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ICARDA News International Center for Agricultural Research in the Dry Areas P.O. Box 5466, Aleppo, Syria Phone: (963-21) 2213433, 2213477, 2225112, 2225012 Fax: (963-21) 2213490, 2225105; E-mail: ICARDA@CGIAR.ORG Website: www.icarda.org
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Advanced
Faba Bean Lines Identified with
Combined Resistance to Chocolate Spot and Ascochyta Blight |
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| Faba
bean (Vicia faba) is adversely affected by numerous fungal diseases
that vary in incidence and severity from region to region. Both Ascochyta
blight (Ascochyta fabae) and chocolate spot (Botrytis fabae) limit
faba bean productivity and production in countries in the Mediterranean
regions, China, Latin America, China, Ethiopia, and Australia. ICARDA has a global mandate for faba bean, and it also houses the largest germplasm collection of faba bean. Breeding activities are conducted in cooperation with National Agricultural Research Systems and Advanced Research Institutes. Breeding for combined resistance to Ascochyta blight and chocolate spot is one of the main objectives of faba bean breeding at ICARDA. A total of 670 F6 lines originating from five different populations developed from 90 different crosses were planted with repeated checks at Tel Hadya in the 2007/08 cropping season.
Last week a field visit was made to the disease screening nursery by Dr Maarten van Ginkel, DDG-Research of ICARDA with Drs Fouad Maalouf, Faba Bean Breeder, and Seid Kemal, Pulse Pathologist at Tel Hadya. During the visit, it was possible to identify promising lines resistant to Ascochyta blight and with good yielding ability. In addition to breeding for combined resistance, determinate type faba bean lines suitable for mechanization with tolerance to Ascochyta blight were also observed. |
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About
ICARDA: Established in 1977, ICARDA (www.icarda.org) is one of the 15
international research centers supported by the Consultative Group on
International Agricultural Research (CGIAR). ICARDA serves the entire
developing world for the improvement of barley, lentil, and faba bean;
and dry-area developing countries for the on-farm management of water,
improvement of nutrition and productivity of small ruminants (sheep and
goats), and rehabilitation and management of rangelands. In the Central
and West Asia and North Africa (CWANA) region, ICARDA is responsible for
the improvement of durum and bread wheats, chickpea, pasture and forage
legumes and farming systems; and for the protection and enhancement of
the natural resource base of water, land, and biodiversity.
The Consultative Group on International Agricultural Research (CGIAR)
(www.cgiar.org) is a strategic alliance of countries, international and
regional organizations, and private foundations supporting15 international
research centers that mobilizes cutting-edge science to promote sustainable
development by reducing hunger and poverty, improving human nutrition
and health, and protecting the environment.