Table 1 Morphological characteristics and phenotype of Bacillus thuringiensis isolates
S. no. | Strain names | Growth characters | Color | Appearance of the colony | Colony growth after 7 days on NA (cm) | Endospore size (µm) | |
|---|---|---|---|---|---|---|---|
Length | width | ||||||
1 | AK2.IIPR | Regenerative growth | Off white | Dry, opaque, flat colonies | 0.9 ± 0.15 | 1.8 | 1.3 |
2 | F4.IIPR | Discontinuous growth | Cream yellow | Dry, opaque colonies with lobate margins | 0.56 ± 0.07 | 1.9 | 1.3 |
3 | F5.IIPR | Irregular, continuous growth | Off white | Moist, flat and opaque colonies with lobate margins | 0.66 ± 0.09 | 1.8 | 2.4 |
4 | SgH5.IIPR | Irregular, continuous growth | Off white | Undulate colony margins, transparent colonies, elevation raised | 0.56 ± 0.03 | 1.8 | 1.6 |
5 | F1.IIPR | Irregular, continuous growth | Off white | Moist, flat and opaque colonies with flat margins | 0.7 ± 0.12 | 1.8 | 0.8 |
6 | F6.IIPR | Irregular continuous growth | Off white | Moist, opaque, lobated margined colonies with flat elevation | 0.56 ± 0.03 | 1.9 | 1 |
7 | F8.IIPR | Irregular, continuous growth | Off white | Moist, opaque, flat colonies with lobate margins | 0.8 ± 0.06 | 1.75 | 1.2 |
8 | J3.IIPR | Irregular continuous growth | Off white | Opaque colonies. Colony surface smooth. Margin undulates. Elevation flat | 0.9 ± 0.07 | 1.55 | 0.9 |
9 | B1.IIPR | Irregular, continuous growth | Off white | Viscous, opaque, elevation raised, margin undulates. Colony surface smooth | 0.66 ± 0.15 | 2.2 | 1.9 |
10 | RoT61.IIPR | Discontinuous, circular growth | Off white | Moist, opaque colonies. Colony surface continuous | 1.06 ± 0.09 | 1.8 | 1.5 |
11 | Pa.IIPR | Irregular, continuous growth | Off white | Elevation raised, margin undulates, moist, opaque colonies | 0.76 ± 0.06 | 1.9 | 1.3 |
12 | Pa2.IIPR | Irregular, continuous growth | Off white | Moist, opaque colonies. Colony surface smooth. Margin undulates. Elevation flat | 0.96 ± 0.13 | 2.2 | 1.4 |
|  |  |  |  |  | CD = 0.28 |  |  |