Table 1.
Selection of Bt strains and strains originated from Bt used as commercial pesticides in agriculture, forestry, and public health programmes
| Pest control sectors | Insecticidal Bt strains/genes | Target pest |
|---|---|---|
| Agriculture | Natural strains | |
| Bt kurstaki (Btk) | Lepidoptera | |
| Bt san diego (Btsd) | Coleoptera | |
| Bt tenebrionis (Btt) | Coleoptera | |
| Improved strains | ||
| Btk HD1 | Lepidoptera | |
| Btk SA-11 | Lepidoptera | |
| Btk SA-12 | Lepidoptera | |
| Conjugated strains | ||
| EG2424 (Btk × Btt) | Lepidoptera and Coleoptera | |
| EG2348 (Btk × Bta) | Lepidoptera | |
| Recombinant strains | ||
| E. coli expressing Cry1Ac (x2), Cry3A Cry3Bb | Lepidoptera | |
| E. coli expressing Cry1Ac (x3), Cry2A Cry1C | Lepidoptera | |
| E. coli expressing Cry1Aa, Cry1Ac (x2), Cry2A Cry1F-1Ac | Lepidoptera | |
| Forestry | Natural strains | |
| Bt aizawai (Bta) | Lepidoptera | |
| Btk | Lepidoptera | |
| Improved strains | ||
| Btk HD1 | Lepidoptera | |
| Btk SA-11 | Lepidoptera | |
| Public health | Natural strains | |
| Bt israelensis (Bti) | Diptera | |
| Bt medellin (Btm) | Diptera | |