Which of the following is used as bioinsecticide?

Which of the following is used as bioinsecticide?
  1. Bacillus polymyxa
  2. Cylindrospermum licheniforme
  3. Phytophthora palmivora
  4. Chrysanthemum cinerarifolium

Solution

Bacillus polymyxa and Cylindrospermum licheniforme are freeliving nitrogen fixing bacteria and cyanobacteria respectively. Phytophthora palmivora is a mycoherbicide. Pyrethrum is an insecticide obtained from the inflorescence of Chrysanthemum cinerarifolium.

Asked in: NEET 2011 (Mains)

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