Annual Report |
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Page 29
... investigation of the effect of temperature on the number of Didymella colonies developing on plates poured from soil ... investigating the growth and survival of Didymella in glasshouse soils . It is at times difficult to identify the ...
... investigation of the effect of temperature on the number of Didymella colonies developing on plates poured from soil ... investigating the growth and survival of Didymella in glasshouse soils . It is at times difficult to identify the ...
Page 30
... investigations on the control of this disease showed the value of copper oxychloride - petroleum emulsions and , in view of these considerations an investigation of the potential value against cucumber mildew of some recently introduced ...
... investigations on the control of this disease showed the value of copper oxychloride - petroleum emulsions and , in view of these considerations an investigation of the potential value against cucumber mildew of some recently introduced ...
Page 20
... investigation , showed that the insecticide was very unevenly distributed within the glasshouses when applied as an aerosol or a smoke . Indifferent control of certain pests , particularly in low cucumber - type houses , may be due to ...
... investigation , showed that the insecticide was very unevenly distributed within the glasshouses when applied as an aerosol or a smoke . Indifferent control of certain pests , particularly in low cucumber - type houses , may be due to ...
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acid Agric ammonia and nitrate Appl autoclaving average BEWLEY Biol blotchy fruit Blotchy Ripening Carnation cent Cheshunt chloropicrin Chron chrysanthemum colour compounds concentrations Crop Yield cucumber cultures day after steaming deficiency deuteronymph Didymella discs disease ecdysis eelworm effect experiments female mites floating foliage formaldehyde fungi Fungicides fungus Gardeners given in Table glasshouse Glasshouse Crops glasshouse soils growth hind-gut hoof and horn Hort House increased inoculated instar investigation isolated larvæ leaf leaf-discs leaflet leaves lesions lycopersici manure Maytime moisture Mosaic nitrate nitrifying nitrogen normal number of eggs nutrient solution observed obtained OWEN parathion percentage potassium pots Red Spider Red Spider Mite rhizosphere root surface samples seed seedlings showed soluble SPEYER spores steam sterilization steamed plots steamed soil submerged sulphate sulphur symptoms temperature tensiometers tests Tomato tomato plants tons per acre trusses U/F ratio unsteamed urea-formaldehyde variety virus water-soluble