Journal Article 900 Subject Areas Causal Agent 806 Crop Type 754 Pathogen detection 592 Fungi 552 Field crops 196 mehr ... Fruit 173 Ornamentals 168 Etiology 167 Vegetables 124 Epidemiology 117 herbaceous/flowering plants 109 Viruses and viroids 108 tree fruits 102 Trees 93 Disease management 85 disease development and spread 81 Prokaryotes 77 Pathogen diversity 64 other 61 Tropical plants 55 cereals and grains 44 small fruits 44 Yield loss and economic impacts 38 oilseeds and legumes 37 forest 34 Oomycetes 33 Nematodes 32 ornamentals 31 weniger ...