Related by context. Frequent words. (Click for all words.) 65 citrus greening 65 anthracnose 63 Soybean rust 63 oak wilt 62 Canker 62 fungal disease 61 psyllid 60 psyllids 60 downy mildew 60 root rot 59 cankers 59 invasive pest 59 leaf curl 59 Phytophthora 59 insect pest 59 mealybugs 58 Sudden Oak 58 whiteflies 58 citrus canker 58 canker 58 Emerald ash borer 58 Asian soybean rust 57 invasive insect 57 citrus trees 57 leaf rust 57 bagworms 57 whitefly 56 fungus 56 hemlock woolly adelgid 56 dieback 56 hackberry 55 hogweed 55 soybean aphid 55 Africanized honeybees 55 Gypsy moths 55 Asian citrus psyllid 55 chinch bugs 55 Africanized honey bees 54 cabbage broccoli 54 mosquito transmitted 54 mealy bug 54 melaleuca 54 insect pests 54 giant salvinia 54 emerald ash borers 54 aphid 54 European grapevine moth 54 powdery mildew 54 gypsy moth caterpillars 54 oleanders 54 bromeliad 53 soybean rust 53 adelgid 53 glassy winged sharpshooter 53 oxalis 53 fireweed 53 stinkbugs 53 armyworms 53 muscadines 53 nematode 53 bark beetle 52 thrips 52 adelgids 52 sawfly 52 serviceberry 52 citrus 52 invasive weed 52 defoliate 52 pawpaw 51 Rocky Mountain Spotted Fever 51 Aphids 51 fungal diseases 51 phylloxera 51 crabapple 51 chytrid fungus 51 spider mites 51 oleander 51 weevil 51 beetle infestation 51 hemlock trees 51 Botrytis 51 Tularemia 51 brown marmorated stink bug 51 carbaryl 51 fireblight 51 bollworm 51 fungal infection 51 fungal pathogens 51 borers 51 sentinel plots 50 hickories 50 codling moth 50 saltcedar 50 infestation 50 European corn borer 50 infestations 50 bollworms 50 coral snake 50 White Nose Syndrome 50 dodder 50 varroa mites