Related by context. Frequent words. (Click for all words.) 66 stripe rust 64 leaf rust 62 nematode 61 downy mildew 60 sawfly 60 aphid 59 soybean aphids 59 whitefly 58 soybean aphid 58 rootworm 58 Bt toxin 58 insect pest 58 nematodes 57 anthracnose 57 Phytophthora 57 Culex tarsalis 57 bollworm 57 aphids 57 Soybean rust 57 fungus 56 stem rust 56 inoculum 56 protozoan 56 insect pests 56 insect 56 powdery mildew 55 armyworms 55 Aphids 55 pests 55 insect populations 55 fungal diseases 55 pathogen 55 fireweed 54 spider mites 54 whiteflies 54 Nematodes 54 psyllids 54 fungal pathogens 54 bluetongue virus 54 fungal spores 54 vetch 54 midge 54 fusarium 53 soybean rust 53 insects 53 Asian soybean rust 53 chinch bugs 53 thrips 53 fungal disease 53 mites 53 Migrating birds 53 European corn borer 53 cutworms 53 pigweed 53 mealybugs 53 glassy winged sharpshooter 53 resistant varieties 52 codling moth 52 Spores 52 Gypsy moths 52 pennycress 52 mealy bug 52 leaf curl 52 corn rootworm 52 adelgids 52 Fungal 52 nutrient uptake 52 varroa 52 insecticidal 51 invasive insect 51 Aedes aegypti mosquito 51 Emerald ash borer 51 nitrogen fixing 51 cereal crops 51 leafy spurge 51 Fusarium 51 Ug# 51 foliar 51 fireblight 51 herbicide tolerant 51 weevils 51 tsetse fly 51 tiger mosquito 51 spotted knapweed 51 fungi 50 microorganism 50 insect borne diseases 50 sentinel plots 50 Argentine ants 50 varroa mite 50 Hantavirus 50 mosquito populations 50 loosestrife 50 weevil 50 Aedes aegypti 50 Biosecurity Queensland 50 ryegrass 50 botrytis 50 herbicide resistant 50 Bacillus thuringiensis 50 Infestations