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君迁子离体茎段的组培生根诱导
Author(s) -
馨如 耿
Publication year - 2020
Publication title -
guo ji jiao yu lun tan
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2705-120X
pISSN - 2705-1196
DOI - 10.32629/jief.v2i3.824
Subject(s) - computer science
为筛选适合君迁子组培生根的最佳激素条件建立君迁子组培快繁体系。本研究利用三年生君迁子实生苗的离体新梢为外植体采用三因素三水平的研究方法研究了在1/2MS培养基中加入不同浓度的不同激素后对君迁子离体组培生根的作用效果。结果表明不带梢尖的幼嫩新梢是最佳的试验材料生根效果最好的条件是1L培养基中加入0.5mgIAA+1/2MS2.17g+琼脂粉5.6g+蔗糖26.6g+PVP0.5g。此条件下三个月后君迁子离体组织的生根率达到22.22%以上平均根长33.18mm。该结论为君迁子组培生根并实现君迁子矮化改良奠定基础。

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