Gardening and Especially Tomato Growing Message Board

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Pastimes : Gardening and Especially Tomato Growing

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To: AugustWest who wrote (972)	7/31/2000 12:16:18 PM
From: SIer formerly known as Joe B.	of 3495

I gotta start from scratch, I won't use insecticides. Squash Vine Borer Squash vine borers are usually more of a problem in home gardens than in commercial fields. Vine borer infestation is usually not noticed until after the damage is done. The adult vine borer is a "clear-wing" moth that resembles a wasp. The body is reddish white, with black bands on the abdomen. Females lay eggs at the base of the plant. The emerging larvae enter the stems just above the soil line. Larvae feed inside the stems, causing wilting and the eventual death of the occupied parts of the plant (Figure 5). Infested stems can be identified by entry holes with piles of "frass" or excrement. Squash vine borers prefer cucurbits with large-diameter stems, such as 'Hubbard' squash. In areas with a history of vine borer problems, monitor plants regularly for the presence of borer frass and entry holes. If you find frass, split stems to check for presence of young borers. If young larvae are present, reduce further infestation by hatching larvae by making two insecticide applications spaced 5 to 7 days apart. Plantings in late summer or fall usually escape vine borer infestations. aces.edu

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