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Image 597 of Annual report. 1921

Part of Kentucky Agricultural Experiment Station

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I _ . ft l 34 Circular N0. EZ ing year when the insect is not present in the plants in any — stage of development. — 3. If possible get plants for 11ew beds from beds that are not infested. i, 4. Destroy the plants of old beds as soon as practicable A after they are no longer profitable; by plowing up and raking off and burning them in July, or August., when the insects are i most numerous in the "erowns." Some fine new plantings at Bowling Green are now becoming infested from old plantings left at their edges. i 5. WllC11 beds are but slightly infested and are still profitable for berries, spraying in late August and early Sep- = tember with one and one-half pounds of arsenate of lead pow- _ der in forty gallons of water may be helpful as a means of I keeping the borer in subjection until the plants can be plowed ` up and destroyed. ·‘ lf the practis suggested had been employed generally about Bowling Green, beginning twenty-five years ago, it is ._ believed that the present unfortunate condition of the beds ' as to infestation would have been avoided. A general adoption . of these suggestions should in a few years reduce the damages _» from the pest, and it remains for individual growers and i organizations of growers to work together in urging upon those . inclined to be careless about seattering infested plants, the . iniportance to the County and State of exterininating the pest in strawberry plantings of all sorts, without regard for whether ` these &l1'C coinniereial or for home use. ] Note.—The fact that the adult beetle feeds freely on the leaves _ was not known in 1890, and hence spraying was not then considered . helpful. , I it 1