Analysis of auxin biosynthesis of peach and regulation of fruit softening

2015 Fiscal Year Final Research Report

• Project/Area Number: 25450054
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Horticultural science
• Research Institution: National Agriculture and Food Research Organization
• Principal Investigator: TATSUKI Miho 国立研究開発法人農業・食品産業技術総合研究機構, 果樹茶業研究部門 生産・流通研究領域, 上級研究員 (10355381)
• Co-Investigator(Renkei-kenkyūsha): SHIMADA Yukihisa 公立大学法人横浜市立大学, 木原生物学研究所, 教授 (30300875) ; SOENO Kazuo 国立研究開発法人農業・食品産業技術総合研究機構, 西日本農業研究センター 四国研究拠点 傾斜地園芸研究領域, 上級研究員 (50392006)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: モモ / オーキシン / エチレン

Outline of Final Research Achievements

The fruit of melting-flesh peach (Prunus persica (L). Batsch) cultivars produce high levels of IAA. IAA induce increased level of ethylene caused by high expression of PpACS1, resulting in rapid fruit softening at the late-ripening stage. In this study, we examined the regulation of fruit softening using some inhibitors of auxin biosynthesis. The melting -flesh peach which were treated with inhibitors, produce lower level of ethylene and keep firmer than control fruit. The cell wall modifying isonzyme 3 may some effect on melting-flesh during fruit softening.

Free Research Field

園芸科学