Narcissus tip necrosis virus explained

Narcissus tip necrosis virus (NTNV) is a plant pathogenic virus of the family Tombusviridae, which infects plants of the genus Narcissus, the only known host.^[1]

Description

NTNV disease appears after flowering with large necrotic lesions which appear first near the leaf tips ('tip necrosis').^[1]

Taxonomy

Narcissus tip necrosis virus was isolated in 1972.^[1] At the 1987 ICTV meeting, that proposed the genus Carmovirus, Narcissus tip necrosis virus was listed as a 'tentative' member^[2] but as of the 2013 release^{[3] [4]} it has still not been officially accepted. Note that the ICTV does not track tentative members,^[5] so there are no further records in their databases, though still listed as tentative in the current Ninth Report (2009).

External links

• ICTVdB Index of Viruses 2002. Tombusviridae
• Eighth Report of the ICTV, 2005. p. 926

Notes and References

1. http://www.dpvweb.net/dpv/showdpv.php?dpvno=166 W. P. Mowat, C. J. Asjes, A. A. Brunt.Narcissus tip necrosis virus. Descriptions of Plant Viruses. September 1976
2. http://ictvonline.org/proposals/Ratification_1987.pdf MINUTES OF THE 7th MEETING OF THE ICTV EDMONTON, CANADA, 12th AUGUST 1987
3. http://ictvdb.bio-mirror.cn/ICTVdB/00.074.0.82.018.htm ICTVdB Management (2006). 00.074.0.82.018. Narcissus tip necrosis virus. In: ICTVdB - The Universal Virus Database, version 4. Büchen-Osmond, C. (Ed), Columbia University, New York, USA
4. http://ictvonline.org/taxonomyHistory.asp?taxnode_id=20133341&taxa_name=Carmovirus ICTV Taxonomy History for Carmovirus
5. http://ictvonline.org/taxonomyReleases.asp ICTV Taxonomy Release History