Germination inhibitor from the Japanese cedar Cryptomeria japonica |
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Authors: | Chen Xiao Hui Kashiwagi Takehiro Tebayashi Shin-ichi Kim Chul-Sa |
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Institution: | Department of Bioresources Science, Faculty of Agriculture, Kochi University, B200 Monobe, Nankoku, Kochi, 783-8502, Japan. |
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Abstract: | (1S,6R)-2,7(14),10-Bisabolatrien-1-ol-4-one was identified as a germination inhibitor from the methanol extract of Japanese cedar wood, Cryptomeria japonica. The occurrence of this compound in 1 g fresh wood was 2.0 mg, and showed a maximum of 60% germination inhibition at the dose of 20 mg/filter paper (157 microg/cm(2)) against both of lettuce and rice seeds for 4 d. A selective activity between Dicotyledoneae and Monocotyledoneae seeds was not observed. |
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