Rooting capabilities for Taxodium ‘Zhongshanshan’ 302, 118, and 405

WANG Ziyang; XU Jianhua; LI Huogen; YU Chaoguang; YIN Yunlong

doi:10.11833/j.issn.2095-0756.2015.04.023

Volume 32 Issue 4

Jul. 2015

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WANG Ziyang, XU Jianhua, LI Huogen, YU Chaoguang, YIN Yunlong. Rooting capabilities for Taxodium ‘Zhongshanshan’ 302, 118, and 405[J]. Journal of Zhejiang A&F University, 2015, 32(4): 648-654. doi: 10.11833/j.issn.2095-0756.2015.04.023

Citation:

WANG Ziyang, XU Jianhua, LI Huogen, YU Chaoguang, YIN Yunlong. Rooting capabilities for Taxodium ‘Zhongshanshan’ 302, 118, and 405[J]. Journal of Zhejiang A&F University, 2015, 32(4): 648-654. doi: 10.11833/j.issn.2095-0756.2015.04.023

Rooting capabilities for Taxodium ‘Zhongshanshan’ 302, 118, and 405

doi: 10.11833/j.issn.2095-0756.2015.04.023

1.
Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, 210014, Jiangsu China;
2.
Forestry College, Nanjing Forestry University, Nanjing 210037, Jiangsu, China

Funds:

江苏省农业科技自主创新资金资助项目（CX132046）;江苏省前瞻性研究专项资金资助项目（BE2014377）;江苏省科技基础设施建设计划?鄄科技公共服务平台资助项目（BM2012058）

Received Date: 2014-10-29
Rev Recd Date: 2015-01-07
Publish Date: 2015-08-20

Abstract

To explore the asexual rooting capabilities among clones selected at 1979, 1993, 2004, respectively, the rooting rate, rooting number, length and basal diameter of the maximum root were compared among three clones of Taxodium Zhongshanshan302, 118, 405 with different treatments of water control, 1 000 mgL－1 indole acetic acid, 1 000 mgL－1 naphthyl acetic acid, 2 000 mgL－1 indole acetic acid, 2 000 mgL－1 naphthyl acetic acid, 1:1 mixture of 1 000 mgL－1 indole acetic acid and 1 000 mgL－1 naphthyl acetic acid, 1:1 mixture of 2 000 mgL－1 indole acetic acid and 2 000 mgL－1 naphthyl acetic acid. Results showed that: 1） The rooting rate of T. Zhongshanshan 302 was significantly lower （P＜0.05） than those of T. Zhongshanshan 118 and T. Zhongshanshan 405 in control condition or treatment with 2 000 mgL－1 indole acetic acid, while significantly lower（P＜0.01） in the rest of treatments. The percentage of cuttings with rooting number more than four of T. Zhongshanshan 302 was significantly lower （P＜0.01） than those of T. Zhongshanshan 118 and T. Zhongshanshan 405 in 1 000 mgL－1 naphthyl acetic acid, 2 000 mgL－1 naphthyl acetic acid, 1:1 mixture of 2 000 mgL－1 indole acetic acid and 2 000 mgL－1 naphthyl acetic acid, while significantly lower（P＜0.05） in 1 000 mgL－1 indole acetic acid, 1:1 mixture of 1 000 mgL－1 indole acetic acid and 1 000 mgL－1 naphthyl acetic acid. 2）Compared to the control, the rooting rate for all three clones were significantly greater（P＜0.05） for each hormone treatment, excepting 1 000 mgL－1 indole acetic acid, 1:1 mixture of 1 000 mgL－1 indole acetic acid and 1 000 mgL－1 naphthyl acetic acid; the percentage of cuttings with rooting number more than four for all three clones were significantly greater（P＜0.05） for 2 000 mgL－1 naphthyl acetic acid. Overall, there were significant differences in rooting capabilities among the three clones. And the rooting rate and rooting number for all three clones could be improved by hormone treatments. Among the 7 treatments, the treatment with 1:1 mixture of 2 000 mgL－1 indole acetic acid and 2 000 mgL－1 naphthyl acetic acid gained the highest rooting rate and the largest rooting number. ［Ch, 4 fig. 1 tab. 21 ref.］
- silviculture,
- Taxodium ‘Zhongshanshan’,
- cutting propagation,
- rooting capabilities,
- hormone treatments

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Rooting capabilities for Taxodium ‘Zhongshanshan’ 302, 118, and 405

1. Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, 210014, Jiangsu China;

2. Forestry College, Nanjing Forestry University, Nanjing 210037, Jiangsu, China

Funds:

Received Date: 2014-10-29

Rev Recd Date: 2015-01-07

Publish Date: 2015-08-20

Key words:

Abstract: To explore the asexual rooting capabilities among clones selected at 1979, 1993, 2004, respectively, the rooting rate, rooting number, length and basal diameter of the maximum root were compared among three clones of Taxodium Zhongshanshan302, 118, 405 with different treatments of water control, 1 000 mgL－1 indole acetic acid, 1 000 mgL－1 naphthyl acetic acid, 2 000 mgL－1 indole acetic acid, 2 000 mgL－1 naphthyl acetic acid, 1:1 mixture of 1 000 mgL－1 indole acetic acid and 1 000 mgL－1 naphthyl acetic acid, 1:1 mixture of 2 000 mgL－1 indole acetic acid and 2 000 mgL－1 naphthyl acetic acid. Results showed that: 1） The rooting rate of T. Zhongshanshan 302 was significantly lower （P＜0.05） than those of T. Zhongshanshan 118 and T. Zhongshanshan 405 in control condition or treatment with 2 000 mgL－1 indole acetic acid, while significantly lower（P＜0.01） in the rest of treatments. The percentage of cuttings with rooting number more than four of T. Zhongshanshan 302 was significantly lower （P＜0.01） than those of T. Zhongshanshan 118 and T. Zhongshanshan 405 in 1 000 mgL－1 naphthyl acetic acid, 2 000 mgL－1 naphthyl acetic acid, 1:1 mixture of 2 000 mgL－1 indole acetic acid and 2 000 mgL－1 naphthyl acetic acid, while significantly lower（P＜0.05） in 1 000 mgL－1 indole acetic acid, 1:1 mixture of 1 000 mgL－1 indole acetic acid and 1 000 mgL－1 naphthyl acetic acid. 2）Compared to the control, the rooting rate for all three clones were significantly greater（P＜0.05） for each hormone treatment, excepting 1 000 mgL－1 indole acetic acid, 1:1 mixture of 1 000 mgL－1 indole acetic acid and 1 000 mgL－1 naphthyl acetic acid; the percentage of cuttings with rooting number more than four for all three clones were significantly greater（P＜0.05） for 2 000 mgL－1 naphthyl acetic acid. Overall, there were significant differences in rooting capabilities among the three clones. And the rooting rate and rooting number for all three clones could be improved by hormone treatments. Among the 7 treatments, the treatment with 1:1 mixture of 2 000 mgL－1 indole acetic acid and 2 000 mgL－1 naphthyl acetic acid gained the highest rooting rate and the largest rooting number. ［Ch, 4 fig. 1 tab. 21 ref.］

Rooting capabilities for Taxodium ‘Zhongshanshan’ 302, 118, and 405

doi: 10.11833/j.issn.2095-0756.2015.04.023

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views