Barley yellow dwarf virus

Family   : Luteoviridae
Genus    : Luteovirus
Acronym  : BYDV

Introduction

Barley yellow dwarf is a plant disease caused by the Barley yellow dwarf virus, and is the most widely distributed viral disease of cereals. It affects the economically important crop species barley, oats, wheat, maize, triticale and rice.

Major Diseases

Chlorotic ring spots Disease./Stunned Disease

Geographical Distribution

Andhra Pradesh, Central Himalayas, Garhwal Hills, Karnataka, Uttar Pradesh.

Particle Morphology

A virus with isometric particles 20-24 nm in diameter.

Transmission Method

Transmitted by a aphid vector(Myzus persicae, Schizaphis graminum, Rhopalosiphum maidis (Fitch)) in a persistent manner.

Detection

Reverse transcription-polymerase chain reaction (RT-PCR) is used for detection of virus.

Host Range and Symptomatology ShowHide

Host	Symptoms
Chickpea	Stunted growth.
Wheat	Stunted growth.
Oryza sativa	Yellow to orange leaves.
legumes & cereals	Leaf chlorosis.

References ShowHide

1	Barley yellow dwarf virus. [Distribution map].. 1969, Distribution Maps of Plant Diseases, June (Edition 4), pp Map 332.
2	Kulkarni, S. ; Hegde, R. K., Reaction of wheat varieties to barley yellow dwarf disease.. 1983, Plant Pathology Newsletter, 1, 1, pp 11-Dec.
3	Naidu, R. A. ; Mayo, M. A. ; Reddy, S. V. ; Jolly, C. A. ; Torrance, L., Diversity among the coat proteins of luteoviruses associated with chickpea stunt disease in India.. 1997, Annals of Applied Biology, 130, 1, pp 37-47.