カボチャ疫病に対する数種薬剤の防除効果

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  • 三澤 知央
    北海道立総合研究機構農業研究本部道南農業試験場

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タイトル別名
  • Control Effectiveness of Several Fungicides against Phytophthora Rot of Pumpkin
  • カボチャ ヤクビョウ ニ タイスル スウシュ ヤクザイ ノ ボウジョ コウカ

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<p>Six fungicides for Phytophthora rot of pumpkin were evaluated in terms of their control effectiveness in the fields from 2006 to 2011. Since three or four trials were carried out per each fungicide, data were analyzed by meta-analysis using the statistical analysis software EZR. An integrated risk ratio（the ratio of incidence on treated plants to incidence on control plants）of 0.34 by treatment with cyazofamid flowable, 0.39 by dimethomorph-copper oxychloride wettable powder, 0.40 by metalaxyl M-tetrachloroisophthalonitrile（TPN）wettable powder, 0.44 by amisulbrom flowable, 0.62 by azoxystrobin-TPN flowable,and 0.66 by fosetyl wettable powder. As shown above, all six fungicides tested were effective against this disease.</p>

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