[1]赵子荀,吴秀萍,刘 政,等.外源激素对鸦头梨硬枝扦插生根的影响[J].江苏林业科技,2019,46(01):6-10.[doi:10.3969/j.issn.1001-7380.2019.01.002]
　Zhao Zixun,Wu Xiuping,Liu Zheng,et al.Effects of exogenous hormones on rooting of Melliodendron xylocarpum cuttings[J].Journal of Jiangsu Forestry Science &Technology,2019,46(01):6-10.[doi:10.3969/j.issn.1001-7380.2019.01.002]
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外源激素对鸦头梨硬枝扦插生根的影响()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第46卷
期数:
2019年01期
页码:
6-10
栏目:
试验研究
出版日期:
2019-02-28

文章信息/Info

Title:
Effects of exogenous hormones on rooting of Melliodendron xylocarpum cuttings
文章编号:
1001-7380（2019）01-0006-05
作者:
赵子荀1; 吴秀萍1; 刘 政1; 冯 凯1; 许中秋1; 童丽丽2; 许晓岗1*
1. 南京林业大学 南方现代林业协同创新中心/生物与环境学院，江苏南京 210037；
2. 金陵科技学院园艺园林学院，江苏南京 210038
Author(s):
Zhao Zixun1;  Wu Xiuping1;  Liu Zheng1;  Feng Kai1;  Xu Zhongqiu1;  Tong Lili2;  Xu Xiaogang1*
1. Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China;
2. School of Horticulture & Landscape Architecture, Jinling Institute of Technology, Nanjing 210038, China
关键词:
鸦头梨; 安息香科; 硬枝扦插; 激素; 生根率
Keywords:
Melliodendron xylocarpum ; Styracaceae; Cutting; Hormone; Rooting rate
分类号:
S794.9;S723.1+32.1
DOI:
10.3969/j.issn.1001-7380.2019.01.002
文献标志码:
A
摘要:
以5年生鸦头梨实生苗为材料，采用 L16 (43) 正交试验设计探索激素类型、质量浓度及处理时间3因素对鸦头梨硬枝插穗生根的影响。以生根率、最长不定根长度、不定根数量和生根时间为测定指标，综合评价鸦头梨插穗生根能力。结果表明：外施激素对鸦头梨硬枝插穗生根有促进作用，插穗最高生根率达46.13%，最短生根时间为29 d。正交试验3因素中，激素类型对硬枝插穗效果影响最大，处理时间次之，处理质量浓度影响相对较小；其中，激素类型对最长不定根长度和不定根数量的影响达到极显著水平，对生根率和生根时间的影响达到显著水平；处理时间对各生根指标的影响均达到显著水平；质量浓度仅对最长不定根长度和生根时间的影响达到显著水平。综合4项生根指标，鸦头梨硬枝扦插生根效果最佳处理组合为1 000 mg/L的IAA+IBA+NAA（1∶1∶1）混合剂处理插穗30 min。
Abstract:
By using 5-year-old seedings of Melliodendron xylocarpum as test materials, L16 (43) of orthogonal experiment design was applied to analyze the effects of hormone types, concentration and treatment time on rooting of hardwood cuttings. Rooting rate, length of longest adventitious root, number of adventitious roots and rooting time were observed as parameters to evaluate the rooting ability of cuttings comprehensively. The results showed that： Exogenous hormone had a promotion on rooting of M. xylocarpum cuttings. The highest rooting rate of hardwood cuttings was up to 46.13%, and the shortest rooting time is 29 d. Among the 3 factors of orthogonal tests, the hormone type took the greatest influence on hardwood cutting, treatment time occupied second place, and hormone concentration ranked the least. The hormone type took highly significant influences on length of longest adventitious root and number of adventitious roots, and significant influences on rooting rate and rooting time. The treatment time had significant effects on all rooting effect indexes, while hormone concentration only had a significant influence on the length of longest adventitious root and rooting time. A conclusion could be drawn that the optimum combination of rooting of cuttings should be the treatment with 1000 mg/L concentration of IAA+IBA+NAA (1∶1∶1)for 30 min.

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备注/Memo

备注/Memo:
收稿日期：2019-01-20;修回日期：2019-01-25
基金项目：江苏省林业科技创新与推广项目“红花茉莉繁育技术集成示范推广”(LYKJ［2018］13)；南京市绿化园林局科技项目“红花茉莉快繁与培育关键技术创新”(YLKJ201812ZD)；常熟市农业产业关键技术创新项目“红花野茉莉高效栽培与繁育关键技术研发”(CN201710)；江苏高校优势学科建设工程资助项目(PAPD)
作者简介：赵子荀 (1997- )，女，山西临汾人，硕士研究生。研究方向：植物学。
*通信作者：许晓岗 (1968- )，男，江苏南京人，副教授/高级工程师，博士。主要从事植物资源利用研究。E-mail：1208657126@qq.com。
更新日期/Last Update: 2019-04-18