Biologia Plantarum

, Volume 53, Issue 1, pp 188–190 | Cite as

Responses of tiller growth and related genes expression in rice to red and blue radiation

Brief Communication


In the present study, we investigated tiller formation in rice cultivated under red radiation (R), red supplemented with 10 % of blue radiation (RB), and white radiation (W). In addition, expression of three genes related to tiller formation, OSH1, MOC1, and OsTB1, was analyzed at both vegetative and reproductive stages. RB promoted the outgrowth of tiller buds and increased tiller numbers significantly. Transcription of MOC1 and OsTB1 in RB was higher than in R, whereas OSH1 expression was independent on radiation quality.

Additional key words

laser diode Oryza sativa real time RT-PCR spectral composition of radiation 



blue radiation


light-emitting diode


laser diode


metal halide lamp


photosynthetic photon flux density


red radiation


red supplemented with 10 % of blue radiation


reverse transcriptase-polymerase chain reaction


spectral photon-number distribution


white radiation


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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  1. 1.Institute of Nuclear-Agricultural SciencesZhejiang UniversityZhejiangP.R. China
  2. 2.Central Research Laboratory, Hamamatsu Photonics, HirakuchiHamamatsuJapan
  3. 3.School of AutomationHangzhou Dianzi UniversityHangzhouP.R. China

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