日本植物病理学会報
Online ISSN : 1882-0484
Print ISSN : 0031-9473
ISSN-L : 0031-9473
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我が国のゴルフ場におけるクリーピングベントグラスおよびケンタッキー ブルーグラス葉腐病菌(Rhizoctonia solani )の菌糸融合群
早川 敏広百町 満朗戸田 武矢口 重治小林 真樹佐々木 伸浩
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2008 年 74 巻 1 号 p. 16-19

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One hundred and seventeen isolates of Rhizoctonia solani Kühn were obtained from creeping bentgrass [Agrostis stolonifera L. var. palustris (Huds.) Farw] and Kentucky bluegrass (Poa pratensis L.) with symptoms of brown patch disease on golf courses in Japan from 1997 through 2006. Based on colony morphology and restriction fragment length polymorphism (RFLP) analysis using the internal transcribed spacer region of ribosomal DNA (rDNA-ITS), 96 isolates (82.1%) were identified as R. solani AG-2-2 IIIB, and 21 isolates (18.0%) were R. solani AG-1 IB. On the basis of the results of this report, brown patch on creeping bentgrass is mainly caused by R. solani AG-2-2 IIIB nearly throughout Japan and on Kentucky bluegrass it is caused by R. solani AG-1 IB in the cool weather area in Japan.

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