Table 3.
Changes in defense related enzymes activities of groundnut genotypes during Alternaria-groundnut interaction
Genotype/treatment | PAL activity (µM cinnamic acid h−1 g−1 protein) | TAL activity (µM coumaric acid h−1 g−1 protein) | POX activity (mM guaiacol min−1 g−1 protein) | |||
---|---|---|---|---|---|---|
Control | Infected | Control | Infected | Control | Infected | |
CS186 | 8.71a | 9.11a | 23.38b | 56.61b | 11.35d | 25.14a |
GPBD4 | 6.33b | 8.37a | 45.72a | 85.00a | 15.90a | 24.02b |
GG2 | 3.27c | 2.90b | 19.02c | 10.5d | 13.13c | 17.60c |
TPG41 | 1.89d | 1.62b | 18.07c | 29.38c | 14.68b | 17.56c |
All values are mean of three replications. Mean values with different letters (a, b, c and d) within the same column are statistically different according to Duncan’s multiple range test (p value < 0.05)