Multiple choice

Which of the following is an example of a bioherbicide?

  1. Phytophthora palmivora

  2. 2 - 4, D

  3. Cinerin

  4. Stick insect
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A Correct answer
Explanation

Phytophthora palmivora is a fungal pathogen used as a bioherbicide to control specific weed species, particularly milkweed vine. Bioherbicides are living organisms or their products used to control unwanted plants. 2,4-D is a synthetic chemical herbicide. Cinerin is a bioinsecticide from chrysanthemum flowers. Stick insect is a biological insect, not a herbicide.

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