Barley Wheat 4 Crop improvement 3 Field Crops, (New March 2000) 2 Hordeum vulgare 2 Plant Breeding and Genetics 2 Plant breeding 2 Triticum 2 Triticum aestivum 2 Agricultural Economics 1 Agricultural productivity 1 Agriculture 1 Amplified fragment length polymorphism 1 Arachis hypogaea 1 Biological Resources (Plant) 1 Biotechnology (General), (Revised June 2002) 1 Broad bean 1 CGIAR 1 Cassava 1 Characterization 1 Colocasia esculenta 1 Crop yield 1 DNA fingerprinting 1 DNA fingerprinting of plants 1 Doubled haploids 1 Field crops 1 Genetic markers 1 Groundnuts 1 Herbage legumes 1 Horticultural Crops, (New March 2000) 1