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LIST OF THE GROUPS AND SPECIES
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acre additive genes adult Agriculture animals annual weed anticoagulant aphids applied arvensis attack bait beetle birds breeder breeding Britain British Isles caterpillars cause cent cereals chemical colour commercial common rat corn costs cotyledons crop cultivated land damage dinoseb disease distinguished dust eelworm entries farm feed females flock frit fly grain grass grassland grey squirrels ground hatching heterosis house mouse hybrids hypocotyl inbred lines indented insecticides insects larvae leaf lobes low volume machine maggots maize males mating MCPA mouse nicking nozzles oats occurs perennial weed pests plant Plate poison poult progeny pullets pump Ranunculus sardous Raphanus raphanistrum rats and mice record rodenticidal rodents root seedling selection ship rat shoot slugs soils throughout species spraying spring stage stalked stem strain strain-cross throughout the British traps true leaves usually Veronica warfarin waste places weed of cultivated weed-killers wheat bulb fly winter wireworm