Squash mosaic virus

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Squash mosaic virus
Squash Squash mosaic virus.jpg
Scientific Classification
Family: Comoviridae
Genus: Comovirus
Species: Alfalfa mosaic virus

Squash mosaic

Squash mosaic virus

Squash mosaic virus (SqMV) is a plant pathogenic virus of the family Comoviridae. It is a seed-borne virus in melons and is transmitted by the cucumber beetle vector.[1]


Symptoms consist of a pronounced chlorotic mottle, green veinbanding, and distortion of leaves of young seedlings. On mature plants, leaves show intense dark green mosaic, blistering, and hardening, suggestive of a hormonal herbicide effect. Infected fruit coming from such plants show a strong mottled pattern with a lack of netting on melons.[1]


Control measures include selection of disease-free seed and cucumber beetle control.[1]



  1. a b c Zitter, T.A. and Banik, M.T. (1984). Virus Diseases of Cucurbits. Vegetable MD Online. Cornell University, Ithaca, NY. Retrieved: 2010-12-23.