Materials 4 Composite materials 3 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 3 Plant Breeding and Genetics 3 Biotechnology 2 Cell, Tissue and Embryo Manipulation, (New June 2002) 2 Ceramic materials 2 Electronics 2 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 2 Genetic engineering 2 Genetic markers 2 Genetically engineered organisms 2 Genomics 2 History 2 Horticultural Crops, (New March 2000) 2 In vitro Culture of Plant Material 2 In vitro culture 2 Micropropagation 2 Nanostructured materials 2 Tissue culture 2 Transgenic plants 2 Actinidia 1 Anacardium occidentale 1 Analysis 1 Ananas comosus 1 Annona 1 Apples 1 Architecture 1 Artocarpus 1 Averrhoa carambola 1