. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. 484 DISEASES OF CULTIVATED PLANTS Begin spraying when the leaves are expanding, and repeat at intervals, using self-boiled lime and sulphur compound. Bordeaux mixture cannot be used, as it scorches peach leaves even when much diluted. Pierce and Galloway, Journ. Y\r,. 145.—Ccrcospora chrumicissa. i, diseased pcacli leaf; 2, tuft iif conidia, highly niaj:;. Cucumber and melon leaf blotch.— This destructive pest was first observed in , and for
. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. 484 DISEASES OF CULTIVATED PLANTS Begin spraying when the leaves are expanding, and repeat at intervals, using self-boiled lime and sulphur compound. Bordeaux mixture cannot be used, as it scorches peach leaves even when much diluted. Pierce and Galloway, Journ. Y\r,. 145.—Ccrcospora chrumicissa. i, diseased pcacli leaf; 2, tuft iif conidia, highly niaj:;. Cucumber and melon leaf blotch.— This destructive pest was first observed in , and for the three or four following years it simply ran riot, killing off whole houses of cucumbers within a few days. It was almost entirely confined to the extensive establishments around London, the produce of which mostly found its way to Covent Garden market. At the present day the disease has practically disappeared. This j epidemic may in a sense be looked upon as an artificial creation, inasmuch as it can only extend at a rapid rate under the modern conditions of culture, namely, an atmosphere. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Massee, George, 1850-1917. New York : Macmillan
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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910
