black rot

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  1. djrockinsteve

    Black Rot Help Needed

    Been battling black rot for years now and can’t get it under control. Wind up losing half or more of my grapes. My current spray program- Western Pennsylvania May 15, Captan (dry) .4 oz/ gal. May 29, Daconcil (liq) 2 tbs./ gal. June 6, Captan .5 oz per gal. June 15, Daconcil 2 tbs. / gal...
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