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노화처리된 고추종자의 저장성분 누출과 priming 처리가 종자활력 증진에 미치는 영향

Leakage of Seed Reserve Nutrient in Artificially Aged Pepper Seeds and Enhancement of Seed Vigor by Priming

  • 강점순 (부산대학교 생명자원과학부) ;
  • 최인수 (부산대학교 생명자원과학부)
  • Kang Jum-Soon (School of Bio-Resources, Pusan National University) ;
  • Choi In-Soo (School of Bio-Resources, Pusan National University)
  • 발행 : 2006.04.01

초록

노화처리 일수가 경과하여 활력이 저하된 종자일수록 종자에서 누출되는 단백질, 아미노산, 가용성 당의 누출량이 많았다. 20일간 노화처리된 종자는 침지 4일째 종자 1g당 35.8 mg의 단백질이 누출되어 건전종자에 비해 6.9배 많았다. 아미노산 누출량도 노화처리된 저활력 종자에서 증가하였다. 가용성 당의 누출량도 20일 노화처리된 저활력 종자에서 침지 4일째 종자 1g당 $36.5{\mu}g$이 누출되어 건전종자보다. 2.8배 많았다. 무기성분의 누출량은 저활력 종자에서 많았으며 무기성분의 누출량은 단백질, 아미노산 및 가용성 당보다는 적었다. 누출량에 근거하여 비파괴적으로 종자활력을 추정할 수 있는 가용성 물질은 단백질과 $K^+$였다. 노화처리된 종자는 발아율과 발아세가 저하되었으며, 종자활력이 저하된 노화종자를 priming 처리함으로써 종자활력을 회복시킬 수 있었다. 이러한 현상은 저활력 종자를 저온에서 발아시킨 경우에 더욱 뚜렷하였다.

Quantity of protein, amino acid, and sugar leaked from seeds was greater as the viability of seeds was dropped by the time elapsed of seed aging treatment. In the seeds with the artificial aging treatment for 20 days, 35.8 mg of protein was leaked on the 4th day after soaking, which was 6.9 times higher than that of control. Leakage of amino acid was also higher from low quality seeds treated with the aging treatment. In the seeds with the aging treatment for 20 days, $36.5{\mu}g$ fig of sugar was leaked on the 4th day after soaking, which was 2.8 times higher than that of control. The leakage of inorganic compound was higher from the low quality seeds, and leakage of total protein, amino acid, and sugar. According to .the quantity of leakage, water soluble compounds, which can be used for the assessment of seed quality without any destruction, were protein and potassium. Germination rate and percentage of seeds were dropped with the seed aging treatment, and the seed viability could be recovered by priming treatment. This phenomenon was very clear when the low quality seeds were germinated at low temperature.

키워드

참고문헌

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피인용 문헌

  1. Nondestructive Classification of Viable and Non-viable Radish (Raphanus sativus L) Seeds using Hyperspectral Reflectance Imaging vol.37, pp.6, 2012, https://doi.org/10.5307/JBE.2012.37.6.411
  2. Non-Destructive Sorting Techniques for Viable Pepper (Capsicum annuum L.) Seeds Using Fourier Transform Near-Infrared and Raman Spectroscopy vol.41, pp.1, 2016, https://doi.org/10.5307/JBE.2016.41.1.051