DNA Markers and Breeding for resistance to Ascochyta Blight in Chickpea
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Citation
Udupa, S. M. and F. Weigand (ed. ). 1997. DNA Markers and Breeding for Resistance to Ascochyta Blight in Chickpea. Proceedings of the Symposium on -Application of DNA Fingerprinting for Crop Improvement: Marker-assisted Selection of Chickpea for Sustainable Agriculture in the Dry Areas, " 11-12 April 1994, Aleppo, Syria. ICARDA, Aleppo, Syria, vii + 222 pp.
Abstract
In recent years the use of DNA markers has fostered a better understanding
of plant pathogen populations and quickened practical plant breeding, including
breeding for biotic stresses. However, many markers used in crops
such as maize, rice, and Brassica spp. are ineffective in detecting polymorphism
in chickpeas and its pathogens, such as Ascochyta rabiei (Pass.) Lab.
Our collaborative project with NARS and the University of Frankfurt shows
that microsatellite markers solve this problem.
A symposium on "Application of DNA Fingerprinting in Crop Improvement:
Marker-assisted Selection of Chickpeas for Sustainable Agriculture in the Dry
Areas" was held at lCARDA, Aleppo, Syria for the purpose of reviewing recent
achievements and formulating new strategies for our collaborative research.
Consultants from various disciplines, including chickpea breeding
and pathology also took part.
During the symposium, it became clear that there is tremendous potential
for the use of microsatellite markers in chickpea resistance breeding, as well
as in the population genetics of pathogens. Future research should focus on
pyramiding resistance genes to improve resistance in chickpeas, in which
DNA markers could play a major role.
