Plant and Cell Physiology, 1986, Vol. 27, No. 2 199-205
© 1986
Article |
Reproductive Development of Higher Plants as Influenced by Brassinolide
Institute for Agricultural Research, Tohoku University Katahira, Sendai 980, Japan
The effect of brassinolide (BR) on the reproductive development of higher plants was investigated using three different experimental system. Direct application of BR to the staminate inflorescence of Luffa cylindrica induced bisexual and pistillate flowers, and eventually caused the inflorescence to develop into a shoot that was similar to the main shoot. However, the activity of BR on this sex modification was inferior to that of N6-benzylaminopurine.
BR slightly hastened the flowering of nonvernalized radish plants, Raphanus satiuus cv. Miyashige-sofuto, whereas no such effect was observed in vernalized plants. GA3 promoted flowering both in nonvernalized and vernalized plants.
BR had no activity to induce flowering in a short day plant Perilla frutescence under noninductive conditions.
(Received July 9, 1985; Accepted November 18, 1985)
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