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通过组织培养技术的正交试验及优化筛选,建立了盾叶薯蓣最适繁殖培养基:MS+6-卞基腺嘌呤(6-BA)0.5 mg/L+萘乙酸(NAA)0.2 mg/L;通过在培养基中添加不同浓度生长素,得到适合盾叶薯蓣的生根培养基:1/2 MS+NAA 0.5 mg/L+生根粉(ABT)0.1 mg/L。建立了盾叶薯蓣根尖染色体鉴定的最佳条件。染色体鉴定结果表明:盾叶薯蓣的染色体为2n=20。为盾叶薯蓣的种质保存和优良品种的选育工作奠定了基础。
The orthogonal test and optimization screening of tissue culture technique were used to establish the optimum culture medium for Dioscorea zingiberensis: MS + 0.5 mg / L 6-BA and 0.2 mg / L NAA. The rooting medium suitable for Dioscorea zingiberensis equus: 1/2 MS + NAA 0.5 mg / L + rooting powder (ABT) 0.1 mg / L was obtained by adding different concentrations of auxin to the medium. The optimal conditions for apical chromosome identification of Dioscorea zingiberensis. Chromosome identification showed that: Dioscorea zingiberensis chromosome 2n = 20. For the Dioscorea zingiberensis germplasm preservation and breeding of good varieties laid the foundation.