短梗大参扦插繁殖试验  

Cutting propagation of Macropanax rosthornii

作　　者：柏文富[1] 聂东伶[1] 吴思政[1] 韩小玲[1] 曾志新[1] 

机构地区：[1]湖南省森林植物园,湖南长沙410116

出　　处：《湖南林业科技》2012年第6期24-27,共4页Hunan Forestry Science & Technology

基　　金：湖南省花卉产业专项(2012Hh90-06);湖南省科技厅基础研究项目(2007FJ3022)

摘　　要：以湖南省永顺县引种栽植于湖南省森林植物园花卉中心花圃的短梗大参为试验材料,采用不同直径插穗,以不同浓度的植物激素处理后进行扦插繁殖试验。结果表明:植物激素对短根大参扦插繁殖生根有明显的促进作用,ABT以600 mg/L的处理效果最好,IAA以100 mg/L的处理效果最好,IBA以100 mg/L的处理效果最好,其中又以100 mg/L的吲哚丁酸浸泡处理8 h的效果最好,平均扦插成活率可达98%,平均扦插生根数35.57条,平均根长73.46 cm;不同直径插穗的生根率差异明显,以1.3～1.5 cm之间的生根率最高。The test material Macropanax rosthornii introduced from Yongshun County of Hunan Province was planted in the flower nurs- ery of Hunan Forest Botanical Garden. The cutting test of Macropanax rosthornii was conducted by different plant hormones and distinct cuttings in diameter. The results showed that plant hormones such as IAA, IBA and ABT induced the root initiation of Macropanax ros- thornii cutting distinctly, and the optimum concentration of ABT, IAA and IBA were 600 mg/L, 100 mg/L and 100 mg/L respectively, among which 100 mg/L IBA treatment of 8 hours resulted in the cutting survival rate of 98%, the average root length of 73.46 cm and the average rooting number of 35.57. The cuttings in diameter of 1.3 - 1.5 cm showed an optimal .rooting ability.

关 键 词：短梗大参 扦插 植物激素 

分 类 号：S567.19[农业科学—中草药栽培] S685.99[农业科学—作物学]