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Biology and management of sugarcane yellow leaf virus: an historical overview

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Title Biology and management of sugarcane yellow leaf virus: an historical overview
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Creator Abdelaleim Ismail ElSayed, Ewald Komor, Moncef Boulila, Rasappa Viswanathan, Dennis C Odero
 
Subject sugarcane, Sugarcane yellow leaf virus (SCYLV), SCYLV genotypes, (BRA, CHN1, CHN3, CUB, HAW, IND, PER, and REU)
 
Description Not Available
Sugarcane yellow leaf virus (SCYLV) is one of the most widespread virus diseases affecting sugarcane worldwide. The virus has been responsible for drastic economic losses in most sugarcane growing regions and remains a major concern for sugarcane breeders. Symptoms are characterized by intense yellowing of the midrib, which extends to the leaf blade followed by tissue necrosis from the leaf tip towards the leaf base. Such symptomatic leaves are usually characterized by increased respiration, reduced photosynthesis, a change in the ratio of hexose to sucrose, and an increase in starch. Viral infection often affects carbon assimilation and metabolism in host plants. Sugarcane growth is always stunted in severe infections. SCYLV is mainly propagated by planting cuttings from infected stalks. Phylogenetic analyses have confirmed the worldwide distribution of at least eight SCYLV genotypes (BRA, CHN1, CHN3, CUB, HAW, IND, PER, and REU). Evidence of the recombination has been found in the SCYLV genome which contains potential recombination signals in the ORF1/2 and ORF5. This shows that recombination plays an important role in the selection pressure on SCYLV
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Date 2021-08-28T10:00:44Z
2021-08-28T10:00:44Z
2015-12-01
 
Type Review Paper
 
Identifier 27
0304-8608
http://krishi.icar.gov.in/jspui/handle/123456789/60926
 
Language English
 
Relation Not Available;
 
Publisher Springer Vienna