What is the causal organism of yellow vein mosaic of Bhindi?
This disease is caused by a complex consisting of the monopartite begomovirus Bhendi yellow vein mosaic virus (BYVMV, family: Geminiviridae) and a small satellite DNA beta component. BYVMV can systemically infect bhendi upon agroinoculation but produces only mild leaf curling in this host.
Who has discovered yellow vein mosaic virus for the first time?
35.3. 3 Bhendi yellow vein mosaic virus. BYVMV was first reported by Kulkarni (1924) from Mumbai, India. This virus has been reported in Bangladesh, India, Pakistan, Thailand, Sri Lanka, and China on okra plants (Kulkarni, 1924; Tsai et al., 2013).
What is mosaic formation?
Mosaic formation is the presence of some light and dark green patches in the leaves of plants which is mainly caused by the viral diseases. Leaf rolling is curving the leaves of plants outwards. Due to some diseases the plant which is mostly green in color gets converted into the yellow color plant.
Which diseases can be seen in citrus and Bendi?
Citrus: Diseases and Symptoms
- Citrus scab.
- Citrus canker.
- Citrus tristeza disease.
- Greening or Huanglongbing.
- Sooty mould.
- Powdery mildew.
What does mosaic virus do?
THE TOBACCO MOSAIC VIRUS
Tobacco mosaic virus causes a mottled browning of tobacco leaves, and accordingly is of major economic importance. It also infects other crops, most notably tomatoes. The virus is spread mechanically from infected plants to scratched or damaged leaves of normal plants.
Which crop is generally affected by mosaic disease?
Mosaic, plant disease caused by various strains of several hundred viruses. A number of economically important crops are susceptible to mosaic infections, including tobacco, cassava, beet, cucumber, and alfalfa.