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Paper Session 7A Page
Contributions of biology to efficient chemical control of soilborne
Principles of efficient nematicide usage
17 other sections not shown
1979 British Crop achieve agricultural aldicarb aphid apple application assessment biological British Crop Protection carbamates cereal chemical codling moth compounds control measures cost cotton Crop Protection Conference cultivars damage disease control diversification droplets economic effective Electrodyn environmental erucic acid example factors farm farmers fenvalerate field forecasting fruit fungi fungicides genes genetic growers high yields hops housefly important increase inputs insect insecticides integrated control ISBN larvae leaf metalaxyl methods methomyl mildew monitoring nematicides nematodes nozzle oilseed rape operator orchards organophosphates oxamyl pallida pathogens permethrin pest and disease pest control pesticides pheromone plant breeders population potential practice problems Proceedings 1979 British production profenofos protective clothing pyrethroids reduce resistant varieties risk rostochiensis routine rust scab seed selectivity soil soil-borne pests species spray programmes sprayer spring barley strawberry susceptible Table techniques tonnes toxicity traps treatment varieties possessing winter barley winter wheat