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  1. Ann. Tabac, 1981-82, Sect. 2-17 p. 59-64., ISSN.0399-0354

    Study of the mode of action of metalaxyl on Peronospora tabacina. III. Monitoring of metalaxyl activity on some blue mold isolates in 1980 : the"cotyledon test monitoring"

    DELON R.; SCHILTZ P.
    In view of the possible emergence of P. tabacina isolates resistant to metalaxyl, the authors proposed a laboratory technique, the aim of which was to monitor the persistence of the fungicide activity. In less than 20 days and in normal conditions, any ...