Table 1.
Isolates | Source | Inhibition zone (cm) | Siderophore (μg ml−1) | Salicylic acid (μg ml−1) | β-1,3-glucanase (μg of glucose released min−1 mg of protein−1) | Chitinase (1 μmol of NAG released h−1 mg of protein−1) | |||
---|---|---|---|---|---|---|---|---|---|
F. oxysporum f. sp. lycopersici | S. rolfsii | P. ultimum | R. solani | ||||||
PPT-1 | Tomato | 2.05 ± 0.04b | 2.04 ± 0.04b | 2.02 ± 0.04b | 2.08 ± 0.04b | 27.45 ± 0.55a | 88 ± 1.76a | 278 ± 5.34b | 4.95 ± 0.014a |
PPN-1 | Neem | 1.85 ± 0.04d | 1.64 ± 0.03f | 1.12 ± 0.02k | 1.38 ± 0.03i | 20.54 ± 0.41d | 71 ± 1.42de | 118 ± 1.17i | 3.89 ± 0.038d |
PPB-1 | Bhendi | 1.95 ± 0.04c | 1.94 ± 0.04c | 1.92 ± 0.04c | 1.98 ± 0.04c | 25.44 ± 0.51b | 87 ± 1.74a | 265 ± 4.28c | 4.80 ± 0.042a |
PPBJ-1 | Brinjal | 1.75 ± 0.04e | 1.14 ± 0.02k | 1.42 ± 0.03h | 1.68 ± 0.03f | 23.19 ± 0.46c | 77 ± 1.54b | 178 ± 1.30f | 3.39 ± 0.058e |
PPG-1 | Guava | 1.25 ± 0.02j | 1.54 ± 0.03g | 1.82 ± 0.04d | 1.48 ± 0.03h | 18.45 ± 0.37f | 61 ± 1.22i | 140 ± 2.40h | 3.86 ± 0.012d |
PPL-1 | Lime | 1.65 ± 0.03f | 1.24 ± 0.02j | 1.52 ± 0.03g | 1.18 ± 0.02k | 20.02 ± 0.40de | 70 ± 1.40ef | 135 ± 2.18h | 2.78 ± 0.038g |
PPP-1 | Prosophis | 1.1 ± 0.02k | 1.74 ± 0.03e | 1.72 ± 0.03e | 1.88 ± 0.04d | 12.45 ± 0.25i | 65 ± 1.30h | 218 ± 4.54e | 2.56 ± 0.052h |
PPGR-1 | Groundnut | 1.55 ± 0.03g | 1.44 ± 0.03h | 1.22 ± 0.02j | 1.58 ± 0.03g | 17.32 ± 0.35g | 73 ± 1.46cd | 168 ± 3.15g | 3.1 ± 0.023f |
PPO-1 | Onion | 2.15 ± 0.04a | 2.14 ± 0.04a | 2.12 ± 0.04a | 2.18 ± 0.04a | 27.94 ± 0.56a | 89 ± 1.78a | 292 ± 3.65a | 5.09 ± 0.111a |
PPBO-1 | Bougainvillea | 1.45 ± 0.03h | 1.84 ± 0.04d | 1.32 ± 0.03i | 1.78 ± 0.04e | 17.45 ± 0.35g | 68 ± 1.36g | 186 ± 1.36f | 3.50 ± 0.026e |
PPPA-1 | Parthenium | 1.05 ± 0.02l | 1.34 ± 0.03i | 1.62 ± 0.03f | 1.08 ± 0.02l | 19.47 ± 0.39e | 75 ± 1.50bc | 234 ± 2.07d | 4.2 ± 0.026c |
PPGS-1 | Grass | 1.35 ± 0.03i | 1.04 ± 0.02l | 1.02 ± 0.02l | 1.28 ± 0.03j | 15.32 ± 0.31h | 67 67 ± 1.34gh | 224 ± 3.03e | 4.5 ± 0.080b |
LSD (P ≤ 0.05) | 0.06 | 0.06 | 0.05 | 0.06 | 3.11 | 0.71 | 8.64 | 0.17 |
None of the isolates produced HCN under tested condition; values are mean of three replications ± SD (standard deviation). Values in each column followed by same letter (s) are not statistically different by LSD (P ≤ 0.05).