Related by context. Frequent words. (Click for all words.) 57 Phytophthora 56 nematodes 56 Nematodes 56 soybean aphid 55 downy mildew 55 sawfly 54 bollworms 54 fungal pathogens 53 leaf rust 53 insect pests 53 nematode 53 corn borer 53 European corn borer 52 rootworm 52 nutrient uptake 52 soybean varieties 52 insect pest 52 cutworms 51 aphids 51 fungal diseases 51 fungal disease 51 soybean aphids 51 corn rootworm 51 Aphids 50 pests 50 herbicide resistant 50 forage crops 50 resistant varieties 50 adelgids 50 stem rust 50 Bt toxin 50 whitefly 50 fungus 50 bollworm 49 crops 49 hay meadows 49 pest resistant 49 root rot 49 spider mites 49 mealybugs 49 stinkbugs 49 vetch 49 pennycress 49 whiteflies 49 nitrogen fixing 49 armyworms 49 foliar 49 phytate 49 insect populations 48 spotted knapweed 48 soil fertility 48 stripe rust 48 shelterbelts 48 insects 48 bioenergy crops 48 forage 48 powdery mildew 48 herbicide tolerant 48 anthracnose 48 funguses 48 chinch bugs 48 weed seeds 47 crop rotations 47 nutrient deficiencies 47 forbs 47 forages 47 broadleaf weeds 47 Soybean rust 47 Fruit flies 47 insecticidal 47 cereal crops 47 winterkill 47 crop yields 47 dryland wheat 47 fungi 47 aphid 47 insect 47 nutrient deficiency 46 Fungicides 46 germplasm 46 inoculum 46 invasive pests 46 transgenic plants 46 agronomic practices 46 tsetse flies 46 lucerne 46 tsetse fly 46 pest infestation 46 insect infestations 46 Asian soybean rust 46 mycotoxin 46 leaf curl 46 clover 46 soybean growers 46 food borne pathogens 46 chickweed 46 European grapevine moth 46 farmers 46 thrips 46 nitrogen fixation 46 weedkillers