Table 3.
Effect of different isolates of Phaeocytostroma ambiguum and Stenocarpella maydis on survival, plant growth (shoot length) and crown and root rot of maize seedlings under glasshouse conditions.
| Fungus | Isolate | Survival (%) x | Shoot length (mm) x | Crown rot (%) x y | Root rot severity x z |
|---|---|---|---|---|---|
| Control | 100.0a | 489.7ab | 0.0j | 0.00h | |
| P. ambiguum | Z113V | 100.0a | 416.9defg | 46.7def | 1.27g |
| Z171F | 100.0a | 442.9bcd | 60.0cd | 1.10g | |
| Z182Z | 96.7a | 434.1cd | 13.7hij | 1.14g | |
| Z189Z | 96.7a | 452.1abcd | 23.7ghi | 1.28g | |
| Z191AB | 100.0a | 422.6cdef | 100.0a | 2.00f | |
| Z199Z | 100.0a | 497.8a | 13.3hij | 1.13g | |
| Z213H | 96.7a | 487.9ab | 17.0hij | 1.07h | |
| Z222AS | 93.3ab | 496.4a | 14.2hij | 0.82g | |
| Z225F | 96.7a | 455.1abcd | 7.0ij | 1.21g | |
| Z323C | 100.0a | 375.8fgh | 100.0a | 2.30def | |
| Z432W | 93.3ab | 428.3cde | 100.0a | 2.04ef | |
| S. maydis | Z169F | 76.7bc | 381.4efgh | 100.0a | 2.21ef |
| Z178AB | 40.0e | 370.2gh | 50.6de | 2.83dc | |
| Z181R | 56.7de | 290.2j | 100.0a | 3.41b | |
| Z255K | 83.3abc | 376.6fgh | 77.8bc | 2.36def | |
| Z255AD | 100.0a | 377.9fgh | 73.3bc | 2.23ef | |
| Z401P | 83.3abc | 313.7ij | 59.7cd | 3.32bc | |
| Z404K | 86.7abc | 361.2hi | 100.0a | 2.58de | |
| Z410AD | 83.3abc | 420.6cdef | 27.8fgh | 2.20ef | |
| Z422B | 96.7a | 465.8abc | 38.5efg | 1.00g | |
| Z430D | 46.7e | 289.0j | 20.8ghi | 3.79ab | |
| Z434C | 70.0cd | 315.5ij | 90.5ab | 4.00a |
xMeans within a column followed by the same letter do not differ significantly (P = 0.05)
yPercentage plants with crown rot
zRoot rot severity rated on a scale of 0–4 with 0 = no root rot, 1 = > 0–25 % root rot, 2 = > 25–50 % root rot, 3 = > 50–75 % and 4 = >75–100 % root rot.