Maize dwarf mosaic virus
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Maize dwarf mosaic virus
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Maize dwarf mosaic virus (MDMV) is a plant pathogenic virus that infects maize plants. It belongs to the genus Potyvirus within the family Potyviridae. MDMV is primarily transmitted by aphids in a non-persistent manner, meaning that the virus is not retained in the vector for an extended period.
Symptoms[edit | edit source]
Infected maize plants typically exhibit symptoms such as stunting, yellowing of leaves, mosaic patterns on the foliage, and reduced yield. These symptoms can vary depending on the maize variety and environmental conditions.
Transmission[edit | edit source]
MDMV is primarily transmitted by aphids, particularly species in the genera Rhopalosiphum and Myzus. The virus can also be mechanically transmitted through the use of contaminated tools during agricultural practices.
Management[edit | edit source]
Management strategies for MDMV include the use of resistant maize varieties, controlling aphid populations through insecticides or natural predators, and practicing good sanitation to prevent the spread of the virus.
Prevention[edit | edit source]
Preventative measures for MDMV include planting certified virus-free seeds, monitoring and controlling aphid populations in and around maize fields, and implementing crop rotation practices to reduce the buildup of the virus in the soil.
Research[edit | edit source]
Ongoing research on Maize dwarf mosaic virus focuses on understanding the molecular mechanisms of virus-host interactions, developing novel control strategies, and improving diagnostic methods for early detection of the virus in maize crops.
See also[edit | edit source]
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Contributors: Prab R. Tumpati, MD
