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| Identification of Cucumber Target Leaf Spot（Brown Spot）Pathogen and Its Control |
| LI Chang-song1,ZHANG Mei2,LI Lin1*,LI Fan1,QI Jun-shan1,XU Zuo-ting1,ZHANG Bo1 |
| 1Plant Protection Institute,Shandong Academy of Agricultural Sciences,Jinan 250100,Shandong,China;2Dezhou College,Dezhou 253023,Shandong,China |
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Abstract Cucumber target leaf spot is a serious disease in greenhouse in Shandong province.Based on its pathogen characteristics of morphology,pathogenicity and sequence analysis of the internal transcribed spacer region of the ribosomal DNA(ITS),the pathogen arousing cucumber target leaf spot in Shandong province was identified as Corynespora cassiicola(Berk & Curt)Wei.The disease could be effectively controlled by tebuconazole and oxinecopper in bioassay and field trial.The control effect to cucumber target leaf spot is 90.49 %.
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Received: 22 January 2009
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