Brassinolide and Homobrassinolide Promotion of Lamina Inclination of Rice Seedlings
Kojiro Wada(Nagoya University), Shingo Marumo(Nagoya University), Nobuo Ikekawa(Tokyo Institute of Technology), Masuo Morisaki(Tokyo Institute of Technology), Kenji Mori(The University of Tokyo)
Cited by 184
Abstract
Brassinolide, a new plant growth-promoting steroid lactone, and its synthetic analog, homobrassinolide, showed strong activity in stimulating the lamina inclination of rice plants at very low concentrations of 0.0005 and 0.005 μg/ml, respectively, whereas IAA showed only a weak effect on the lamina inclination at 50 μg/ml. Thus, the lamina inclination test is useful as a highly sensitive bioassay for brassinolide and related compounds.
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