|
Table 2. Vegetative
growth of nursery palms (Deli x AVROS) healthy or which had been affected at least once by
Common Spear Rot / Crown Disease.
| Days after nursery planting |
Category |
Rachis length (cm) |
Leaflets number /m of rachis |
Leaf area (m²) |
Leaf emision rate (leaves/month) |
Petiole cross section (cm²) |
| 301 |
Healthy |
60.1** |
103.7 |
0.306** |
2.092 |
|
| Diseased |
51.8 |
111.0** |
0.231 |
2.045 |
|
| 358 |
Healthy |
84.2** |
96.2 |
0.499** |
2.082 |
1.174** |
| Diseased |
73.5 |
103.0** |
0.387 |
1.990 |
1.041 |
| 428 |
Healthy |
116.2 |
85.3 |
0.688 |
1.775 |
1.365** |
| Diseased |
101.1 |
93.6** |
0.563** |
1.727 |
1.211 |
| 482 |
Healthy |
150.8 |
78.1 |
0.925** |
1.854 |
1.586* |
| Diseased |
133.8 |
83.4* |
0.794 |
1.706 |
1.524 |
|
Means were separated for each date and variable by a "t" Student test.
*: P=0.05, **: P=0.01.
|
|