Causative organism for Black Stem Rust of Wheat is :
A
Melanospora lini
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B
Claviceps purpurea
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C
Sclerospora graminicola
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D
Puccinia tritici
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Solution
The correct option is C Puccinia tritici
Stem rust (also known as black stem rust) is caused by Puccinia graminis f. sp. tritici. It is primarily a disease on wheat, though it can also cause minor infections on certain cultivars of barley and rye.