Horticultural crops :: Flowers :: Jasmine
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Cercospora leaf spot – Cercospora jasminecola
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Alternaria leaf spot – Alternaria jasmini, A. altenata
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Collar rot and Root rot – Sclerotium rolfsii
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Phyllody – Phytoplasma
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Cercospora leaf spot – Cercospora jasminicola
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Symptoms:
Management:
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Alternaria leaf blight – Alternaria jasmini, A. alternata
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Symptoms:
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In the leaves dark brown spots appear.
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On fumed condition the spots enclanges covering larges area causing blighting of leaves.
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Concentric rings can be seen the lesions. The disease also affects stem, petiole and flowers.
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Management:
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Collar rot and Root rot – Sclerotium rolfsii
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Symptoms
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Plants at all stages are infected. First the older leaves become yellow followed by younger leaves and finally death of the plant.
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In the root black discoloration can be seen.
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On the infected tissues and stem surface white strands of mycelia and mustard like sclerotia are seen.
Management:
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Phyllody – Phytoplasma
Symptoms:
Management:
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