Diseases and Disorders of Camellias

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

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Biotic Causes

• Fungi
• Bacteria
• Phytoplasmas
• Viruses
• Nematodes
• Parasitic higher plants

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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

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Camellia Leaf Gall
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Camellia Leaf Gall
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Anthracnose
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Camellia Virus ?
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Camellia Virus ?
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Camellia Virus ?
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(No Transcript)
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Camellia Bud Blight
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Camellia Flower Blight
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Camellia Flower Blight
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Fungicides for Camellia Fungal Diseases

• Dithane (mancozeb)
• Clearys 3336 (thiophanate methyl)

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Oedema
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Oedema
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Phytophthora Root Rot
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Sudden Oak Death
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Sudden Oak Death
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Armored Scale
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Tea Scale
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Tea Scale
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Parasitic Algae
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Parasitic Algae
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(No Transcript)
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Questions ??