The pathogen of rice blast or 'rotten neck' is
A. Ustilago tritici
B. Pyricularia oryzae
C. Alternaria alternata
D. Xanthomonas oryzae
Answer: Option B
Solution(By Examveda Team)
The pathogen of rice blast or 'rotten neck' is Pyricularia oryzae.Rice blast disease, which is caused by the fungus Pyricularia oryzae, inflicts serious damage to rice leaves (leaf blast) and panicles (panicle blast). Panicle blast is directly linked to rice production and quality.
The fungus reproductive structures, spores, can spread from these two sources to rice plants during the next growing season and initiate new infections.
Related Questions on Plant Pathology
Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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