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प्रश्न
Give two examples of microbial pesticides with their hosts.
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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संबंधित प्रश्न
Explain the significant role of the genus Nucleopolyhedrovirus in an ecological sensitive area.
Give the biological name of the following:
The fungus that is being developed as a bio-control agent.
How does the activity of each one of the following help in organic farming?
Mycorrhiza
Match the column A with B and rewrite correct pairs
| A | B | |
| I | Mycoherbicides | Cactoblastis |
| II | Bacterial herbicides | Alternaria |
| III | Insects as herbicides | Xanthomonas |
Which of the following statements regarding biocontrol agents are correct?
Which of the following is the INCORRECT statement with respect to biocontrol agents?
Which of the following is the INCORRECT statement?
Which one of the following statements is WRONG in relation to transgenic Bt cotton plant?
The free-living fungus Trichoderma can be used for ______.
Explain how Bacillus thuringiensis acts as a bio-control agent.
