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신나밀계 화합물이 배추의 종자발아와 유묘생장에 미치는 영향

Effect of Cinnamly Derivatives on Crop Growth Inhibition of Brassica campestris.

  • 김진효 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 최근형 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 박병준 (농촌진흥청 국립농업과학원 화학물질안전과)
  • Kim, Jin Hyo (Chemical Safety Division, National Academy of Agricultural Science, RDA) ;
  • Choi, Geun-Hyoung (Chemical Safety Division, National Academy of Agricultural Science, RDA) ;
  • Park, Byung-Jun (Chemical Safety Division, National Academy of Agricultural Science, RDA)
  • 투고 : 2014.11.24
  • 심사 : 2014.12.19
  • 발행 : 2014.12.31

초록

신나밀계 화합물은 다양한 생물에 넓게 분포하는 생물 2차대사산물로 잘 알려져 있으며, 여러 생리활성이 규명되었다. 하지만, 작물의 생장조절기능성 연구결과는 잘 알려져 있지 않아, 본 연구에서는 신나밀기를 갖는 acid, amide, alcohol, aldehyde, ester등 46종의 유도체를 대상으로 발아와 유근생장억제능을 비교평가 하였다. 시험 결과, cinnamyl group을 기본 골격으로 하는 화합물의 경우 carboxylic acid group보다는 ester, amide, aldehyde와 같은 functional group에서 유근생장 억제능이 쉽게 관찰되는 것으로 확인되었다. 또한, EWG는 meta-position에 위치할 때 가장 효과가 높은 것으로 확인되었으며, cinnamamide, 3-chlorocinnamic acid와 4-methoxycinnamaldehyde는 100 mg/L 미만의 처리농도에서 배추에 대한 발아억제를 일으키지 않으며, 유근생장 생장억제기능성이 높아 작물 생장억제제로 사용가능한 cinnamyl 유도체임을 확인하였다.

Cinnamyl derivatives are abundant secondary metabolite in biomass, and they have been studied on their biological activities. However, little information was available for plant growth regulation of the cinnamyl derivatives. In here, the acid, amide, alcohol, aldehyde and ester of cinnamyl derivatives were screened for their root growth inhibition properties including germination. The aldehyde, amide and ester derivatives showed better the root growth inhibition than the carboxylic acid, and the meta-positioned electron withdrawing group on cinnamyl derivatives enhanced the inhibition activity. 3-Chlorocinnamic acid, cinnamaimde and 4-methoxycinnamaldehyde were highlighted with the early stage root development inhibition ($GR_{50}$ < 100 mg/L) on Brassica campestris.

키워드

참고문헌

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피인용 문헌

  1. Promotive Effects of Geraniol on Radicle Growth of Several Vegetables and Leaf Growth of Brassica campestris vol.19, pp.4, 2015, https://doi.org/10.7585/kjps.2015.19.4.399
  2. Development of New Plant Root Growth Suppressants from 1-Aryl ethanolamines vol.23, pp.2, 2014, https://doi.org/10.7585/kjps.2019.23.2.111