List of coconut palm diseases

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This article is a list of diseases of coconut palms (Cocos nucifera).

Bacterial diseases[edit]

Coconut gone bad, the dark spots are very bitter and the whole meat has turned yellow. The first indication is a bitter taste of the water, this coconut should not be consumed.
Bacterial diseases
Bacterial bud rot Erwinia spp.

Fungal diseases[edit]

Fungal diseases
Algal leaf spot Cephaleuros virescens
Anthracnose

Glomerella cingulata
Colletotrichum gloeosporioides [anomorph]

Bitten leaf

Ceratocystis paradoxa
Chalara paradoxa [anomorph]

Bipolaris leafspot Bipolaris incurvata
Black scorch

Ceratocystis paradoxa
Chalara paradoxa [anomorph] Thielaviopsis paradoxa

Bud rot

Phytophthora palmivora
Phytophthora heveae
Phytophthora katsurae
Phytophthora nicotianae
Fusarium moniliforme
Fusarium solani
Graphium sp.

Catacauma leaf spot Catacauma mucosum
Damping-off

Fusarium spp.
Phytophthora spp.
Pythium spp.
Rhizoctonia solani

Dry basal rot

Ceratocystis paradoxa
Thielaviopsis paradoxa [anomorph]

Ganoderma butt rot

Ganoderma boninense
Ganoderma tornatum
Ganoderma zonatum

Graphiola leaf spot Graphiola phoenicis
Gray leaf blight Pestalotiopsis palmarum
Koleroga Phytophthora arecae
Leaf blight Cytospora palmarum
Leaf spots

Alternaria sp.
Botryosphaeria disrupta
Capitorostrum cocoes
Cercospora sp.
Curvularia lunata
Cylindrocladium pteridis
Drechslera gigantea
Drechslera halodes
Epicoccum nigrum
Helminthosporium sp.
Macrophoma sp.
Macrosporium cocos
Melanconium sp.
Mycosphaerella palmicola
Periconiella cocoes
Pseudoepicoccum cocos
Phomopsis sp.
Phyllosticta palmetto
Ramularia necator

Lethal bole rot Marasmiellus cocophilus
Lixa grande Sphaerodothis acrocomiaeCoccostromopsis palmicola
Lixa pequena Phyllachora torrendiellaCamarotella torrendiella
Nut fall

Phytophthora arecae
Phytophthora palmivora
Phytophthora katsurae
Phytophthora nicotianae
Fusarium moniliforme
Graphium sp.

Powdery mildew Oidium sp.
Queima das folhas

Botryosphaeria cocogena
Lasiodiplodia theobromae [anomorph]

Root rot

Fusarium spp.
Phytophthora spp.
Pythium spp.
Rhizoctonia solani

Stem bleeding

Ceratocystis paradoxa
Chalara paradoxa Thielaviopis

Stigmina leaf spot
Stigmina palmivora
Thread blight

Pellicularia filamentosa
Pellicularia koleroga
Corticium penicillatum

Virus and viroid[edit]

diseases
Cadang-cadang Coconut cadang-cadang viroid
Foliar decay SS-DNA, identity uncertain
Tinangaja Coconut tinangaja viroid
Natuna wilt Not known
Premature decline Not known
Soccoro wilt Not known

Phytoplasmal diseases[edit]

A coconut palm with lethal yellowing
Phytoplasmal diseases
Awka disease Phytoplasma palmae
Blast Phytoplasma suspected
Cape St. Paul wilt Phytoplasma
Cedros wilt Phytomonas sp
Heart rot Phytomonas sp
Kaincope disease Phytoplasma
Kalimantan wilt Phytoplasma suspected
Kribi disease Phytoplasma
Lethal decline Phytoplasma
Lethal disease Phytoplasma
Lethal yellowing Phytoplasma
Pudricion del cogollo Phytoplasma
Root wilt disease Phytoplasma
Stem necrosis Phytoplasma suspected

Miscellaneous diseases and disorders[edit]

Miscellaneous diseases and disorders
Bristle top Not known
Dry bud rot Not known, but possibly vectored by the insects Sogatella kolophon and S. cubana (Tagosodes cubana
Finschafen disease Not known
Frond rot Physiological disorder
Leaf scorch decline Not known
Malaysia wilt Not known

Red ring disease Bursaphelenchus cocophilus (nematode)

Additional reading[edit]

  • Manimekalai, R. Soumya, V.P., Sathish Kumar, R., Selvarajan, R., Krishna Reddy, M., Sasikala, George V Thomas., Rajeev M and Baranwal, V.K. 2010. Molecular detection of 16Sr XI group Phytoplasma associated with Root (Wilt) Disease of coconut (Cocos nucifera L.) in India. Plant disease 94:636

References[edit]