Related by context. Frequent words. (Click for all words.) 62 varroa mite 58 potato famine 57 fungal disease 56 fungus 55 insect pest 52 aphid 52 stem rust 52 nematode 51 Fusarium 51 nematodes 51 insect pests 51 Canker 51 varroa 50 weevil 50 root rot 50 Great Famine 50 pests 50 Japanese knotweed 50 aphids 50 midge 50 Dutch elm disease 49 pathogen 49 infestations 49 pest 48 Bovine TB 48 Fungus 48 mites 48 Soybean rust 47 famines 47 stink bug 47 fungal diseases 47 disease 47 stripe rust 47 famine 47 beetle 47 fungi 47 crops 47 Famine 46 powdery mildew 46 broadleaf weeds 46 MRSA superbug 46 parasitic worms 46 bee populations 46 Ug# 46 frosts 46 knotweed 46 fusarium 46 cereal crops 46 infestation 45 Aphids 45 gypsy moths 45 invasive weed 45 Colony Collapse Disorder 45 sugar beet 45 bacterium 45 parasite 45 Disease 45 honeybee colonies 45 resistant varieties 45 bluetongue 45 pigweed 45 apple varieties 44 winterkill 44 diseases 44 wasp 44 spider mites 44 beetles 44 hay fever 44 bee colonies 44 knapweed 44 insect 44 gypsy moth 44 boll weevil 44 weevils 44 ryegrass 44 fungal 44 Genetically modified 44 zebra mussel 44 Asian longhorned beetle 44 invasive pest 44 citrus canker 43 strawberry growers 43 beetle infestation 43 pine beetles 43 borers 43 bark beetle 43 ladybirds 43 Spores 43 milder winters 43 defoliation 43 superbug 43 overwintering 43 insect infestations 43 oilseed rape 43 Crops 43 tall fescue 43 thrips 42 Pests 42 soybean varieties 42 horse chestnut 42 invasive species