Mung bean yellow mosaic virus

Family   : Geminiviridae
Genus    : Begomovirus
Acronym  : MYMV

Introduction

Mung bean yellow mosaic virus is a serious threat to the cultivation of grain legumes such as black gram, green gram, horse gram ,red gram, cowpea, moth bean, soybean etc. It is wide spread in India and other countries. Many variants of the virus casing different symptoms are reported. These are plant viruses which have single-stranded circular DNA genomes.

Major Diseases

Yellow mosaic disease

Geographical Distribution

Wide spread in India.

Particle Morphology

A virus with geminate particles, 30 x 18 nm, containing two species of circular single-stranded DNA.

Transmission Method

Transmitted by a whitefly vector Bemisia tabaci in a persistent manner. Virus not transmitted by mechanical inoculation; not by seed.

Detection

PCR and ELISA

Host Range and Symptomatology

Host	Symptoms
Vigna mungo	Yellow specks or spots and irregular blotching of leaves; slight leaf malformation.
V. radiata	Yellow specks or spots and irregular blotching of leaves; slight leaf malformation.
Phaseolus atropurpureus	Yellow specks or mosaic.
Glycine max (soybean)	Yellow specks or spots and irregular blotching of leaves; slight leaf malformation.
Cajanus Cajan (red gram)	Yellow specks or spots and irregular blotching of leaves; slight leaf malformation.
Phaseolus vulgaris (french bean)	Yellow specks or spots and irregular blotching of leaves; slight leaf malformation.

References

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