Treatment
|
Application
|
Black root rot disease
|
---|
Disease incidence
|
Reduction%
|
Disease severity
|
Reduction%
|
---|
Silicon
|
Soil
|
12.7 b*
|
69.0
|
10.2 b
|
72.4
|
Soil + foliar
|
6.7 d
|
83.7
|
6.0 c
|
83.8
|
Potassium silicate
|
Soil
|
9.3 c
|
77.3
|
8.5 bc
|
77.0
|
Soil + foliar
|
3.0 f
|
92.7
|
3.0 e
|
91.9
|
Sodium silicate
|
Soil
|
12.3 b
|
70.0
|
10.2 b
|
72.4
|
Soil + foliar
|
7.7 d
|
81.2
|
6.5 c
|
82.4
|
Calcium silicate
|
Soil
|
9.7 c
|
76.3
|
8.5 bc
|
77.0
|
Soil + foliar
|
3.4 f
|
91.7
|
3.3 e
|
91.1
|
Actamyl 3 g/L (Fungicide)
|
Soil
|
5.3 e
|
87.1
|
5.7 d
|
84.6
|
Soil + foliar
|
4.7 e
|
88.5
|
5.2 d
|
85.9
|
Control
| |
41.0 a
|
0.0
|
37.0 a
|
0.0
|
- * Figures with the same letter in a column are not significantly (P ≤ 0.05) different