Use of metalaxyl against some soil plant pathogens of the class Peronosporomycetes - A review and two case studies

Abstract

In 1845 the plant pathogen Phytophthora infestans de Bary, which originated in Mexico, was introduced by human activity to Europe (Bourke 1964) and subsequently spread worldwide This pathogen caused several agricultural disasters such as the Great Famine in Ireland from 1845 -1852 Until the mid-1970s, biocidal sterilants like vapam or methylbromide were used for the control of Ooomycetes. Since the end of the 1970s, the inhibitory effect of some acylalanins against plant pathogens has been observed (Schwinn et al.

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