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Diseases and Disorders of Camellias

Diseases and Disorders of Camellias. David M. Ingram Extension/Research Professor Central MS Research & Extension Center Raymond, Mississippi. Nicely Landscaped Home. Plant Disease.

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Diseases and Disorders of Camellias

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  1. Diseases and Disorders of Camellias David M. Ingram Extension/Research Professor Central MS Research & Extension Center Raymond, Mississippi

  2. Nicely Landscaped Home

  3. Plant Disease • A condition in a plant caused by a biotic (living) or abiotic (nonliving) factor resulting in an economic or aesthetic concern • Or a malfunctioning plant

  4. Biotic Causes • Fungi • Bacteria • Phytoplasmas • Viruses • Nematodes • Parasitic higher plants

  5. Abiotic Causes • Site disturbance - soil removal, addition, compaction • Anoxia - excess soil moisture • Drought injury • Cold injury • Chemical injury • Lightning • Excessive levels of fertilizers • Other factors

  6. Camellia Leaf Gall

  7. Camellia Leaf Gall

  8. Anthracnose

  9. Camellia Virus ?

  10. Camellia Virus ?

  11. Camellia Virus ?

  12. Camellia Bud Blight

  13. Camellia Flower Blight

  14. Camellia Flower Blight

  15. Fungicides for Camellia Fungal Diseases • Dithane (mancozeb) • Cleary’s 3336 (thiophanate methyl)

  16. Oedema

  17. Oedema

  18. Phytophthora Root Rot

  19. Sudden Oak Death

  20. Sudden Oak Death

  21. Armored Scale

  22. Tea Scale

  23. Tea Scale

  24. Parasitic Algae

  25. Parasitic Algae

  26. Questions ??

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