[1]孙昂,李莲芳,郭樑,等.长梗润楠扦插生根对IBA、NAA和IAA的响应[J].北方园艺,2017,41(16):102-106.[doi:10.11937/bfyy.20170271]
　SUN Ang,LI Lianfang,GUO Liang,et al.Reponse of Rooting Traits of Machilus longipedicellata  Rooted Cutting to IBA,NAA and IAA[J].Northern Horticulture,2017,41(16):102-106.[doi:10.11937/bfyy.20170271]

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长梗润楠扦插生根对IBA、NAA和IAA的响应

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第41卷期数: 2017年16 页码: 102-106 栏目: 出版日期: 2017-08-30

Title:: Reponse of Rooting Traits of Machilus longipedicellata  Rooted Cutting to IBA,NAA and IAA

作者:: 孙昂1; 李莲芳2; 郭樑3; 苏柠4; （1.商丘市农林科学院，河南商丘 476000；2.西南林业大学林学院，云南昆明 650224； 3.中交第一公路勘察设计研究院有限公司，陕西西安 710000；4.大理市林业局，云南大理 671000）

Author(s):: SUN Ang1; LI Lianfang2; GUO Liang3; SU Ning4; (1.Shangqiu Academy of Agriculture and Forestry Sciences,Shangqiu,Henan 476000;2.Forestry College，Southwest Forestry University,Kunming，Yunnan 650224;3.China Communication Construction Corporation First Highway Consultants Co.Ltd.,Xi′an,Shaanxi 710000;4.Dali Forestry Bureau,Dali,Yunnan 671000)

关键词:: 长梗润楠; 扦插繁殖; 植物生长调节剂

Keywords:: Machilus longipedicellata; cutting propagation; plant growth regulator

DOI:: 10.11937/bfyy.20170271

文献标志码:: A

摘要:: 长梗润楠（Machilus longipedicellata）是西南地区的特有树种之一，也是优良的绿化树种。以长梗润楠为试材，采用U7(76)方法，研究了IBA、NAA、IAA对长梗润楠扦插生根的影响。结果表明：扦插9个月时，平均愈伤组织产生率、生根率、一级根数、一级根长和一级根直径分别为78.9%～85.6%、84.5%～92.2%、2.7~3.7条?株-1、9.7~14.6 cm和1.22~1.58 mm；0.75 g?L-1 IAA+0.4 g?L-1 IBA组合的生根率、平均一级根数、一级根直径和根长分别达85.5%、3.5条?株-1、1.58 mm和13.5 cm，为生根性状综合指标较优的处理组合。穗条的生根率与愈伤组织产生率间呈极显著正相关（P≈0.000<0.01），二者的相关模型为Y=26.846+0.629X（R2=0.506，R2Adj=0.484）。

Abstract:: Machilus longipedicellata is one of the endemic tree species in the southwest of China,and it is also an excellent greening tree species.In order to provide scientific basis for exogenous hormone treatments on Machilus longipedicellata rooted cutting,the U7(76) uniform design was applied to implement the experiment of the effects of IBA,NAA and IAA on the tree′s rooting traits.The results showed that the mean rates of the callus and rooting,root number,the lengths and basal diameters of the first lateral roots (FLR) were 78.9%-85.6%,84.5%-92.2%,2.7-3.5 root per seedling,9.7-14.6 cm and 1.22-1.58 mm,respectively,after the experiment implemented for the 90 days;there were 85.5%,3.5 root per seedling,1.58 mm and 13.5 cm of mean callus and rooting rates,root number,the FLR′s diameter and length,respectively,for the treatment combination (TC) of the 0.75 g?L-1 IAA+0.4 g?L-1 IBA,which was the best TC of comprehensive rooting traits.It was significantly positive correlation between the rates of the rooting and callus (P≈0.000<0.01) with related model of Y=26.846+0.629X (R2=0.506,R2Adj=0.484).

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备注/Memo

第一作者简介：孙昂（1987-），女，硕士，研究实习员，现主要从事林木遗传育种等研究工作。E-mail:lanlianhuayu1314@sina.com. 责任作者：李莲芳（1964-），女，教授，博士生导师，现主要从事森林培育与遗传育种及林学教学等工作。E-mail:llianf@126.com. 基金项目：林业科学技术推广资助项目（[2015]26号，[2010]48号）；国家自然科学基金资助项目（31170585）。收稿日期：2017-04-17

更新日期/Last Update: 2017-08-31