Definition
Feathery mottle is a disease symptom comprising light and dark areas in an irregular pattern that resembles feathers or feathering, usually caused by a virus; often used interchangeably with mosaic.
Symptoms of dasheen mosaic on taro (Colocasia esculenta ), caused by dasheen mosaic virus. Affected leaves often have veins that assume a feathery mottle appearance.
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 Feathery mottle symptoms on a taro (Colocasia esculenta) leaf with dasheen mosaic disease, caused by the plant-pathogenic virus, Dasheen Mosaic Virus. |