LUO Qing,LU Zuzheng,XIE Zhenxing,et al.Effects of Different Culture Substrates on Transplantation of Hybrid Orchid Seedlings[J].Northern Horticulture,2020,44(16):51-55.[doi:10.11937/bfyy.20193696]
不同栽培基质对杂交兰组培苗移栽的影响
- Title:
- Effects of Different Culture Substrates on Transplantation of Hybrid Orchid Seedlings
- 文献标志码:
- A
- 摘要:
- 以3种杂交兰组培苗为试材，采用5种不同栽培基质进行移栽试验，研究了不同栽培基质对组培苗的移栽成活率及生长的影响。结果表明：杂交兰A和C在基质1（杉木屑）中表现最佳，杂交兰B在基质5（杉木屑∶辣木屑∶桉树屑=1∶1∶1）中成活率最高，说明不同的杂交兰组培苗间的适应性不同，直接影响到小苗移栽的成活率。而从广谱性上来说，基质5均比较适合3种花卉的生长，成活率均达到90.00%以上。杂交兰A采用基质3移植的新叶率及根长生长优于其它基质，采用基质2的新根率最高，基质5最适合株高生长，基质1促进根长生长；杂交兰B除了新根增长是基质1最优之外，其余的新叶、株高、根长增长均是基质5最优；杂交兰C采用基质5移植的各项生长指标均优于其它基质，基质5更适合杂交兰C的初期培养。3种杂交兰组培苗对基质表现不一致，可能是由于亲本差异大,所以对环境的适应性也有所不同。另外对土壤的酸碱度、土壤肥力、及当地气候的适应性也不一致。
- Abstract:
- The influence of different substrates on the survival rate and growth of tissue culture seedlings was studied via transplanting experiment with tissue culture seedlings of three hybrid orchid cultivars as test material,and five kinds of culture media.The results showed that hybrid orchid A and C had the best performance in substrate 1(Cunninghamia lanceolata sawdust),hybrid orchid B obtained the highest survival rate in substrate 5(sawdust mixture of Cunninghamia lanceolata sawdust,Moringa oleifera and Eucalyptus in the ratio of 1∶1∶1),indicated that the adaptability of different hybrid orchid tissue culture seedlings was different,which directly affected the survival rate of seedling transplanting.In terms of broad-spectrum,substrate 5 was more suitable for the growth of three cultivars in common,and the survival rate could reach up to 90.00%.Hybrid orchid A obtained the best new leaf rate with substrate 3,the best new root rate with substrate 2,the best plant height growth with substrate 5,and the best root length growth with substrate 1,respectively.Except for the highest new root growth with substrate 1,hybrid orchid B showed best new leaf rate,plant height and root length growth with substrate 5.Hybrid orchid C showed the best growth indicators with substrate 5,indicated the advantage of substrate 5 for the initial culture of hybrid orchid C.The substrates adaptability difference of the tissue culture probably caused by the parent diversity of the cultivars.In addition,the adaptability to soil pH,fertility and local climate was also inconsistent.
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备注/Memo
第一作者简介：罗清（1986-），女，硕士，助理研究员，现主要从事园林花卉栽培育种等研究工作。E-mail:lqlq522@163.com.责任作者：丁丽琼（1973-），女，本科，高级农艺师，现主要从事园林花卉栽培育种等研究工作。E-mail:13977103335@163.com.基金项目：广西科技计划资助项目（桂科AB16380060）。收稿日期：2019-09-27