Study on the Efficient Cutting Propagation Technology for <i>Ilex</i> “China Girl”
- 1 Forestry College of Shandong Agricultural University, Tai’an, China
- 2 Forestry College of Shandong Agricultural University, Tai’an, China
- 3 College of Horticulture Science and Engineering, Shandong Agricultural University, Tai’an, China
- 4 Shandong Hanlinyuan Ecological Technology Co. Ltd., Weihai, China
- 5 Forestry College of Shandong Agricultural University, Tai’an, China
- 6 Forestry College of Shandong Agricultural University, Tai’an, China
- 7 Forestry College of Shandong Agricultural University, Tai’an, China
- 8 Forestry College of Shandong Agricultural University, Tai’an, China
Abstract
In order to realize the efficient industrial production of Ilex “China Girl”, an orthogonal experiment with 4 factors and 3 levels was designed. Firstly, the optimal orthogonal cutting scheme was selected from 9 treatments. Then through the systematic analysis of the effects of cutting position, substrate, exogenous hormones type and concentration on rooting indexes, such as rooting rate, root number, root length and root effect index, the theoretical optimal scheme was predicted and verified. The results showed that the theoretical optimal scheme (3000 mg/L IBA treatment for 15 s, cutting in mixed matrix with peat soil, perlite and vermiculite ratio of 2:1:1) was the optimal cutting rooting scheme of Ilex “China Girl”. After the treatment of this sc heme, the rooting rate of Ilex “China Girl” reached 100%, the average root number was 51.67 per plant, and the average root length was 6.13 cm. The rooting time was greatly shortened, the rooting rate and rooting effect were greatly improved. In this study, the efficient cutting propagation technology system of Ilex “China Girl” was established, which laid a foundation for the popularization and application of Ilex “China Girl”, and also provided reference for further improving the cutting propagation efficiency of other evergreen holly. This study laid a foundation for the application of Ilex “China Girl”, and also provided a reference for further improving the cutting propagation efficiency of other evergreen holly.
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