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학술저널
저자정보
Choi, Geun-Hyoung (Chemical Safety Division, National Institute of Agricultural Science, Rural Development Administration) Ro, Jin-Ho (Chemical Safety Division, National Institute of Agricultural Science, Rural Development Administration) Park, Byoung-Jun (Chemical Safety Division, National Institute of Agricultural Science, Rural Development Administration) Lee, Deuk-Yeong (Division of Applied Life Science [BK21 plus program], Institute of Agriculture and Life Science, Gyeongsang National University) Cheong, Mi-Sun (Division of Applied Life Science [BK21 plus program], Institute of Agriculture and Life Science, Gyeongsang National University) Lee, Dong-Yeol (Division of Applied Life Science [BK21 plus program], Institute of Agriculture and Life Science, Gyeongsang National University) Seo, Woo-Duck (Crop Foundation Division, National Institute of Crop Science, Rural Development Administration) Kim, Jin Hyo (Division of Applied Life Science [BK21 plus program], Institute of Agriculture and Life Science, Gyeongsang National University)
저널정보
한국응용생명화학회 Journal of applied biological chemistry Journal of applied biological chemistry 제59권 제2호
발행연도
2016.1
수록면
159 - 164 (6page)

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Plant growth regulator is an essential pesticide to date while the available active ingredient is not well understood unlike fungicide, insecticide and herbicide. This study was aimed to evaluate a new chemical class of plant growth regulator, and the total of 92 benzene derivatives were screened for their germination and early stage of the root growth regulation on Brassica campestris. Thirty benzaldehydes, nine acids, one amide, and one ester showed potent root growth inhibitory activity (>70 % inhibition) while only salicylaldehyde showed potent germination inhibition ($IC_{50}=81.2mg/L$) suggesting that benzaldehyde was a key module candidate for the growth inhibition. Benzaldehydes were further evaluated for root growth inhibition. 2,3-Dihydroxybenzaldehyde and salicylaldehyde showed $IC_{50}$ values of 8.0 and 83.9 mg/L, respectively. On the other hand, salicylaldehyde, and 2,4,5-trihydroxybenzaldehyde were found to have root growth promotion effects less than 10 mg/L. This result suggests that the benzaldehyde is a new class candidate for plant growth regulator.

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