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Pathology
Preliminary Screening of Chickpea
Genotypes for Resistance to Narrow
Leaf Disease (Bean Yellow Mosaic
Virus) in the Punjab
Kuldip Singh, Daljeet Singh, and Sarvjeet Singh
(Punjab Agricultural University, Regional Research
Station, Faridkot 151 203, Punjab, India)
In some chickpea varietal trails conducted at the Punjab
Agricultural University, Regional Research Station,
Faridkot, during the postrainy season 1998-99, leaflets
of top leaves of many genotypes became narrow. The
leaves below the affected branches showed yellowing or
interveinal chlorosis or mosaic depending on the genotype,
and the overall heights of the affected plants were
Figure 1. Narrow leaf disease of chickpea.
reduced. Such plants produced a very few distorted
flowers that developed into very small pods, and seeds
from infected plants were black, small, and shriveled.
These were the symptoms of narrow leaf disease (Fig. 1)
and this is the first record of this disease on chickpea
from Punjab. Similar symptoms of narrow leaf disease
on chickpea have been reported by Chalam (1982) from
Andhra Pradesh.
Dafallah and Hussein (1994) reported that bean yellow
mosaic potyvirus (BYMV) was the most common mechanically
transmitted virus detected on chickpea in Sudan.
Mouhanna et al. (1994) conducted serological (ELISA)
tests and concluded that BYMV commonly occurred on
chickpea in Syria. Later, Makkouk et al. (1995) also
observed natural occurrence of bean yellow mosaic
potyvirus on chickpea and faba bean in Sudan. Recently,
Quizbouben and Fortass (1997), on the basis of serological
tests using polyclonal antisera and monoclonal antibody,
found that BYMV was present on chickpea in Morocco.
The incidence of this disease per field was 83%. This is
the first report of BYMV occurrence on chickpea in
ICPN 7, 2000 11