Volume 26 Issue 3
Jun.  2009
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ZHANG Qi-xiang, FU Su-jing, FANG Yan-ming, CHEN Na. Protocorm-like body (PLB) development on Dendrobium officinale[J]. Journal of Zhejiang A&F University, 2009, 26(3): 444-448.
Citation: ZHANG Qi-xiang, FU Su-jing, FANG Yan-ming, CHEN Na. Protocorm-like body (PLB) development on Dendrobium officinale[J]. Journal of Zhejiang A&F University, 2009, 26(3): 444-448.

Protocorm-like body (PLB) development on Dendrobium officinale

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  • Corresponding author: FANG Yan-ming
  • Publish Date: 2009-06-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Protocorm-like body (PLB) development on Dendrobium officinale

    Corresponding author: FANG Yan-ming

Abstract: To determine the most effective medium for protocorm-like body(PLB) induction and growth,shoot tips of Dendrobium officinale were cultured on media. Then,several compound addenda were added to the media to determine the best treatment for PLB multiplication,and this was followed by anatomical observation of PLB formation on D. officinale. Results showed that the best medium for PLB induction and embling regeneration was 1/2MS + 0.5 mg·L-1 6-BA + 0.05 mg·L-1 NAA + 0.1 mg·L-1 KT + 1.0 g·L-1 LH with potato juice. The anatomical observation showed that the PLBs developed from the tissue behind the apical meristem,which could dedifferentiate into embryogenetic cells. The process was as follows:creamy global structures were visible after 40 d,and these gradually increased. Cells on the edge of the PLBs continued to dedifferentiate forming a global colony. These global structures grew into bumps when the PLBs multiplied. [Ch,1 fig. 2 tab. 13 ref.]

ZHANG Qi-xiang, FU Su-jing, FANG Yan-ming, CHEN Na. Protocorm-like body (PLB) development on Dendrobium officinale[J]. Journal of Zhejiang A&F University, 2009, 26(3): 444-448.
Citation: ZHANG Qi-xiang, FU Su-jing, FANG Yan-ming, CHEN Na. Protocorm-like body (PLB) development on Dendrobium officinale[J]. Journal of Zhejiang A&F University, 2009, 26(3): 444-448.

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