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Table 2 Soil sample collection sites, number of isolates examined, and crystal-forming isolates

From: Isolation, characterization, and bio-insecticidal efficiency of Ethiopian isolates of Bacillus thuringiensis against Galleria mellonella L. (Lepidoptera: Pyralidae) and tomato whitefly, Bemisia tabaci (Genn.) (Hemiptera: Aleyrodidae)

No. Sample sites No. of soil sample collected Collection zone Habitat Bacillus-like colony examined Crystal-forming isolates Bacillus thuringiensis index
1 Dalota 15 East Shoa Cultivated land 70 7 0.10
2 Kality 10 East Shoa Cultivated land 47 8 0.17
3 Erobgebaya 15 East Shoa Cultivated land 38 4 0.11
4 Koka 10 East Shoa Cultivated land 23 3 0.13
5 Menagesha 20 West Shoa Forest 102 9 0.09
  Total 70    280 31 0.11