Correct option is A
Bacillus thuringiensis (Bt) is a bacterium commonly used as a biological pesticide. It is effective against various insect pests, especially caterpillars, as it produces toxic proteins that target the digestive system of these pests.
Knowledge Booster (Other Option Information):
Fruit-sucking moth: This pest feeds on fruit and can cause damage to crops like guava, mango, and other fruits.
Control methods often include the use of chemical insecticides like organophosphates or synthetic pyrethroids.
Thrips: These tiny insects damage plants by feeding on the leaves, flowers, and fruit. Thrips can be controlled using a variety of approaches:
Predatory insects like minute pirate bugs and lacewing larvae.
Insecticides such as neonicotinoids or spinosad.
Aphids: These are sap-sucking insects that can transmit plant viruses. Effective management of aphids includes:
Natural predators like ladybugs, lacewing larvae, and hoverfly larvae.
Insecticidal soaps and horticultural oils.
