Abstract
Abstract This chapter discusses the history, current situation and molecular mechanism of resistance to quinone outside inhibitor (QoI) fungicides, which are inhibitors of mitochondrial respiration at Qo site of cytochrome bc1 enzyme complex, in some plant pathogenic fungi in Japan. The molecular diagnostic methods, in vitro methods and bioassay for identifying QoI resistance are described. Strategies against QoI resistance on rice and the development of novel QoI fungicides are presented. The resistance to succinate dehydrogenase inhibitors (SDHI) fungicides, so-called complex II inhibitors in the mitochondrial respiration chain, is also discussed, as well as the molecular mechanism of and strategies against resistance to these fungicides.
Published Version
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