@article{oai:repository.naro.go.jp:00006774,
 author = {岩波, 宏 and IWANAMI, Hiroshi and 馬場, 隆士 and BABA, Takashi and 守谷（田中）, 友紀 and MORIYA-TANAKA, Yuki and 阪本, 大輔 and SAKAMOTO, Daisuke and 花田, 俊男 and HANADA, Toshio},
 journal = {農研機構研究報告, Journal of the NARO Research and Development},
 month = {Jul},
 note = {To meet the increasing demand for domestically produced apples for processing, we investigated through simulation whether it was possible to cultivate apples to an annual yield of 8 t/ 10 a using columnar apple trees while reducing labor hours by more than 60%. Stable yields could be obtained every year by systematically shifting the year of fruiting and the year of nonfruiting for each row of trees utilizing the characteristics of alternative bearing in the columnar trees. When the trees were managed so that 3 or more fruitlets were left within a cluster without thinning, the trees would have a heavy crop load and be induced to alternative bearing cycles. It was estimated that even if the half of the trees in the orchard at a high planting density (570 trees/ 10 a) did not bear fruit, the yield would be about 10 t/ 10 a. The fruit quality declined as the crop load increased, but the fruit weight and soluble solid content were maintained at 150 g and 10 ºBrix, respectively, even after overfruiting. The harvesting time was shortened by collecting a large amount of fruit by dropping them onto a net spread under the canopy. It was estimated that annual labor hours could be reduced by more than 60% by omitting the fruit thinning and coloring operation and shortening the harvest time. The cultivation method in this study has great potential for apple production for processing because it is possible to increase the yield with labor-saving management., 国内産リンゴ加工原料の需要拡大に応えるために，カラムナータイプのリンゴ樹を用い，年間の労働時間を6割以上削減して毎年反収で8 tが実現可能か検討した．毎年安定した収量を確保するためには，カラムナータイプリンゴの特性である隔年結果性を利用し，無摘果で1果そうに3個以上結実させる過着果を樹列毎に隔年で交互に繰り返す隔年交互結実法が有効であった．570本/10 aの密植条件であれば，園地の半分の樹列の着果だけでも，反収で10 t程度になると推定された．着果量が増えると果実品質は低下するが，過着果させても果実重で150 g，糖度で10 ºBrixは維持していた．大量に着果した果実を樹冠下に広げたネットに落として回収する方法で，収穫時間を削減することも可能であった．着果管理，着色管理を省略し，収穫時間を短縮することで，年間の労働時間を6割以上削減できると推定された．本研究で提示する省力的な管理で反収を増やす栽培方法は，加工専用のリンゴを生産する手法としては極めて有用であると考えられる．},
 pages = {63--72},
 title = {効率的な加工用途向けリンゴ生産のためのカラムナータイプ樹の隔年交互結実法と収穫方法},
 volume = {7},
 year = {2021},
 yomi = {イワナミ, ヒロシ and ババ, タカシ and モリヤ-タナカ, ユキ and サカモト, ダイスケ and ハナダ, トシオ}
}