環状剥皮および剥皮逆接ぎの処理方法の違いが，リンゴ「恵」樹の生長と果実品質に及ぼす影響

DOI NDLデジタルコレクション 日本農学文献記事索引 Web Site Web Site 被引用文献2件 参考文献8件

書誌事項

タイトル別名
  • Effects of Five Methods of Bark Inversion and Girdling on the Tree Growth and Fruit Quality of 'Megumi' Apple.
  • カンジョウハクヒ オヨビ ハクヒ ギャクツギ ノ ショリ ホウホウ ノ チガイ

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説明

The effects of five methods of girdling and bark inversion on tree growth and fruit quality in 'Megumi' apple (Malus domestica Borkh.) were compared. Bark inversion treatments were : BI-100 (5 cm bark ring was removed from the trunk and replaced in an inverted position), BI-90 (90% of a 5 cm bark ring was removed from the trunk and replaced in an inverted position, leaving a vertical 10% strip of the bark intact), bark exchange ; B-EX (90% of a 5 cm bark ring was removed from the trunk and exchanged with 'Hokuto' bark, leaving a vertical 10% strip of the bark intact), girdling ; G (90% a 5 cm bark ring was removed from the trunk leaving a vertical 10% strip of the bark intact) and G-N (90% a 5 cm bark ring was removed from the trunk, then that bark was reattached in a normal position, leaving a vertical 10% strip of the bark intact). All treatments, except G-N and B-EX significantly reduced the growth of the trunk's girth below the treatments, but had no effects on trunk growth above the treatments. The shoot length was significantly shorter and the spur/shoots ratio was significantly higher in BI-100 than in those of other treatments. Flowering the following spring was significantly increased by all treatments. Chlorophyll concentration in the leaves of BI-100 was lower than that of the control trees at one month after the treatment ; it decreased after three months in all treatments except B-EX. Soluble solids content in the fruit of BI-100 was the highest, followed by G, BI-90, B-EX, and G-N, and the control in decreasing order. Sugars and sorbitol content on a fresh weight basis were significantly higher in BI-100 than in BI-90, G-N and control fruits. But on a dry weight basis, they were lower in the treated fruits than in the control fruit because in the treated fruits had lower water content than the control fruit. Fruit firmness and fruit size were influenced little by the treatments. All treatments reduced calcium concentration in the fruit flesh. Soluble solids content in the fruits of BI-100 and BI-90 in following year was significantly higher than that of other treatments. These results show that girdling and bark inversion improved the eating quality of the fruit by increasing soluble solids content while lowering water and calcium content.

収録刊行物

  • 園芸学会雑誌

    園芸学会雑誌 67 (5), 721-727, 1998

    一般社団法人　園芸学会

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