. Insect pests and plant diseases : containing remedies and suggestions recommended for adoption by farmers, fruit-growers, and gardeners of the province . Pests; Fungal diseases of plants; Insect pests. (60 Vict. 'i_ Provincial Board of Horticulture. 21 i- In Oregon and California the No. 1 spray is largely used in fighting this pest, but in our case there is no question that the most strenuous efforts should be made in the first instance to completely extirpate the pest by cutting down and burning any trees found to be infested. As a measure of protection, all other trees or plants in the ne
. Insect pests and plant diseases : containing remedies and suggestions recommended for adoption by farmers, fruit-growers, and gardeners of the province . Pests; Fungal diseases of plants; Insect pests. (60 Vict. 'i_ Provincial Board of Horticulture. 21 i- In Oregon and California the No. 1 spray is largely used in fighting this pest, but in our case there is no question that the most strenuous efforts should be made in the first instance to completely extirpate the pest by cutting down and burning any trees found to be infested. As a measure of protection, all other trees or plants in the neighbourhood should be sprayed at least twice in the dormant season. As a summer wash, spray No. 3 is recommended in Oregon and California. PARASITES AND NATURAL ENEMIES OF SAN JOSE SCALE. The most important parasite, perhaps, is Aphelinus fuscipennis (How.), a common enemy )f armoured scales. The general characteristics of fuscipennis are well shown in the accom- * panying figure of a closely allied species. (Fig. 7.) This parasite has been A. Fuscipennis. raised in large numbers in California. Mr. Alex. Craw reports it as doing very effective work in the neighbourhood of Los (Fig. 7.)—Aphelinus diaspides.) (L. 0. Howard and C. L. Marlett, Biilletin No. 3, New Series, Division of Botany, U. S. Department of Agriculture. J. 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 British Columbia. Provincial Board of Horticulture. Victoria, B. C. : Dept. of Agriculture
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsectpests, bookyear
