関東東山病害虫研究会報
Online ISSN : 1884-2879
Print ISSN : 1347-1899
ISSN-L : 1347-1899
農薬の部
ナシ黒星病防除における脱メチル化阻害 (DMI) 剤の防除効果並びに残効期間
梅本 清作金子 洋平亀田 啓二山本 愛子鈴木 純也福田 寛池辺 憲彦
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2012 年 2012 巻 59 号 p. 115-118

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The degree of efficacy and duration period of sterol demethylation inhibiter (DMI) fungicides among many kinds of fungicides against the Japanese pear scab, Venturia nashicola, were investigated through artificial inoculation to Japanese pear (Pyruspyrifolia var. culta) cultivar Kosui grafted seedlings of conidial suspension. Each of the four kinds of DMI fungicides performed with high efficacy, with protective values of 86.7 to 100. A long efficacy duration period was also confirmed, based on the result that there was very little if any occurrence of scab disease as long as 20 days after fungicide application.

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© 2012 関東東山病害虫研究会
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