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孙曾丽, 徐玉成, 薄育新, 等. ‘邳县2号’银杏硬枝扦插育苗技术研究[J]. 四川林业科技, 2021, 42(5): 128−132. DOI: 10.12172/202107100003
引用本文: 孙曾丽, 徐玉成, 薄育新, 等. ‘邳县2号’银杏硬枝扦插育苗技术研究[J]. 四川林业科技, 2021, 42(5): 128−132. DOI: 10.12172/202107100003
Sun Z L, Xu Y C, Bo Y X, et al. Study on hardwood cutting seedling raising technology of Ginkgo biloba ‘Pixian No.2’[J]. Journal of Sichuan Forestry Science and Technology, 2021, 42(5): 128−132. DOI: 10.12172/202107100003
Citation: Sun Z L, Xu Y C, Bo Y X, et al. Study on hardwood cutting seedling raising technology of Ginkgo biloba ‘Pixian No.2’[J]. Journal of Sichuan Forestry Science and Technology, 2021, 42(5): 128−132. DOI: 10.12172/202107100003

‘邳县2号’银杏硬枝扦插育苗技术研究

Study on Hardwood Cutting Seedling Raising Technology of Ginkgo biloba ‘Pixian No.2’

  • 摘要: 银杏是集材用、果用、药用价值于一体的优良园林观赏树种,银杏的扦插技术研究对银杏资源的开发利用有重要意义。本研究利用银杏良种‘邳县2号’开展扦插技术研究,结果表明:选用枝条中部插穗、插穗粗度0.5~1.1 cm、插穗长度14~16 cm、扦插深度11 cm、萘乙酸浓度100 mg·L−1浸泡处理20 h的效果最好,扦插成活率可达85.6%。通过分析银杏硬枝扦插育苗相关因子对扦插成活率的影响,建立了适用于河南地区的‘邳县2号’银杏硬枝扦插育苗体系,提高了扦插成活率,降低了生产成本,为银杏资源的扩大利用提供了科学依据。

     

    Abstract: Ginkgo biloba L. is an excellent ornamental tree species with timber, fruit and medicinal values. The research on cutting technology of Ginkgo is of great significance to the development and utilization of Ginkgo resources. In this study, the cutting technology of Ginkgo 'Pixian No.2' was studied. The results showed that the best cutting effect was achieved by using middle branches cutting, cutting thickness 0.5 cm—1.1 cm, cutting length 14 cm—16 cm, cutting depth 11 cm, and NAA concentration 100 mg·L−1 for soaking for 20 h and the survival rate could reach 85.6%. Through the analysis of Ginkgo hardwood cutting seedling related factors on the survival rate of cutting, the hardwood cutting system of Ginkgo 'Pixian No.2' suitable for Henan Province was established, which improved the survival rate of cutting, reduced the production cost, and provided scientific basis for the expansion and utilization of Ginkgo resources.

     

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