大花蕙兰与墨兰种间杂交种子无菌播种繁殖技术研究
建立杂交兰无菌播种和再生体系,获得一定数量的杂交后代群体,为新品种的选育提供基础材料。以大花蕙兰‘肯尼’为母本和墨兰‘太平洋’进行种间远缘杂交,取其成熟种子进行无菌播种,探讨不同基本培养基、植物生长调节剂和添加物对其种子萌发、根状茎增殖与分化及壮苗生根等的影响。结果表明:种子萌发最适配方为:1/2MS6-BA 1.5 mg/LNAA 0.5 mg/L 活性炭1.0 g/L;根状茎增殖与分化培养基最适配方为1/2MS6-BA 2.0 mg/LNAA 0.5 mg/L,培养70天分化成苗率达88.6%。适宜的壮苗生根培养基为MS6-BA 1.0 mg/LNAA 2.0 mg/L香蕉泥90 g/L 活性炭2.0 g/L。室外闭瓶炼苗30~40天,再开盖炼苗3~5天后,以发酵的树皮加碎石子为基质,60天左右种苗成活率达98.62%。
Abstract
Aseptic seeding and the establishment of regeneration system play an important role in crossbreeding of orchid, obtaining a certain number of hybrid progeny population, and providing basic materials for the breeding of new varieties. An aseptic seeding propagation for interspecific hybrid between Cymbidium hybridum‘Ken Ni’and C. sinense‘Pacific Ocean’was established. Different minimal medium, hormone and additives were designed to study the effects on the germination, rhizome proliferation and differentiation and seedling root. The results showed that 1/2MS6-BA 1.5 mg/LNAA 0.5 mg/LAC 1.0 g/L was the suitable medium for the hybrid seed germination, 1/2MS6-BA 2.0 mg/LNAA 0.5 mg/L was the ideal medium for the rhizome proliferation and differentiation, the differentiation rate was 88.6% after culturing for 70 days. MS6- BA 1.0 mg/LNAA 2.0 mg/Lbanana 90 g/LAC 2.0 g/L was the right medium for inducing the root growth.Test- tube train seedling 30- 40 days in closed bottle and opening lid after 3- 5 days in greenhouse, fermentation bark and blinding were best media for temporary planting of tissue culture seedling. About 60 days, the seedling survival rate was 98.62%.
关键词
大花蕙兰;墨兰;种间杂交;根状茎;植株再生{{custom_keyword}} /
Key words
Cymbidium hybridum; C. sinense; interspecific hybridization; rhizome; plant regeneration{{custom_keyword}} /
蓝炎阳,陈南川,钟淮钦.大花蕙兰与墨兰种间杂交种子无菌播种繁殖技术研究. 中国农学通报. 2017, 33(2): 61-66 https://doi.org/10.11924/j.issn.1000-6850.casb16030009
Aseptic Seeding Propagation of Interspecific Hybrid Between Cymbidium hybridum and C. sinense. Chinese Agricultural Science Bulletin. 2017, 33(2): 61-66 https://doi.org/10.11924/j.issn.1000-6850.casb16030009
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脚注
{{custom_fn.content}}相关知识
兰属植物种间杂交结实性分析
白芨种子无菌播种萌发的初步研究
大花蕙兰与兰属植物种间杂交研究
美花石斛种子无菌播种繁殖技术
春兰与大花蕙兰杂交后代根状茎增殖与分化条件
大花蕙兰快速繁殖技术研究
莲瓣兰与大花蕙兰“黄金薄荷”种间杂种胚培养研究
大花蕙兰育种研究进展
兰属植物种间杂交育种探讨
大花蕙兰和墨兰的区别 大花蕙兰和蕙兰花语介绍
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