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Establishment of Days after Anthesis(DAA) and Fruit After-ripening Period(FAP) for High-Quality Seed Production of Watermelon

우량 수박종자 생산을 위한 적정 성숙일수 및 후숙일수 확립

  • Park, Eun-Ji (Department of Horticulture Bioscience, Pusan National University) ;
  • Lee, Gyu-Bin (Department of Horticulture Bioscience, Pusan National University) ;
  • Park, Young-Gil (Department of Horticulture Bioscience, Pusan National University) ;
  • Suh, Jeong-Min ;
  • Kang, Jum-Soon (Department of Horticulture Bioscience, Pusan National University)
  • 박은지 (부산대학교 원예생명과학과) ;
  • 이규빈 (부산대학교 원예생명과학과) ;
  • 박영길 (부산대학교 원예생명과학과) ;
  • 서정민 (부산대학교 바이오환경에너지학과) ;
  • 강점순 (부산대학교 원예생명과학과)
  • Received : 2015.10.29
  • Accepted : 2015.12.10
  • Published : 2015.12.29

Abstract

This study was conducted to investigate days after anthesis (DAA) and fruit after-ripening period (FAP) for seed-harvesting of high quality watermelon seeds. Fruit weight and number of seed per fruit increased according to DAA, while those did not significant about FAP. Ratio of cotyledon at whole seed was higher about 2 to 4% compared to seed coat irrespective of DAA and FAP. Germinability of watermelon was not a significant effect by DAA, however, it had differences by FAP. Percent of germination (PB) was below 50%, when 30 days maturated fruits after anthesis was omitted ripening, while PB was increased to 92% by ripening. In addition, seeds at DAA 40 and FAP 20 were higher general seedling vigors (hypocotyl length, diameter etc.) in BP test. Results indicated that considering seed productivity, it had maximized seed viability at DAA 40 and FAP 20.

Keywords

Cotyledon;Germination;Seed coat;Seed harvesting;Viability

Acknowledgement

Supported by : 농촌진흥청

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