PAN Yue,LU Mingyan,DU Yan,et al.Effect of Different Kinds of Exogenous Hormone Concentrations on Cutting Rooting of Aronia melacarpa Twigs[J].Northern Horticulture,2018,42(16):112-120.[doi:10.11937/bfyy.20172918]
不同外源激素浓度对黑果腺肋花楸嫩枝扦插生根效果的影响
- Title:
- Effect of Different Kinds of Exogenous Hormone Concentrations on Cutting Rooting of Aronia melacarpa Twigs
- Keywords:
- Aronia melacarpa; twig cutting; exogenous hormone; rooting traits; PCA
- 文献标志码:
- A
- 摘要:
- 以黑果腺肋花楸为试材，通过不同外源激素浓度对其嫩枝扦插生根效果的影响，基于主成分分析法对各处理组合的扦插效果进行了综合评价。结果表明：经不同浓度外源激素处理插穗生根性状影响较大，其中分枝数、一级根根数、二级根根数和根长变异程度较大，达70%以上。经因子分析提取出2个特征根>1的主成分，累计方差贡献率达89.109%。综合得分来看，经500 mg·L-1的ABT1综合得分最高，插穗根系最多；经800 mg·L-1激素处理的插穗次之，生根率与苗高最高；对照（CK）生根性状各项指标均为最低。在生产推广过程中应根据育苗需求有选择性的配置激素浓度。
- Abstract:
- Aronia melacarpa was taken as test material, effects of different kinds of hormone concentration exogenous on the rooting effect of the shoots were studied. PCA was used to evaluate the treatment combination which effect on cutting. The results showed that there was a large variation of rooting characteristics by different concentrations of exogenous hormone, among branching number, primary root number, secondary root number, root length, which were more than 70%. Two principal components which characteristic root were more than one were extracted by PCA and their cumulative variance contribution rate reached 89.109%.Overall,500 mg·L-1 of ABT1 had the highest score with the rooting number, 800 mg·L-1 of ABT1 followed, which had the highest rooting rate and seedling height, CK had the lowest score for rooting traits. In the process of production promotion,hormone concentration should be selectivly configurated according to the requirements of seedling.
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备注/Memo
第一作者简介：潘越（1990-），男，硕士，助理研究员，现主要从事经济树种的引种示范与推广等工作。E-mail：18690187637@163.com.责任作者：张东亚（1965-），男，硕士，研究员，研究方向为果树良种选育和经济林栽培技术。E-mail：zdywah998@126.com.基金项目：国家科技部国际科技合作资助项目（2014DFR31070）。收稿日期：2017-10-30