |
0.2638 |
2.30 |
371
(12.2) |
A (30) |
47.00 |
176.27 |
3.4994 |
115.4 |
1.5367 |
2.6050 |
24.19 |
| B (41) |
43.93 |
175.34 |
3.4688 |
112.0 |
1.5353 |
2.5865 |
24.73 |
| C (100) |
43.77 |
183.65 |
3.3869 |
107.0 |
1.6502 |
2.6415 |
25.33 |
| D (75) |
43.85 |
175.20 |
3.1925 |
109.4 |
1.5226 |
2.5177 |
24.92 |
| DMS |
N.S. |
8.45 |
0.2764 |
5.0 |
0.1276 |
0.1237 |
N.S. |
553
(18) |
A (42) |
60.45 |
230.20 |
4.6559 |
100.1 |
2.5329 |
3.2969 |
33.60 |
| B (29) |
63.55 |
242.20 |
5.1844 |
94.4 |
2.8191 |
3.1624 |
34.03 |
| C (100) |
64.48 |
254.20 |
5.0731 |
89.1 |
2.9925 |
3.1738 |
34.97 |
| D (75) |
61.98 |
243.60 |
4.8492 |
92.2 |
2.7492 |
3.1470 |
34.00 |
| DMS |
4.03 |
10.61 |
0.4170 |
3.1 |
0.2433 |
0.1499 |
N.S |
742
(24.4) |
A (42) |
90.30 |
294.80 |
6.3363 |
81.9 |
3.0745 |
3.3537 |
38.05 |
| B (29) |
91.40 |
297.40 |
6.5140 |
81.5 |
3.3667 |
3.5176 |
39.55 |
| C (100) |
95.40 |
309.10 |
6.3676 |
77.5 |
3.3376 |
3.5307 |
39.34 |
| D (88) |
92.90 |
303.20 |
6.3038 |
80.3 |
3.2821 |
3.3731 |
38.27 |
| DMS |
5.07 |
14.30 |
N.S. |
2.9 |
0.2630 |
0.1575 |
1.07 |
931
(30.6) |
A (42) |
104.70 |
337.50 |
7.7365 |
69.5 |
4.2326 |
3.3597 |
40.47 |
| B (29) |
108.80 |
347.90 |
8.0363 |
68.1 |
4.2604 |
3.2522 |
40.17 |
| C (100) |
112.30 |
352.00 |
7.5858 |
62.0 |
4.3305 |
3.4356 |
40.47 |
| D (88) |
112.20 |
353.70 |
7.8162 |
65.2 |
4.3002 |
3.3621 |
40.29 |
| DMS |
7.40 |
16.20 |
N.S. |
3.2 |
N.S. |
0.1833 |
N.S |
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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
Number in parenthesis means the number of plants / category / date
DMS = Leaf significant difference (P=0.05)
Data correspond to leaves in
positions 5 and 7 at 190 and 371 days after field planting. Leaf 17 was measured
afterwards.
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