Pathogenicity of <i>Tilletia</i> <i>controversa</i> for Temperate Grasses, Rye, and Triticale in Hokkaido
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- Okamoto Hideki
- Tenpoku Sub-Center, Dairy Research Center, Hokkaido Research Organization (HRO)
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- Fujine Osamu
- Ornamental Plants and Vegetables Research Center, HRO
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- Shinmura Akinori
- Central Agricultural Experiment Station, HRO
Bibliographic Information
- Other Title
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- 北海道で発生したコムギなまぐさ黒穂病(<i>Tilletia controversa</i>)の寒地型牧草,飼料用麦類に対する病原性
- 北海道で発生したコムギなまぐさ黒穂病(Tilletia controversa)の寒地型牧草,飼料用麦類に対する病原性
- ホッカイドウ デ ハッセイ シタ コムギ ナ マグ サ クロホビョウ(Tilletia controversa)ノ カンチガタ ボクソウ,シリョウヨウムギルイ ニ タイスル ビョウゲンセイ
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Description
<p>Wheat (Triticum aestivum) dwarf bunt disease by Tilletia controversa, widely spread throughout Hokkaido, has grievously damaged wheat production in Hokkaido, where wheat is widely cultivated mainly in upland dairy-field areas. In these areas, temperate grasses and forage crops such as rye are cultivated in neighbouring dairy fields. Therefore, these plants can transmit T. controversa and can influence the dwarf bunt occurrence in wheat. This study elucidated T. controversa pathogenicity for four temperate grasses (Lolium perenne, Dactylis glomerata, Phalaris arundinacea, and Phleum pratense), rye (Secale cereale), and triticale (a wheat-rye hybrid) by inoculating fields with T. controversa chlamydospores from an infected field in Hokkaido. Results show that T. controversa had no pathogenicity for the tested four temperate grasses and only slight pathogenicity for rye and triticale. However, the percentages of bunted heads for rye and triticale were much lower than for the two wheat cultivars. We could conclude that the four temperate grasses are unlikely to transmit T. controversa, which suggests no need limiting the cultivation of these grasses for fear to mitigate the disease, while further risk assessments are needed for rye and triticale.</p>
Journal
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- Japanese Journal of Grassland Science
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Japanese Journal of Grassland Science 69 (1), 7-15, 2023-04-28
Japanese Society of Grassland Science
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Details 詳細情報について
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- CRID
- 1390014868195964288
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- NII Book ID
- AN00194108
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- ISSN
- 21886555
- 04475933
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- NDL BIB ID
- 032868194
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- Text Lang
- ja
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- Data Source
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- JaLC
- IRDB
- NDL
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- Abstract License Flag
- Disallowed