[1]李俊南,李莲芳,熊新武,等. 插穗母树年龄和粗度对薄壳山核桃硬枝扦插的影响[J].西北林学院学报,2013,28(04):94-97.[doi:10.3969/j.issn.1001-7461.2013.04.19]
　LI Jun-nan,LI Lian-fang,XIONG Xin-wu,et al. Effects of Parent Tree Age and the Thickness of Cuttings on Rooting Capability of Carya illinoensis[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(04):94-97.[doi:10.3969/j.issn.1001-7461.2013.04.19]
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 插穗母树年龄和粗度对薄壳山核桃硬枝扦插的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第28卷
期数:
2013年04期
页码:
94-97
栏目:
出版日期:
2013-07-30

文章信息/Info

Title:
 Effects of Parent Tree Age and the Thickness of Cuttings on Rooting Capability of Carya illinoensis
文章编号:
1001-7461(2013)04-0094-04
作者:
 李俊南; 李莲芳; 熊新武; 王高升; 刘恒鹏; 习学良
 (1.云南省林业科学院 漾濞核桃研究院，云南 漾濞 672500;2.西南林业大学,云南 昆明 650224)
Author(s):
 LI Jun-nan; LI Lian-fang; XIONG Xin-wu; WANG Gao-sheng; LIU Heng-peng; XI Xue-liang
 (1.Yangbi Hickory Research Institute,Yunnan Academy of Forestry, Yangbi,Yunnan 672500, China；2.Southwest Forest University,Kunming,Yunnan 650224, China)
关键词:
 ; 薄壳山核桃; 母树年龄; 硬枝; 扦插
Keywords:
Carya illinoensis;  age of tree;  blunt stick;  cutting
分类号:
S723.132.1
DOI:
10.3969/j.issn.1001-7461.2013.04.19
文献标志码:
A
摘要:
 探讨薄壳山核桃不同母树年龄和不同粗度对插穗生根能力的影响，采用1年生硬枝进行扦插试验。母树选择2、5、16年生和25年生，采用IBA-0.2 g·L-1处理插穗。插穗粗度设为≤0.5、0.5~0.8、≥0.8 cm 3个径级，插穗用不同浓度的IBA、NAA进行处理。结果表明，2年生母树穗条的愈伤组织产生率和生根率分别为87.7%、14.4%，明显高于其他年龄母树。插穗粗度≥0.8 cm穗条的效果最好，其平均愈伤组织产生率和生根率分别达33.1%和9.7%。≥0.8 cm 穗条的IBA1.0 g·L-1+NAA0.25 g·L-1混合液处理效果最佳，2个指标分别达43.0%和14.6%。相同母树年龄的插穗其愈伤组织产生率和生根率与粗度成正相关。
Abstract:
 Effects of parent tree age and the thickness of cuttings on rooting capability of Carya illinoensis were investigated.One year old cuttings with the thicknesses of 0.5 cm,0.5~0.8 cm,≥ 0.8 cm were collected from parent trees with the ages of 2,5,16,and 25 a.Cuttings were treated with different concentrations or combinations of IBA,and NAA.The results indicated the callus formation rate (CFR) and rooting rate (RR) of the cuttings from 2-year-old parent tree were 87.7% and 14.4%,significantly higher than others.The best results were observed from the cuttings with the thickness of≥0.8 cm,the CFR and RR were 33.1% and 9.7%.The treatment of IBA1.0 g·L-1+NAA0.25 g·L-1 exhibited the best results after treating the cuttings with the thickness of≥0.8 cm,and the CFR and RR were 43.0% and 14.6%.Under the same ages of parent tree,the CFR and RR of the cuttings were positively correlated to thickness.

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备注/Memo

备注/Memo:
 收稿日期：2012-11-14 修回日期：2013-02-21
基金项目：国家产业化专项基金“云南省薄壳山核桃良种繁育基地建设 ( 2009-087)。
作者简介：李俊南，女，研究实习员，研究方向：经济林栽培和繁育。E-mail:lijunnan189@163.com
*通信作者：熊新武，男，助理研究员，研究方向：经济林栽培。E-mail:xiongxinwu110@163.com
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