草业科学2024，Vol.41Issue(2)：252-261,10.DOI:10.11829/j.issn.1001-0629.2022-0952
莓叶委陵菜叶插繁殖技术研究
A study on leaf cutting propagation technology for Potentilla fragarioidis
摘要
Abstract
Potentilla fragarioidis is a rural cover plant with excellent developmental potential in northern China.However,materials for its sexual propagation are not readily available,and the reproductive coefficient is low.As a means of asexual reproduction,propagation via cuttings may provide a new means of rapidly producing P.fragarioidis.In this study,robust and disease-free leaves of P.fragarioidis were used,and the effects of different cutting substrates,hormone types,and their concentration on the rooting of P.fragarioidis leaf cuttings were investigated in an orthogonal experiment.The results showed that the root system of cuttings form after 45 days.Significant differences in the rooting effect of cuttings were observed due to the interaction effects between the cutting substrate,hormone type,and their concentrations at different treatment levels(P<0.05).Cutting substrate was the dominant factor affecting rooting rate,and hormone type was the main factor affecting the average number of roots per plant,mean total length of roots per plant,most extended root length,and root effect index.The best rooting effect was obtained using 300 mg·L-1 IBA as the cutting treatment hormone and peat + perlite + vermiculite(1:1:1)as the cutting substrate.The rooting rate of cuttings under this treatment reached 63.33％;the average number of roots per plant was 6.90;the average root length was 27.98 cm;the most extended root length was 13.83 cm;and the root effect index was 20.50.These experimental results provide a theoretical basis for the rapid establishment of a propagation system for P.fragarioidis.关键词
地被植物/委陵菜/无性繁殖/叶插生根/正交试验/生根效果Key words
cover plant/Potentilla/asexual propagation/root formation of leaf cutting/orthogonal test/rooting effect引用本文复制引用
郑亦卿,曾思琦,唐令,董丽..莓叶委陵菜叶插繁殖技术研究[J].草业科学,2024,41(2):252-261,10.基金项目
北京城市生态廊道植物景观营建技术项目(D171100007217003) （D171100007217003）
基于健康可持续的西城区城市森林养护管理关键技术研究项目(XCSTS-SD2021-09) （XCSTS-SD2021-09）
