Elucidation of Factors to Fruit Set Failure in Self-Pollination of Tetraploid Rocoto Peppers Obtaining Self-Compatibility.

About This Project

Japan Grant Number
JP20K06017 (JGN)
Funding Program
Grants-in-Aid for Scientific Research
Funding Organization
Japan Society for the Promotion of Science

Kakenhi Information

Project/Area Number
20K06017
Research Category
Grant-in-Aid for Scientific Research (C)
Allocation Type
  • Multi-year Fund
Review Section / Research Field
  • Basic Section 39030:Horticultural science-related
Research Institution
  • Kyushu University
Project Period (FY)
2020-04-01 〜 2024-03-31
Project Status
Completed
Budget Amount*help
4,160,000 Yen (Direct Cost: 3,200,000 Yen Indirect Cost: 960,000 Yen)

Research Abstract

南米アンデス原産のロコトトウガラシ(ロコト)はピーマンに似た果形をもつ辛みの強いトウガラシだが,果肉に水分が多く新たな利用が期待できるトウガラシである.ただ,ロコトは自家不和合性を示すためその打破が必要であった.我々はロコト種子をコルヒチン処理することで自家和合性をもつ四倍体の獲得に成功した.しかし,四倍体ロコトの自家受粉での着果率は他家受粉に比べて有意に低かった.本研究では四倍体ロコトの自家受粉にみられる着果不良の要因解明とその打破を目的とした.

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