Root crops Tubers 4 Field Crops, (New March 2000) 3 Vegetables 3 Cereals 2 Fruit crops 2 Horticultural Crops, (New March 2000) 2 Ipomoea batatas 2 Legumes 2 Plant Breeding and Genetics 2 Plant Pests, (New March 2000) 2 Plant pests 2 Sweet potatoes 2 Taxonomy and Evolution 2 Tropical crops 2 Tuber Crops 2 Tuber crops 2 Alocasia macrorrhiza 1 Amorphophallus campanulatus 1 Ananas comosus 1 Arachis hypogaea 1 Bananas 1 Buib crops 1 Camellia sinensis 1 Cassava 1 Centres of diversity 1 Chemical control 1 Chromosomes 1 Citrus 1 Citrus fruits 1