Treatment | Application | Enzyme activities | |||||
---|---|---|---|---|---|---|---|
Peroxidase | Polyphenol oxidase | Chitinase | |||||
Activity | Increase % | Activity | Increase % | Activity | Increase % | ||
Silicon | Soil | 1.5 | 87.5 | 1.4 | 133.0 | 4.5 | 125.0 |
Soil+ foliar | 1.8 | 125.0 | 1.4 | 133.0 | 4.5 | 125.0 | |
Potassium silicate | Soil | 2.0 | 150.0 | 1.8 | 200.0 | 5.0 | 150.0 |
Soil+ foliar | 2.4 | 200.0 | 2.1 | 250.0 | 6.5 | 225.0 | |
Sodium silicate | Soil | 1.5 | 87.5 | 1.5 | 150.0 | 4.5 | 125.0 |
Soil+ foliar | 1.8 | 125.0 | 1.7 | 183.3 | 5.5 | 175.0 | |
Calcium silicate | Soil | 2.0 | 150.0 | 1.5 | 150.0 | 5.5 | 175.0 |
Soil+ foliar | 2.2 | 175.0 | 2.0 | 233.3 | 6.0 | 200.0 | |
Amstar (fungicide) 1 ml/l | Foliar | 1.5 | 87.5 | 1.4 | 133.0 | 4.5 | 125.0 |
Control | Untreated | 0.8 | 0.6 | 0.0 | 2.0 | 0.0 |