The investigation of the flesh disorder in Japanese pear 'Akizuki'

• Project/Area Number: 22580029
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Horticulture/Landscape architecture
• Research Institution: Chiba University
• Principal Investigator: OHKAWA Katsuya 千葉大学, 大学院・園芸学研究科, 助教 (00312934)
• Project Period (FY): 2010 – 2012
• Project Status: Completed (Fiscal Year 2012)
• Budget Amount: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2010: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
• Keywords: 果樹園芸学 / ニホンナシ / あきづき / 生理障害 / エセフォン / 土壌水分 / ホウ素 / フルクトース / スクロース / 細胞壁構成成分 / ソルビトール

Research Abstract

The purpose of this study was to examine the structure of flesh tissue affected by flesh disorder and the relationship between fruit composition and flesh disorder in Japanese pear ‘Akizuki' fruit. Starch grains were observed in vascular tissue of fruit at commercial harvest time. Ethephon treatment at 40 days before commercial harvest time promoted the degradation of starch in vascular tissue of fruit and significantly decreased the occurrence of flesh disorder. These results suggested that the starch grains in vascular tissue of mature fruit were related to the occurrence of flesh disorder in ‘Akizuki' fruit.

Research Products

• [Presentation] 土壌水分の違いおよびエセフォン処理がニホンナシ'あきづき'の果肉障害発生に及ぼす影響 (2013)
  • Author(s): 尾形夏海・大川克哉・小原均・近藤悟
  • Organizer: 園芸学研究園芸学会
  • Place of Presentation: 東京農工大学
  • Year and Date: 2013-03-24
• [Presentation] 土壌水分の違いおよびエセフォン処理がニホンナシ‘あきづき’の果肉障害発生に及ぼす影響 (2013)
  • Author(s): 尾形夏海
  • Organizer: 園芸学会
  • Place of Presentation: 東京農工大学
• [Presentation] ニホンナシ'あきづき'における果実内部成分の変化と果肉障害発生との関係 (2012)
  • Author(s): 尾形夏海・中塚悠希・大川克哉・白石奈穂・小原均・近藤悟
  • Organizer: 園芸学研究園芸学会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2012-03-29
• [Presentation] ニホンナシ'あきづき'における果実内部成分の変化と果肉障害発生との関係 (2012)
  • Author(s): 尾形・大川, 他4名
  • Organizer: 園芸学会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2012-03-29
• [Presentation] ニホンナシ'あきづき'に発生する果肉褐変症状の組織形態学的特性 (2011)
  • Author(s): 大川克哉・板橋亮・小原均・近藤悟
  • Organizer: 園芸学研究園芸学会
  • Place of Presentation: 宇都宮大学
  • Year and Date: 2011-03-21
• [Presentation] ニホンナシ'あきづき'に発生する果肉褐変症状の組織形態学的特性 (2011)
  • Author(s): 大川克哉・板橋亮・, 他2名
  • Organizer: 園芸学会
  • Place of Presentation: 宇都宮大学
  • Year and Date: 2011-03-21