see also

Removing Barriers to Invasive Plants Managment in Africa(RBIPMA)

Nile Valley Res sea regional program

Rural Capacity Building Project (RCBP)

Sorgum and millet

Farmer Research Group

 

PROJECT NEWS

Dr. Hailu Tefera has worked on tef (the Ethiopian staple cereal) improvement beginning from his first employment at Debre Zeit Agricultural Research Center (DZARC) in 1982 until he left in January 2007. Spending more than two decades of research on a crop that was not a favorite research material to many rserachers, in most of the years as National Coordinator, manifests Hailu’s extraordinary tenacity and dedication. Hailu’s outstanding meritorious achievements include: released nine tef varieties under his leadership; made more than 100 tef cross-combinations (note that tef hybridization is tedious!), developed homozygous lines derived thereof, on which the tef improvement work in all over the country relies on; authored/coauthored more than 60 publications on tef (of these, 37 were published in internationally reputed peer-reviewed Journals that included Science, Food policy, Theoretical & Applied Genetics, Hereditas, Crop Science, Genome, BMC plant Biology, and Euphytica among others); and has immensely contributed to agriculture education in Ethiopia through teaching, advisorship and sitting in Examination Boards for Masters and Doctoral programs.

Dr. Hailu has also been receiving funds from external donors. Using the competitive grant he (as Principal Investigator) secured for three phases (since 1995) from the McKnight Foundations Collaborative Crop Research Program in tef (MF-CCRP), Hailu has expanded the horizon of tef research that made the crop to join in the forefront of scientific research. Through this project, in collaboration with Cornell University, the most outstanding achievements have been the following: a) The release from a targeted cross of the variety “Quncho”, b) molecular characterization of tef genetic resources, c) construction of the tef linkage-map, d) organization of the first international tef workshop, e) construction of the molecular database of tef. In this project, the tireless and lead efforts of Hailu have contributed to the capacity building of DZARC, and other EIAR and Regional Centers involved in tef research. Notable among others are the training of 2 PhDs, 8 MScs, and several short-term training for technical assistants. It is because of the leadership trust Hailu has created on MF-CCRP that led to the expansion of the project by including finger millet in three countries (Kenya, Uganda, Ethiopia) under the title “Genetic improvement technology dissemination and seed system development in African Chloride cereals”.

The Advisory Committee (AC) for the tef component of the African Chloridoid Cereals project acknowledges, with the highest regard, and would like to record the exemplary contribution and leadership of Dr. Hailu in the MF-CCRP for more than a decade. The project has been one of the most successful, transparent, externally funded projects in the EIAR. Hailu is now Soybean breeder for sub-Saharan Africa, stationed at Malawi, International Institute of Tropical Agriculture. The AC would like to express its best wishes, however belatedly, to Dr. Hailu Tefera in his new position.

The Advisory Committee
MF-CCRP, African Chloridoid Cereals
Ethiopian Institute of Agricultural Research

 

 

 

Breeding and Genetic Basis of Tef [Eragrostis tef (Zucc.) Trotter] Improvement in Ethiopia

The growing population of Ethiopia, which is now estimated more than 70 million, coupled with deteriorating environmental conditions for other cereals, is posing an ever-increasing demand for tef. Increasing tef productivity in the various agro-ecologies of Ethiopia is therefore the primary goal of the National Tef Research Project. Because its importance as a grain crop is mainly of local importance, and only a handful of scientists are involved, tef has lagged behind in benefiting from the state-of-the-art scientific research.

OBJECTIVE

The overall objectives of this research and training program are a) genetic improvement of tef to increase its yield potential, b) improve lodging resistance, c) develop a genetic link between tef and model crop species through the use of comparative genomics, and d) upgrade the knowledge of tef researchers through long and short-term trainings.

METHODOLOGY

Through this project, both conventional breeding works to develop suitable tef varieties for the various agro-ecologies and generation of basic knowledge through molecular studies has been carried out. We have done several crosses, including interspecific ones, and developed recombinant inbred lines for the purposes of molecular characterization, linkage-map construction, QTL identification and agronomic evaluations. Participatory breeding approaches are also being used to disseminate seeds of already released varieties and, on those tef materials that are in advanced performance testing stages, to shorten the variety development duration and speed up their dissemination afterwards.

PUBLICATION THESIS

Elizabeth V. Graznak
2003. Identification of Agronomic Traits Associated with Quantitative Trait Loci in a Recombinant Inbred Line of Tef (Eragrostis tef). MSc Thesis, Cornell University, USA.
Fisseha Worede
2003. Association among yield and yield related traits in recombinant inbred lines of an interspecific cross Eragrostis tef x Eragrostis pilosa. MSc Thesis. Alemaya University, Dire Dawa, Ethiopia.

JOURANL ARTICLES

Mulu Ayele
1999. Genetic diversity in tef [Eragrostis tef (Zucc.) Trotter] for osmotic adjustment, root traits, and Amplified Fragment Length Polymorphism. PhD Thesis. Texas Tech University, Lubbock, USA.
Tesfaye Teferra
1997. The influence of low moisture stress on physiological traits, yield and yield components of tef (Eragrostis tef). M.Sc.Thesis, Alemaya University of Agriculture, Dire Dawa, Ethiopia.
Tiruneh Kefyalew
1999. Assessement of genotype x environment interaction for yield and yield-traits in tef (Eragrostis tef) genotypes. MSc Thesis. Alemaya University of Agriculture, Dire Dawa, Ethiopia.JOURNAL ARTICLES
Assefa, A., S. Ketema, H. Tefera, T.Kefyalew & F. Hundera.

2000. Trait diversity, heritability and genetic advance in selected germplasm lines of tef [Eragrostis tef (Zucc.) Trotter]. Hereditas 133:29-37.
Assefa, K., S. Ketema, H. Tefera, H. T. Nguyen, A.Blum, M. Ayele, G. Bai, B. Simane & T. Kefyalew. 1999. Diversity among germplasm lines of the Ethiopian cereal tef [Eragrostis tef Zucc.)Trotter]. Euphytica 106:87-97.
Ayele, M., H. Tefera, K. Assefa & Henry T. Nguyen.

1999. Genetic characterization of two Eragrostis species using AFLP and morphological traits. Hereditas 130: 33-40.
Ayele, M. & H. T. Nguyen
2000. Evaluation of amplified fragment length polymorphism markers in tef, Eragrostis tef (Zucc.) Trotter, and related species. Plant Breed. 119:403-410.
Bai, G., Hailu Tefera, Mulu Ayele & H. T. Nguyen
1999. A genetic linkage map of Tef [Eragrostis tef (Zucc.) Trotter] based on amplified fragment length polymorphism. Theor. Appl. Genet. 99:599-604.
Bai, G., Mulu Ayele, Hailu Tefera & H. T. Nguyen.
1999. Amplified Fragment Length Polymorphism Analysis of Tef [Eragrostis tef (Zucc.) Trotter]. Crop Sci. 39:819-824.

Bai, G., Mulu Ayele, Hailu Tefera & Henry T. Nguyen.
2000. Genetic diversity in tef [Eragrostis tef (Zucc) Trotter] and its relatives as revealed by Random Amplified Polymorphic DNAs. Euphytica 112: 15-22.
Hailu Tefera
2002. Inheritance of morphological and agronomic traits in tef (Eragrostis tef). J. Genet. & Breed. (In Press).
Kebebew, A., Hailu Tefera, A. Merker, T. Kefyalew & F. Hundera.
2001. Variability, heritability and genetic advance in pheno-morphic and agronomic traits of tef [Eragrostis tef (Zucc.) Trotter germplasm from eight regions of Ethiopia. Hereditas 134:103-113.
Tefera, H., K. Assefa & G. Belay.
2003. Evaluation of interspecific recombinant inbred lines of Eragrostis tef x E. pilosa. J. Genet. Breed. 56: (In press).
Teferra, T., H. Tefera, B. Simane & M. Tuinstra.
2000. The effect of moisture stress on growth, leaf water loss rate and phenological development of tef (Eragrostis tef). Tropical Sci. 40:100-107.
Teferra, T., H. Tefera, B. Simane & M. Tuinstra
2000. The influence of drought stress on yield of tef (Eragrostis tef). Tropical Sci. 40:40-45.
Tefera, H., K. Assefa, F. Hundera, T. Kefyalew & T. Teferra.
2003. Heritability and genetic advance in recombinant inbred lines of tef. Euphytica 131: 91-96.
Zhang, D., M. Ayele, H. Tefera & H. T. Nguyen.
2001. RFLP linkage map of the Ethiopian cereal tef [Eragrostis tef (Zucc.) Trotter]. Theor. Appl. Genet. 102: 957-964.

 

... Leading the Agriculture
to Lead the Economy




TEAM MEAMBERS

PRINCIPAL INVESTIGATOR
Dr. Hailu Tefera, Debre Zeit Research Center, EIAR,
E-mail tefres@telecom.net.et

COLLABORATORS

Prof. Mark Sorrells, Cornell University, USA,
Email: mes12@cornell.edu

TEAM MEMBERS

Dr. Getachew Belay, EIAR/DZARC, Postdoctoral Research Associate
Dr. Ju Kyung, Cornell University, Postdoc
Solomon Chanyalew, EIAR/MARC, PhD student
Aderajew Haddis, TARI/MARC, PhD student
Tadelle Tadesse, EIAR/HARC, MSc student
Chimdo Anchala, EIAR/MARC, MSc student, and
Tef researchers at Adet, Debre Zeit, Holetta, Melkassa and Mekelle Research Centers.

Dr Berhanu Shilima

POB 35, Adami Tulu Research Center, Zeway, Ethiopia
Phone/Fax: 251 06 413230
E-mail: atarc@ethionet.et

PARTNER INSTITUTION/FUNCING ORGANIZATIONS

Ethiopian Institute of Agricultural Research (EIAR)
Cornell University, USA
Adet, Debre Zeit, Holetta, Melkassa and Mekelle Agricultural Research Centers

FUNDING ORGANIZATIONS

The McKnight Foundation, Collaborative Crop Research Program.
710 Second Street South, Minneapolis, Minnesota 5501.
Web: http://www.mcknight.orgBOOK

BOOKS

Hailu Tefera, Getachew Belay and Mark E. Sorrells (Eds.).

2000. Narrowing the Rift: Tef Research and Development. Proceedings of an International Workshop on Tef Genetics and Improvement, 16 -19 October 2000, Addis Ababa. earo, Addis Ababa.

DURATION

1995–2006

SEE ALSO

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