Related by context. Frequent words. (Click for all words.) 66 Phytophthora 65 anthracnose 64 Sudden Oak 64 downy mildew 63 fungus 63 hogweed 62 whitefly 62 adelgids 62 invasive insect 62 dieback 61 mealybugs 60 Toxoplasma gondii 60 fungal disease 60 bacterial pathogen 60 fungal pathogens 60 T. gondii 59 hemlock woolly adelgid 59 pathogen 59 fungal spores 59 aphid 59 insect pests 59 insect pest 59 Soybean rust 58 sawfly 58 Emerald ash borer 58 bagworms 58 adelgid 58 bollworms 57 inoculum 57 oak wilt 57 stinkbugs 57 infestations 57 spp 57 ragwort 57 beetle infestation 57 emerald ash borers 57 soybean aphid 57 bollworm 57 whiteflies 56 White Nose Syndrome 56 Bt toxin 56 Phragmites 56 Vibrio cholerae 56 barberry 56 cankers 56 enteroviruses 56 psyllid 56 fungi 56 Aspergillus 56 fireblight 56 Bt crops 56 insect populations 56 nematodes 56 nematode 56 Varroa 56 species 56 root rot 56 vetch 56 Fungal 55 mealy bug 55 invasive pest 55 funguses 55 psyllids 55 fungal diseases 55 bee populations 55 Didymo 55 avian influenza H#N# 55 Botrytis 55 varroa mite 55 spider mites 55 infestation 55 phylloxera 55 varroa 55 fungal 55 hemlock trees 55 leaf curl 55 Psa 55 Japanese knotweed 54 beetle 54 bluetongue virus 54 gypsy moth caterpillars 54 biocontrol 54 HPAI 54 mycobacteria 54 stripe rust 54 codling moth 54 spotted knapweed 54 overwintering 54 Asian soybean rust 54 chytrid fungus 54 Prunus 54 leaf rust 54 avian species 54 E.coli O# 54 powdery mildew 54 ornamental shrubs 54 pest infestation 53 protozoan 53 Emerald Ash Borer 53 microbial pathogens 53 Aphids