Question:
Downy mildew, ergot, smut and rust are major diseases of which crop?
Downy mildew, ergot, smut and rust are major diseases of which crop?
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Pearl Millet (Bajra) Disease Complex: Downy Mildew (Green Ear), Ergot (toxic alkaloids), Smut, and Rust.
Updated On: Sep 4, 2026
- Wheat
- Pearl millet
- Rice
- Maize
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Crop pathology identifies key characteristic fungal pathogen complexes and epidemics affecting major cereal crops.
Step 2: Detailed Explanation:
Pearl Millet (Bajra, Pennisetum glaucum) is susceptible to a diagnostic complex of devastating fungal diseases:
1. Downy Mildew (Green Ear Disease): Caused by Sclerospora graminicola.
2. Ergot: Caused by Claviceps fusiformis (produces honeydew and toxic sclerotia).
3. Smut: Caused by Tolyposporium penicillariae.
4. Rust: Caused by Puccinia substriata.
Step 3: Final Answer:
Hence, these are major diseases of Pearl millet, corresponding to option (B).
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