The prodigious spread of prickly pear (Opuntia) in South India was controlled by
A
cochineal insect
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B
colchicine
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C
DDT
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D
2, 4-D
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Solution
The correct option is B cochineal insect When the invasive species prickly pear was introduced it possessed a threat to the native species. The growth Opuntia is then controlled by the introduction of the species of the cochineal insect.
This was the biological methods of the plant management.