Citrinolactones A, B and C, and sclerotinin C, plant growth regulators from Penicillium citrinum
2007
Kuramata, M.(Tottori Univ. (Japan). Faculty of Agriculture) | Fujioka, S. | Shimada, A. | Kawano, T. | Kimura, Y.
New plant growth regulators, named citrinolactones A (1), B (2) and C (3) and sclerotinin C (4), were isolated from Penicillium citrinum and their structures established by spectroscopic methods including 2D NMR. Compounds 1 and 4 increased root growth in proportion to their concentration from 3 to 300 mg/l. In contrast, 2 completely inhibited root growth at a concentration of 300 mg/l and 3 did not show any effect on root growth in a concentration range of 3-300 mg/l.
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