african cassava mosaic virus african cassava mosaic virus african cassava mosaic virus (acmv, ictv approved acronym) is a plant pathogenic virus of the family geminiviridae that may cause either a mosaic appearance to plant leaves, or chlorosis (a loss of chlorophyll). in manihot esculenta (cassava), the most produced food crop in africa, the virus causes severe mosaic. cassava is a staple food crop in many places throughout the tropics and subtropics as a source of carbohydrates, but the transmission and severity of disease for cassava in africa is greatest with acmv. african cassava mosaic virus virus classification (unranked): virus realm: monodnaviria kingdom: shotokuvirae phylum: cressdnaviricota class: repensiviricetes order: geplafuvirales family: geminiviridae genus: begomovirus species: african cassava mosaic virus synonyms cassava latent virus cassava mosaic virus cassava african mosaic virus vectors african cassava mosaic virus is vectord by a whitefly, bemisia tabaci. impact acmv and cassava brown streak are the greatest drags on cassava in africa. control a transgenic cassava with tma12 donated from tectaria macrodonta would protect against the whitefly vector.