Journal of Photoscience

Korean Society of Photoscience (한국광과학회)
권호 표지

SUBSTITUENT EFFECT ON THE INHIBITION OF CHLOROPHYLL FORMATION BY N-PHENYL OXADIAZOLIDINEDIONE DERIVATIVES IN CUCUMBER AND SPECULATION ON THE HERBICIDAL ACTION

  • Hwang, Kwang-Jin (Department of Industrial Chemistry, Hongik University) ;
  • Kim, Hyung-Jin (Department of Chemical Technology, Chonnam National University) ;
  • Kim, Jin-Seog (Korea Research Institute of Chemical Technology, P.O.)
  • Published : 1996.09.01
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Abstract

The inhibition of chlorophyll formation in cucumber cotyledons by N-phenyl oxadiazolidinedione derivatives Ia-u showed similar trend as their herbicidal activities. In case of oxadiazolidinedione Iq, with a propargyloxy substituent, both the highest herbicidal activity and inhibitory action(pI$_{50}$ = 6.37) were observed. The accumulation of protoporphyrin IX and cellular electrolyte leakage by oxadiazolidinedione Ia, Ik and Iq were well correlated with their inhibition of chlorophyll biosynthesis. These results suggest that the herbicidal activity of oxadiazolidine Ia-u is originated from the inhibition of chlorophyll biosynthesis.

Keywords

References

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