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597 > Image 597 of Annual report. 1921

Part of Kentucky Agricultural Experiment Station

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