BR  >> Vol. 6 No. 4 (July 2017)

    外源激素不合配比对“白草莓”茎尖萌生及增殖的影响研究
    Effect of Different Ratio of Exogenous Hormones to the Tip Meristem Generation and Propagation of Pine-Berry

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作者:  

代会会,康从彬,吴建豪,史昊,李月,程杰山:鲁东大年夜学农学院农林作物遗传改进中间,山东 烟台

关键词:
白草莓茎尖培养外源激素6-BA浓度梯度Pine-Berry Stem Tip Culture Exogenous Hormones Concentration Gradients of 6-BA

摘要:

以日本白草莓为试材,研究6-BA浓度梯度及其它激素的配比不合对白草莓茎尖萌生和增殖的影响,成果注解,高浓度6-BA对茎尖萌生有克制造用,对持续增殖也有倒霉影响,主如果矮化簇生和畸形;MS培养基参加6-BA 0.5 mg/L和NAA 0.1 mg/L,茎尖发展点萌生时愈伤化严重,且萌生率不高;MS培养基添加6-BA 0.5 mg/L和IBA 0.1 mg/L,“白草莓”茎尖萌生率为99%。第一代增殖MS培养基中添加6-BA 1.5 mg/L,IBA 0.1 mg/L,今后应逐步降低6-BA浓度,直到降到0.5 mg/L,但IBA浓度保持0.1 mg/L不变,茎尖萌生苗增殖敏捷,滋长系数2.5以上。增殖的白草莓幼苗继代到6-BA 0.5 mg/L和NAA 0.1 mg/L的MS培养基上,长势敏捷且结实。

This paper researches about the effect of different ratio of exogenous hormones to the tip meristem generation and propagation of Japanese pine-berry which was introduced from Japan. 6-BA concentration gradient, hormone ratio, generation and reproduction efficiency were investigated. The results showed that, high concentration of 6-BA can retard the tip stem generation, and has negative effect on propagation. The main effects are dwarf, cluster, and abnormality. On the MS media with 6-BA 0.5 mg/L and NAA 0.1 mg/L, tip stem generating ratio was low and accompanied with callus occurred severely. However, on the MS media with 6-BA 0.5 mg/L and IBA 0.1 mg/L, the generation ratio was 99% in this experiment. First regeneration MS media with 6-BA 1.5 mg/L and IBA 0.1 mg/L, from second regeneration, the 6-BA concentration was gradually decreased to 0.5 mg/L in the end, but the IBA concentration remained unchanged. Under this condition, the generating seedlings regenerated rapidly. The propagation coefficient was higher than 2.5. Propagating seedlings sub-cultured on the MS media with 6-BA 0.5 mg/L and NAA 0.1 mg/L, grew rapidly and healthily.

文章援用:
代会会, 康从彬, 吴建豪, 史昊, 李月, 程杰山. 外源激素不合配比对“白草莓”茎尖萌生及增殖的影响研究[J]. 植物学研究, 2017, 6(4): 224-229. https://doi.org/10.12677/BR.2017.64029

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