Related by context. Frequent words. (Click for all words.) 60 transgenic plants 60 monocultures 58 transgenic crops 57 whitefly 56 bacterial strains 56 resistant strains 55 antibiotic resistant 55 resistant varieties 55 pigweed 55 nematodes 54 Aphids 54 virulent strains 54 pest resistant 54 herbicides 54 genetically engineered 54 genetically modified crops 53 stem rust 53 pathogen 53 Genetically modified 53 genetic modification 53 insect pests 53 genetically modified 53 insect pest 53 biotech crops 53 crops 52 bacterial resistance 52 insect resistant 52 genetically modified rice 52 fungal diseases 52 aphids 52 whiteflies 52 weed seeds 52 brassicas 52 pathogens 52 fungus 51 pests 51 purple loosestrife 51 Herbicides 51 Japanese knotweed 51 antibiotic resistant strains 51 genetically engineered seeds 51 varroa mite 51 genetically altered 51 antibiotic resistant bacteria 51 antibiotic resistance 51 armyworms 50 genetically manipulated 50 organisms 50 biofuel crops 50 invasive weeds 50 GMO crops 50 broadleaf weeds 50 invasive weed 50 root rot 50 bee populations 50 insecticides 50 knapweed 50 genetically engineered corn 50 duckweed 50 drug resistant strains 50 Bt cotton 50 Glyphosate 50 weed killers 49 herbicide 49 micro organism 49 cheatgrass 49 fungi 49 monoculture 49 Fungal 49 transgenic 49 pyrethroids 49 genetically engineered crops 49 spider mites 49 viral strains 49 beetle infestation 49 Wolbachia 49 viruses 49 fungal disease 48 genetically modified organisms GMOs 48 Ug# 48 Bt 48 chytrid fungus 48 microorganism 48 pesticides 48 knotweed 48 Roundup herbicide 48 fungal 48 Transgenic 48 genetically modified seeds 48 insects 48 avian influenza viruses 48 Aspergillus 48 soybean varieties 48 varroa 48 organism 48 Genetically engineered 48 parasitic infections 48 phragmites 48 microbe 48 synthetic pesticides 48 perennial grasses