北海道オホーツク地域のグリーンアスパラガス伏せ込み促成栽培における 10月掘り1年生株の若茎収量

DOI 日本農学文献記事索引 Web Site Web Site 被引用文献3件 参考文献1件
  • 地子 立
    北海道大学大学院環境科学院 北海道立総合研究機構上川農業試験場
  • 午来 博
    美幌町みらい農業センター
  • 門傳 千香子
    網走農業改良普及センター美幌支所
  • 荒木 肇
    北海道大学北方生物圏フィールド科学センター

書誌事項

タイトル別名
  • Spear Yield of One-year-old Rootstock Dug up in October in Green Asparagus Forcing Culture in the Ohotsuku Region of Hokkaido
  • ホッカイドウ オホーツク チイキ ノ グリーンアスパラガス フセ コミ ソクセイ サイバイ ニ オケル 10ガツ ホリ 1ネンセイカブ ノ ワカケイ シュウリョウ

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抄録

In order to produce green asparagus (Asparagus officinalis L.) spears in November by forcing culture in the Ohotsuku region of Hokkaido, the effect of the timing of digging up one-year-old rootstock on the spear yield was examined in 2010 and 2011. In this study, one-year-old rootstocks of ‘UC157’ grown in the field were dug up in early, middle, and late October in both years. There were no significant differences between the three digging times in the fresh weight of rootstock or soluble solid content (Brix%) in storage roots, although the fresh weight varied between the two years. On the other hand, significant differences in spear yield from one-year-old rootstock in the forcing culture bed were seen between the three digging times. Both the marketable and total spear yields were much higher with late October digging than with the other digging times throughout this experiment. Especially, the marketable yield from late October in 2010 was more than three times as high as that from early and middle October. These results suggest that the differences in spear yield between the three digging times might be attributed to the bud dormancy in one-year-old rootstock, and the high spear yield in late October digging implies that the release of bud dormancy might occur before late October. The cumulative hours of chilling exposure to an air temperature below 5°C for one-year-rootstocks of ‘UC157’ up to late October was 110 hours in 2010 and 130 hours in 2011. Since the harvest with late October digging started in middle November in both years, forcing culture in the Ohotsuku region of Hokkaido may make the domestic production of green asparagus in November possible in a short time.<br>

収録刊行物

  • 園芸学研究

    園芸学研究 11 (4), 491-495, 2012

    一般社団法人　園芸学会

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