Sugarcane yellow leaf virus
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Author: Holkar et al.
Source: The Plant Pathology Journal (2020), 36, p. 538
Sugarcane yellow leaf virus (ScYLV)
This virus is widely distributed and associated with one form of the sugarcane yellow leaf syndrome. The symptoms include yellowing of the midrib of the leaves, followed by necrosis and drying of the leaves. It is transmitted in a persistent manner by various aphid species, like the sugarcane aphid. The disease can spread with infected aphids over several miles and long distances via the transport of infected cuttings. The incidence of virus infections in sugarcane fields can exceed 50% and losses in yield and sugar content of the cane may reach 40% (e.g. see Boukari et al., 2019).
| Vernacular names | |
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| • English: | Sugarcane yellow leaf virus |
| • Français: | virus de la feuille jaune de la canne à sucre |
ScYLV resides in the sieve tube companion cells. It is a positive sense polerovirus with a genome of 5.9 kb and six open reading frames. ORF0 encodes the P0 protein which is an RNA-silencing suppressor.
For a review see Holkar et al. (2020).
