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杉木成年优树组培生根研究(PDF)

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

Issue:
2013年06期
Page:
169-172
Column:
研究简报
publishdate:
2013-11-27

Article Info:/Info

Title:
Studies on factors influencing rooting efficiency from mature Chinese fir superior clones in vitro
Article ID:
1000-2006(2013)06-0169-04
Author(s):
ZHOU Xiaohong1 ZHANG Yuanli1 LI Meiping1 ZHAO Fangfang1 CHEN Jinhui1 ZHENG Renhua2 XIAO Hui2 HUANG Jinhua3 ZHANG Zhicai3 LI Yong3 ZHEN
1. Key Laboratory of Forest Genetics and Biotechnology Ministry of Education, Nanjing Forestry University, Nanjing 210037, China;
2. Fujian Academy of Forestry Science, Fuzhou 350000, China;
3. Yangkou National Forest Farms, Shunchang 353211, C
Keywords:
Cunninghamia lanceolata organogenesis rooting genotype
Classification number :
Q813.1+2
DOI:
10.3969/j.issn.1000-2006.2013.06.034
Document Code:
A
Abstract:
Using three different genotypes of shoot sections of mature superior clones of Cunninghamia lanceolata, the effect of factors such as plant growth regulators(PGRs), genotypes, basal medium and activated charcoal were studied for rooting frequency. The results showed that genotypes and NAA were key factors influencing rooting efficiency. Genotype 1# was more capable of rooting. The basal medium 1/4 DCR added with IBA 1.0 mg/L or NAA 0.5-1.0 mg/L could increase rooting efficiency to the level of 90%. Genotype 2# had a weaker ability of rooting. The 1/2DCR basal medium added with IBA 1.5 mg/L or NAA 1.0 mg/L was better in adventitious roots induction for this genotype. For genotype 3#, it had the best rooting efficiency when the level of IBA was 1.5 mg/L or the level of NAA was 1.0 mg/L, 3/4 DCR was fit for rooting. Addition of activated charcoal could not effectively improve rooting in this experiment.

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Last Update: 2013-11-30