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Diseases and Disorders of Camellias - PowerPoint PPT Presentation


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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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slide1

Diseases and Disorders of Camellias

David M. Ingram

Extension/Research Professor

Central MS Research & Extension Center

Raymond, Mississippi

plant disease
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
biotic causes
Biotic Causes
  • Fungi
  • Bacteria
  • Phytoplasmas
  • Viruses
  • Nematodes
  • Parasitic higher plants
abiotic causes
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
slide15

Camellia

Flower

Blight

slide16

Fungicides for Camellia Fungal Diseases

  • Dithane (mancozeb)
  • Cleary’s 3336 (thiophanate methyl)