KOREAN JOURNAL OF CROP SCIENCE (한국작물학회지)

The Korean Society of Crop Science (한국작물학회)
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Pre-treatment Condition for Inhibiting of Germination in Cotton Seeds

면실 종자의 발아억제를 위한 전처리 조건 연구

  • Kim, Jae Yoon (Division of Biotechnology, College of Life Sciences and Biotechnology, Korea University) ;
  • Kwon, Hyeok (Division of Biotechnology, College of Life Sciences and Biotechnology, Korea University) ;
  • Lee, Yong Ho (Division of Biotechnology, College of Life Sciences and Biotechnology, Korea University) ;
  • Hong, Sun Hee (Division of Biotechnology, College of Life Sciences and Biotechnology, Korea University) ;
  • Son, Yong Suk (Division of Biotechnology, College of Life Sciences and Biotechnology, Korea University) ;
  • Kim, Wook (Division of Biotechnology, College of Life Sciences and Biotechnology, Korea University)
  • 김재윤 (고려대학교 생명과학대학) ;
  • 권혁 (고려대학교 생명과학대학) ;
  • 이용호 (고려대학교 생명과학대학) ;
  • 홍선희 (고려대학교 생명과학대학) ;
  • 손용석 (고려대학교 생명과학대학) ;
  • 김욱 (고려대학교 생명과학대학)
  • Received : 2012.11.08
  • Accepted : 2012.12.21
  • Published : 2013.03.31
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Abstract

This research study was to develop methods for inhibiting the germination of cotton seeds. Germination rates after heating treatment at $80^{\circ}C$ with 10, 20, 30, 40 min. were 9.3, 9.3, 5.3 and 1.3 percentage, respectively. Heat treatment over $85^{\circ}C$ with 10 min. caused no germination of cotton seeds. Germination was significantly reduced with gamma rays treatment more than 10,000 gy, while the treatment within 2,000-8,000 gy induced less effects. Microwave processing for 30 seconds and 60 seconds inhibit the germination of cotton seed under 8 and 0%, respectively. As a physical treatment, rollmill milling with 1.5, 2, 2.5 mm gap inhibited any germination of cotton seeds. The optimum gap of roll-mill for processing physical cracking was below 51% of the thickness of seed.

Keywords

References

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