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Control of Peronospora manshurica (Naoum) Syd. ex Gaum.: seed treatment with systemic products and varietal screening for resistance



Control of Peronospora manshurica (Naoum) Syd. ex Gaum.: seed treatment with systemic products and varietal screening for resistance



Informatore Fitopatologico 36(5): 29-31



Of several products tested, the most effective in controlling P. manshurica in soyabean were Apron 35SD (metalaxyl) at doses of 200-500 g/q of seed and Sandofan M (oxadixyl + mancozeb) at doses of 600-800 g/q. When 22 varieties and lines were screened under controlled conditions, using inoculation of the cotyledons, none was free from infection. Over half of them had more than 50% infection and 3 had 100% infection.

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Accession: 001554360

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