Independent variable | DF | Chocolate spot severity LRT | |||
Type 1 analysisa | Type 3 analysisb | ||||
DC | PR > X2 | DC | PR > X2 | ||
Altitude | 2 | 743.9 | <0.0001 | 177.3 | <0.0001 |
Soil type | 2 | 33.8 | <0.0001 | 21.6 | <0.0001 |
Farm history | 3 | 114.1 | <0.0001 | 50.9 | <0.0001 |
Fertilization | 1 | 0.5 | 0.47 | 0.1 | 0.74 |
Growth stage | 2 | 110.5 | <0.0001 | 55 | <0.0001 |
Planting density | 1 | 11.4 | 0.0007 | 31.1 | <0.0001 |
Planting method | 1 | 0.35 | 0.55 | 3.2 | 0.06 |
Fungicide usage | 1 | 34.8 | <0.0001 | 34.8 | <0.0001 |