Show MOST SERIOUS PEST OF GRAPE INDUSTRY Small Worm Bores Into Young Fruit Causing It to Be Worthless Worthless' for Marketing One of the most serious pests of ot the grape Industry within recent years ears Is the grape berry worm a small Insect that bores Into the young grapes and causes them to be worthless for tor mar mar- Entomologists at the Ohio station station sta sta- tion have been studying this moth since 1000 In the Lake Erie section The two broods of the moth are easily controlled by prop proper spray measures In some cases large vineyards have been so infested with the Insect that the crops were not worth picking In others where the owners sprayed the vines carefully less than one per cent of ot the crop was injured The first spray is applied when the grapes are about one-eighth one of ot an nn Inch In diameter Four pounds of ot arsenate of lead paste Is used wi with th the 50 3 formula of bordeaux mixture and two pounds of dissolved soft sott soap as a sticker About six weeks later or August 3 12 the same mixture is again applied to kill the second brood Hand Band spraying is preferable to machine ap ap- The station experts say that sprayings at other times have failed to control the grape berry worm in Ohio |