関東東山病害虫研究会報
Online ISSN : 1884-2879
Print ISSN : 1347-1899
ISSN-L : 1347-1899
病害の部
Hyaloperonospora parasitica によるナズナべと病(新称)の発生
山内 智史佐藤 衛
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ジャーナル フリー

2017 年 2017 巻 64 号 p. 47-49

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In April 2015, irregularly and yellowing lesions on the leaves of shepherds purse (Capsella bursa-pastoris) were found in an outdoor field in the south area of Ibaraki Prefecture. White and powdery stigmata of this pathogen were observed on the lesions. The pathogen of this disease was identified as Hyaloperonospora parasitica based on the morphological features of conidia and conidiophores, host range and the sequence of ribosomal DNA internal transcribed spacer (rDNA-ITS) region.

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© 2017 関東東山病害虫研究会
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