. Injurious insects : how to recognize and control them . Insect pests; Insect pests. Fig. 2S0. — The Root-worm. Larvie. Fig. 281. — Grape leaf showing characteristic work of the adults of the Grape Root-worm. Origiual. remains for nearly tlii-ee weeks. The adults emerge from this in July. The most effective means of control is a thorough spra^-ing of the 'sines the last of June, or as soon as beetles are seen, using ar- senate of lead 3 pounds, molasses 1 gallon, and water 50 gallons. The molasses is added because it attracts the beetles and makes the spraying more effective
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. Fig. 2S0. — The Root-worm. Larvie. Fig. 281. — Grape leaf showing characteristic work of the adults of the Grape Root-worm. Origiual. remains for nearly tlii-ee weeks. The adults emerge from this in July. The most effective means of control is a thorough spra^-ing of the 'sines the last of June, or as soon as beetles are seen, using ar- senate of lead 3 pounds, molasses 1 gallon, and water 50 gallons. The molasses is added because it attracts the beetles and makes the spraying more effective. Stirring the soil beneath the ^^nes about the middle of June will destroy many pupa^ in their cells. White Grubs (Lachnogtcrna spp.) Strawberry plants often are sc^-erely injured by white, thick-bodied grubs which the roots. Entire sections in large strawberry patches may thus be killed out. Tills is the same pest that attacks the roots of corn and other field. 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 O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
