1
The causal organism of Inflorescence blight disease of marigold is.
EXPLANATION
Marigold & Jasmine Production Technology
- Inflorescence Blight in Marigold (Tagetes spp.):
- devastating floral disease caused by the fungal pathogen Alternaria zinniae (along with Alternaria tagetica).
- Induces circular brown to black necrotic spots on ray florets, pedicels, and involucral bracts, which rapidly coalesce under humid conditions to cause complete blighting and rotting of flower heads.
- Correct Option: Option 2 (Alternaria zinnae).
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