- Narrow distribution. Guam. On coconuts. An important disease. Thought to be caused by a viroid related to Coconut cadang-cadang viroid.
- Yellow spots on leaves, small seednuts, production slows, trunks taper, palm dies, taking up to 15 years.
- Impact high: import of coconuts for food and drink are high; lack of coconuts for landscaping schemes; loss of diversity.
- Spread maybe pollen, seednuts, or on tools.
- Biosecurity: follow the international guidelines for coconut (FAO).
- Cultural control: only take seed from areas free of the disease; treat tools with 10% bleach and 1% mineral oil; remove and burn infected trees; the variety Javanica Red Dwarf may have tolerance.
- Chemical control: none recommended.
Pacific Pests, Pathogens, Weeds & Pesticides - Online edition
Pacific Pests, Pathogens, Weeds & Pesticides
Coconut tinangaja (198)
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Summary
Common Name
Tinangaja, yellow mottle decline
Scientific Name
Coconut tinangaja viroid. The abbreviation is CTiVd.
AUTHOR Grahame Jackson
Information from CABI (2014). Coconut tinangaja viroid (yellow mottle decline). Crop Protection Compendium:. (https://www.cabi.org/cpc/datasheet/51521/); Cadang-cadang. Wikipedia. (https://en.wikipedia.org/wiki/Cadang-cadang). Photos 1-4 George Wall, formerly CALS/AES University of Guam.
Produced with support from the Australian Centre for International Agricultural Research under project PC/2010/090: Strengthening integrated crop management research in the Pacific Islands in support of sustainable intensification of high-value crop production, implemented by the University of Queensland and the Secretariat of the Pacific Community.
