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离体培养西葫芦子叶花芽分化最佳龄期的选择(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2001年06期
Page:
15-18
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
Studies on the Floral Bud Differentiation of Cotyledon of Cucurbita Pepo L. in Vitro
Article ID:
1000-2006(2001)06-0015-04
Author(s):
HUANG Zuo-xi1 SHEN Hui-juan2 XIE Yin-feng2
1. Horticulture Research Institute of Yunnan Academy of Agricultural Sciences,Kunming 650205 ,China; 2. Nanjing Forestry University,Nanjing 210037,China
Keywords:
Floral bud differentiation HormonesPolyaminesCucurbita pepo L.
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2001.06.004
Document Code:
A
Abstract:
We chose the cotyledous of cucurbit seedlings during first real leaf emerged as explant. KT 1.0 mg/L as a ideal hormone treatment in which a floral experimental system of cucurbit cotyledon was established in vitro. This system showed good repeat and higher ratio of floral bud differentiation (60%). The content of endogenous GA1/3 in the cotyledons is lower during first real leaf of cucurbit seedlings, but ZRs increased significantly, meanwhile ZRs/GA1/3 ABA/GA1/3 Spd/Put Spm/Put showed higher ratio which benefit floral bud differenfiation of cotyledons. So that it is ideal seedlings age to cut cotyledon during first real leaf emerged of cucurbit seedlings.

References

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Last Update: 1900-01-01