Carnation necrotic fleck virus

Family   : Closteroviridae
Genus    : Closterovirus
Acronym  : CNFV

Introduction

Carnation necrotic fleck virus (CNFV) is a plant pathogenic virus belongs to Closterovirus the genus infect only species of Caryophyllaceae. carnation yellow fleck virus, carnation streak virus are few strains usually seen.

Major Diseases

Necrotic fleck Disease

Geographical Distribution

Himachal Pradesh.

Particle Morphology

Flexuous virus particles of about 1400 to 1500 nm long.

Transmission Method

Transmitted by a vector Myzus persicae, Aphis craccivora and Aphis gossypii(Aphididae) in a semi-persistent manner; transmitted by mechanical inoculation (with difficulty); not transmitted by contact between plants.

Detection

DAS-ELISA and RT-PCR

Host Range and Symptomatology ShowHide

Host	Symptoms
Dianthus caryophyllus ,D. chinensis ,D. barbatus	Mottling, vein clearing, flecking, grey streaks or red necrotic flecks.

References ShowHide

1	Carnation necrotic fleck virus. [Distribution map].. 2009, Distribution Maps of Plant Diseases, April, pp Map 1049 (Edition 1).
2	Raikhy, G. ; Hallan, V. ; Kulshrestha, S. ; Sharma, M. L. ; Raja Ram ; Zaidi, A. A., First report of Carnation necrotic fleck virus (CNFV) infecting carnations in India.. 2003, Plant Pathology, 52, 6, pp 801.