Baculoviruses are pathogens that attack which of the following organisms?

Pyrethrin is a common ingredient of

Find the correct option with respect to bioherbicide.

Growth of water hyacinth is controlled by . . . . . . .

Identify the incorrect statement.
$(i)$ Bacillus thuringiensis are available in sachets as dried spores which are mixed with kerosene and sprayed on to vulnerable plants.
$(ii)$ $B. thuringiensis$ are used to control butterfly caterpillars,but leave other insects unharmed.
$(iii)$ The toxin of $B. thuringiensis$ is released in the blood of larvae and the larvae get killed.
$(iv)$ By the development of methods of genetic engineering,$B. thuringiensis$ toxin genes have been introduced into plants.

Baculoviruses are pathogens that attack which of the following organisms?