Related by context. Frequent words. (Click for all words.) 61 mealybug 60 apple scab 60 Scotch broom 59 leafhoppers 59 melaleuca 58 Phytophthora 58 spartina 58 vetch 58 mealy bugs 58 downy mildew 58 saltbush 58 whitefly 57 Japanese knotweed 57 soil salinity 57 Phragmites 57 Fungicides 57 aquatic weed 56 defoliating 56 tansy 56 invasive weed 56 water hyacinth 56 anthracnose 56 salvinia 56 Canker 56 leaf blight 56 pampas grass 55 mealybugs 55 fireweed 55 salt tolerant 55 Citrus canker 55 dune grass 55 cogongrass 55 insecticidal 55 pest insects 55 leaf beetle 55 Nematodes 55 Invasive plants 55 invasive weeds 55 endophyte 55 fungal pathogen 55 Botrytis 55 glyphosate resistant weeds 55 flea beetles 55 noxious weed 55 foliar 54 knotweed 54 loosestrife 54 Milfoil 54 aquatic weeds 54 sooty mold 54 Sclerotinia 54 woody vegetation 54 barberry 54 inorganic fertilizers 54 pine seedlings 54 oxalis 54 bollworm 54 broad leafed 54 spotted knapweed 54 acacias 54 spider mites 54 bayberry 54 insect pest 54 hogweed 54 Fungal 54 carbaryl 54 septoria 54 whiteflies 53 Eurasian milfoil 53 phragmites 53 weevils 53 ragwort 53 Fertilizing 53 codling moth 53 salination 53 knapweed 53 insect infestations 53 fungus 53 Alternaria 53 insect pests 53 spraying insecticide 53 nutrient uptake 53 weeds 53 blackleg 53 leafy spurge 52 Replanting 52 resistant varieties 52 mycorrhizal fungi 52 acidic soils 52 mealy bug 52 biopesticide 52 spp 52 pests 52 pine plantations 52 chickweed 52 moth larvae 52 manuka 52 corn borers 52 herbicide resistant crops 52 inoculum 52 biocontrol