Productivity of a New Italian Ryegrass Cultivar ‘Quattro-TK5’ in the Areas along the Sea of Japan

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  • Kubota Akito
    Tohoku Agricultural Research Center, NARO
  • Fujimori Masahiro
    Tohoku Agricultural Research Center, NARO
  • Suzuki Hitoshi
    Akita Prefectural Livestock Experiment Station
  • Nishino Ryo
    Akita Prefectural Livestock Experiment Station
  • Yuri Namie
    Akita Prefectural Livestock Experiment Station Present address: Akita Prefectural Southern Akita Livestock Hygiene Service Center
  • Kan Kazuhiro
    Livestock Experiment Station of Yamagata Integrated Agricultural Research Center Present address: Yamagata Prefectural College of Agriculture and Forestry
  • Toita Tsuyoshi
    Livestock Experiment Station of Yamagata Integrated Agricultural Research Center
  • Kobashi Yuri
    Niigata Agricultural Research Institute Livestock Research Center Present address: Dairy Technology Research Institute, The National Federation of Dairy Co-operative Associations
  • Hasegawa Masanobu
    Niigata Agricultural Research Institute Livestock Research Center
  • Inaba Makoto
    Toyama Prefectural Agricultural, Forestry and Fisheries Research Center
  • Kojima Hiroko
    Former address: Toyama Prefectural Agricultural, Forestry and Fisheries Research Center
  • Numata Naoto
    Toyama Prefectural Agricultural, Forestry and Fisheries Research Center
  • Igawa Ikumasa
    Ishikawa Agriculture and Forestry Research Center, Livestock Experiment Station Present address: Ishikawa Agriculture and Forestry Public Corporation
  • Terada Shiori
    Ishikawa Agriculture and Forestry Research Center, Livestock Experiment Station
  • Nishimura Sonoka
    Ishikawa Agriculture and Forestry Research Center, Livestock Experiment Station Present address: Ishikawa prefectural Hokubu Livestock Health and Sanitation Office

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Other Title
  • イタリアンライグラス新品種「クワトロ-TK5」の東北日本海側および北陸地域での生産性比較
  • イタリアンライグラス シン ヒンシュ 「 クワトロ-TK5 」 ノ トウホク ニホンカイガワ オヨビ ホクリク チイキ デ ノ セイサンセイ ヒカク

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Abstract

<p>A new Italian ryegrass (Lolium multiflorum Lam.) early cultivar ‘Quattro-TK5’ was recently bred at the Tohoku Agricultural Research Center, NARO. ‘Quattro-TK5’ showed higher yields than ‘Waseaoba’ in snow-covered areas along the Pacific Ocean. However, it is not clear whether ‘Quattro-TK5’ returns higher yields than ‘Waseaoba’ in snow-covered areas along the Sea of Japan, because the quality and quantity of snow vary between the Sea of Japan side and Pacific sides. In this research, we investigated the yield performance of ‘Quattro-TK5’ in areas along the Sea of Japan. ‘Quattro-TK5’ showed higher yields than ‘Waseaoba’ in areas with long durations of snow cover-the prefectures Yamagata, Niigata, and Iwate. In Akita, Toyama, and Ishikawa prefectures, where snow cover duration is not as long, ‘Quattro-TK5’ showed as much yield as ‘Waseaoba’. ‘Quattro-TK5’ is expected to grow in areas with up to 80 days of continuous snow cover.</p>

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