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प्रश्न
Give two examples of microbial pesticides with their hosts.
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उत्तर
| Pathogen | Host range |
|
Bacteria : Bacillus thuringiensis(Bt) |
Caterpillars (larvae of moths and butterflies), larvae of Aedes, black flies, some adult beetles, wax moths, etc. |
|
Fungi : Beauveria bassiana |
Aphids, mealy bugs, mites, white files, etc. |
|
Protozoans : Nosema locustae |
Grasshoppers, caterpillars, some corn-borers and crickets |
|
Viruses : Nucleopolyhedrovirus or NPV (125 types known) |
Gypsy moths and caterpillars |
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Which one of the following is NOT an action of biocontrol on a pest?
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