A) Phytophthora
B) Trichoderma
C) Albugo
D) Saccharomyces
Correct Answer: B
Solution :
Several plant pathogens, like harmful insect and disease causing pest can be controlled by bioinesticides, i.e.. by the application of their natural parasite and predators. Trichoderma fungus (free living) grow in soil and root ecosystem, it is being developed as an effective biocontrol agent of several plant pathogens. While species Phytophthora are responsible for roots of different parts of a number of plants, Late blight of potato is caused by Phytophthora infestans, Albugo Candida causes white rust of crucifers. Saccharornyces is common yeast,
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