Table 2 Effects of different concentrations of lactic acid on tobacco black shank disease.
From: Lactic acid induced defense responses in tobacco against Phytophthora nicotianae
Lactic acid concentration (mM) | The average length of lesions size (cm) | The disease index | The relative control effec (%) |
|---|---|---|---|
0 (CK) | 7.83 ± 0.71ab | 69.80 ± 0.80a | — |
1 | 8.20 ± 0.51a | 68.60 ± 2.11ab | 1.71 ± 0.98c |
2 | 7.66 ± 0.72ab | 66.20 ± 1.05ab | 5.15 ± 1.52c |
5 | 6.63 ± 0.63ab | 64.60 ± 1.60bc | 7.44 ± 2.29bc |
7 | 5.76 ± 0.83b | 59.80 ± 1.44 cd | 14.32 ± 2.06ab |
10 | 6.23 ± 0.27ab | 59.80 ± 1.05 cd | 14.32 ± 1.51ab |
15 | 6.65 ± 0.49ab | 55.20 ± 2.16d | 20.91 ± 3.09a |
