WANG Shu-an,WANG Peng,ZHANG Zhen-yu,et al.Study on Propagation by Cutting of Lagerstroemia indica L.‘Jinwei’[J].Northern Horticulture,2013,37(11):72-75.
‘金薇’的硬枝扦插技术研究
- Title:
- Study on Propagation by Cutting of Lagerstroemia indica L.‘Jinwei’
- 文章编号:
- 1001-0009(2013)11-0072-04
- 分类号:
- S 685.99
- 文献标志码:
- A
- 摘要:
- ‘金薇’是江苏省中国科学院植物研究所自主培育的我国第一个彩叶紫薇品种。该品种叶呈现金黄色,稳定且持续时间长,是紫薇家族中的特殊观赏种质,具有较高的推广价值和应用前景。以‘金薇’当年生无病虫害的枝条为试材,研究了吲哚丁酸(IBA)浓度、插穗直径和扦插基质3个因素对‘金薇’硬枝扦插生根率、根长和根数的影响。结果表明:IBA 浓度、插穗直径和基质配比均对生根率和根长有显著影响,但对根数的影响不显著;最适宜的扦插生根的因素组合为IBA 800 mg/L+珍珠岩∶泥炭土=1∶1混合基质+直径02~03 cm的插穗,该组合下扦插生根率可达90%以上。
- Abstract:
- Lagerstroemia indica L.‘Jinwei’ is a new Crape Myrtle cultivar by Institute of botany,Jiangsu province and the Chinese academy of Science.Because of its blade feathers stable and sustainable yellow,the cultivar was extended and applied in garden as a kind of special ornamental germplasm.In this paper,the effects of IBA,cuttings diameter and matrix on the rooting rate and root length were studied.The results showed that all of these variable had significant impact on the rooting rate and root length using the fresh twigs without disease and insect injury.The highest cuttings rooting rate was above 90% with the combination of IBA 800 mg/L + 1:1(V/V) mixed perlite/peat+ 0.2~0.3 cm finer cuttings diameter.
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备注/Memo
第一作者简介:王淑安(1986-),男,山东菏泽人,硕士,现主要从事园林植物生理等研究工作。E-mail:lzwandwsa@126.com.
责任作者:李亚(1969-),男,博士,研究员,现主要从事植物资源学等研究工作。E-mail:yalicnbg@yahoo.com.cn.
基金项目:江苏省农业自主创新资金资助项目(CX(11)1039);江苏省科技公共服务平台资助项目(BM2012058);江苏省农业三新工程资助项目(SXGC(2012)412);南京市现代农业生产技术资助项目(201201021)。
收稿日期:2013-01-15