Related by context. Frequent words. (Click for all words.) 63 herbicide resistant 62 herbicide tolerant 61 pigweed 58 crops 57 ryegrass 57 alfalfa 57 forage crops 57 bollworm 57 Glyphosate 57 herbicide 56 Bt cotton 56 glyphosate 56 insect resistant 56 downy mildew 56 Roundup Ready 56 triticale 56 Phytophthora 55 broadleaf weeds 55 oilseed rape 55 fungicide 55 brassicas 55 nematode 55 perennial grasses 55 bermudagrass 55 foliar 54 Bacillus thuringiensis 54 upland cotton 54 herbicide tolerance 54 leafy spurge 54 grain sorghum 54 fungicides 54 tall fescue 54 sugarbeets 54 Herbicide 54 soybean aphids 54 resistant varieties 54 nematodes 54 rotational grazing 54 herbicides 54 transgenic crops 54 biocontrol 53 sorghum 53 Roundup Ready crops 53 GM canola 53 corn rootworm 53 fireweed 53 Fungicides 53 Herbicides 53 cowpea 53 nitrogen fixing 53 corn borer 53 cotton acreage 53 crop rotations 52 genetically engineered corn 52 cowpeas 52 soybean varieties 52 biotech crops 52 crop 52 growers 52 lucerne 52 conservation tillage 52 grower 52 rootstocks 52 transgenic plants 52 armyworms 52 transgenics 52 whiteflies 52 corn 52 wheat oats 52 Bt corn 52 sugar beets 52 broadleaf 52 legume 52 tillage 51 switchgrass 51 Syngenta 51 Monsanto Roundup Ready 51 powdery mildew 51 Roundup Ready alfalfa 51 genetically modified corn 51 Bt 51 weed seeds 51 red clover 51 insect pest 51 wheats 50 seedling 50 soybean 50 phylloxera 50 anthracnose 50 forbs 50 alfalfa hay 50 pyrethroids 50 replant 50 soybean rust 50 stripe rust 50 aphids 50 salt tolerant 50 insect pests 50 soybeans 50 root rot 50 lupins