ベンチアバリカルブイソプロピルのPhytophthora infestansに対する殺菌活性と疫病防除効果

DOI NDLデジタルコレクション 日本農学文献記事索引 Web Site Web Site 被引用文献4件 参考文献22件

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  • Fungicidial Activity of Benthiavalicarb-isopropyl against <i>Phytophthora infestans</i> and Its Controlling Activity against Late Blight Diseases
  • Fungicidial Activity of Benthiavalicarb-isopropyl against Phytophthora infestans and Its Controlling Activity against Late Blight Diseases

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Benthiavalicarb-isopropyl, a novel member of the amino acid amide carbamate group of fungicides, is effective against all Oomycete fungal plant pathogens except Pythium spp. Our results demonstrate that this fungicide effectively controls potato and tomato late blight caused by metalaxyl-sensitive and -resistant strains of Phytophthora infestans. Experiments in vitro demonstrated that benthiavalicarb-isopropyl was ineffective in stopping the discharge of zoospores from zoosporangia and suppressing their motility; but strongly inhibited mycelial growth, sporulation, and the germination of sporangia and cystospores. Experiments in a greenhouse showed that benthiavalicarb-isopropyl has not only a strong preventive, but also a curative effect; its translaminar properties are effective along with its rainfastness and residual activity. In field trials, it was effective in controlling tomato and potato late blight at 25–75 g a.i./ha. © Pesticide Science Society of Japan

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