The toxic substance produced by the pathogen causing Brown leaf spot of rice, harming seedlings reducing respiration of the host is?

Piricularian

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A-Picolinic acid

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Cochliobolin

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Ferulic acid

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Solution

The correct option is B Cochliobolin
C. Cochliobolin
EXPLANATION: Cochliobolin also known as ophiobolin is a phytotoxin produced by a fungus Helminthosporium oryzae, which is known to cause Brown leaf spot of rice.

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