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TUESDAY 18th NOVEMBER 1975 ROOM
1+5 SESSION 2A Resistance of pests and pathogens
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8th British Insecticide aldicarb Annals of Applied aphids application Applied Biology assessed barley benodanil benomyl bioassay Botrytis Botrytis cinerea buds bupirimate cabbage carbendazim carbofuran cereal chemical chlorfenvinphos cinerea clone clover codling crop cyst-nematode Demeton-S-methyl dichlofluanid dimethoate disease dosage droplets effect elongatus esterase esterase activity ethirimol experimental experiments eyespot field trials flower fonofos fruit Fungicide Conference 1975 glasshouse grain granules grazing damage guazatine guazatine/imazalil harvest herbicides incorporated increase infection Insecticide and Fungicide isolates kg/ha laboratory larvae leaf lecanii levels loam maneb method mites Myzus persicae nematicides nematodes numbers organomercury organophosphate oxamyl pest pesticide pirimiphos-methyl plants plots populations powdery mildew Proceedings 8th British programme residues resistant aphids rotavator samples seed treatment seedlings sensitive soil spray sprayer strains sugar beet susceptible t/ha Table tested thiophanate thiophanate-methyl thiram tomato traps treated tridemorph unsprayed untreated virus volume wheat bulb fly yellow rust yield