Annual Report, Volumes 22-26 |
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acid Agric appeared appl applied beds Biol Botrytis Botrytis cinerea brown cardboard containers Carnation caterpillars caused Cheshunt Cheshunt Early Giant chrysanthemum Complete Artificials cresylic acid crop weight CROP YIELD cucumber cucumber root Cucumber virus cuprous oxide cuttings derris dust eelworm effect Experimental experiments flies flowers foliage foot candles fumigation fungicidal fungus Fusarium Gdnrs Germination Glasshouse Glasshouse Crops Glasshouse Plants growers growth H. L. WHITE horse manure hort inches infected injury inoculated insecticides investigation large numbers larvæ leaves mushrooms naphthalene nicotine nitrogen obtained oil emulsion P. H. WILLIAMS peat pest petals Phytophthora plants grown potash pots pyrethrum Red Spider Mite relation to Glasshouse Rose Thrips Sciarid season seed seedlings shewed shewn SPEYER spores spray stem sterilized streak sulphate of potash surface symptoms Table temperature tested Thrips Tomato Tomato Leaf Mould Tomato Plants tons per acre truss varieties Verticillium Virus Diseases W. F. BEWLEY