ReportThe Institute., 1963 - Agriculture |
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acid agric Agricultural Ailsa Craig aluminium breeding Broadbent brown root rot bulbs carnation chrysanthemums commercial compost concentration cucumber cultivated mushroom cultures daylength decreased dichlorvos dinocap eelworm effect Experimental Horticulture Stations experiments factors fertiliser flowers fruit set fungicides G. F. Sheard gene germination glasshouse Glasshouse Crops Res growers growth Hollings Horticulture houses increased infected inoculated insecticides Institute investigated isolated larvae leaf lettuce levels of nitrogen lime Littlehampton M.I.BIOL manganese manganese toxicity method mildew mosaic mushroom mycelium N. W. Hussey narcissus nitrate nitrogen nutritional trial obtained phorate Phorids phosphate phosphorus plots pollen potash potassium pots problems produced programme Red Spider Mite Report resistance ringspot ripening samples seed seedlings showed soil spawns species spores sporophores sprayed stage steam sterilisation Stockbridge House strains symptoms temperature tests tomato tomato fruit treatment truss tulip varieties Verticillium viruses wilt Winsor yield zineb