77.Which of the following can be used as a biocontrol agent in the treatment of plant disease? A. Chlorella B. Anabaena C. Lactobacillus D. Trichoderma
Option D. Trichoderma sps are fungi belonging to class Ascomycetes. These fungi are regular components of the soil. They prevent/protect the roots of the plant from pathogenic infection So, the correct answer is 'Trichoderma'
