Annie Haven - have you done any experiments with Authentic Haven Brand Natural Brew to see if it reduces late blight on potatoes & tomatoes? Durable and consistent control of late blight was reported from a series of experiments carried out under field conditions in Germany (Weltzien 1991). Compost tea made from horse or cow manure, amended or not with seven microorganisms, was applied to potato foliage to control late blight. In plants treated with compost tea amended with microorganisms, final late blight severity was 11% and did not differ significantly from that recorded in plants treated with a mixture of the fungicides metalaxyl and mancozeb. Adding microorganisms to the compost tea significantly en- hanced disease control (Weltzien 1991). (from page 110) globalsciencebooks.info/JournalsSup/images/0712/PT_1(2)106-116o.pdf
Posted on: Thu, 23 Jan 2014 00:00:49 +0000
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