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Position: Home > Articles > Study on in vitro propagation of Alhagi sparsifolia cuttings Pratacultural Science 2009,26 (5) 75-78

疏叶骆驼刺茎段离体快繁技术的研究

作  者:
赵洁;张博;王玉祥;贾广云;李培英
单  位:
新疆草地资源与生态重点实验室新疆农业大学草业与环境科学学院
关键词:
疏叶骆驼刺;茎段;离体快繁
摘  要:
以疏叶骆驼刺Alhagi sparsifolia无菌苗茎段为外植体,探讨了不同浓度6-苄氨基嘌呤(6-BA)和萘乙酸(NAA)、水解糖蛋白(LH)、赤霉素(GA3)在疏叶骆驼刺茎段离体快繁中的作用以及NAA在生根时的作用。结果表明:1)当NAA浓度为0.1 mg/L时,降低6-BA浓度,有利于芽的生长,反之,有利于丛生芽分化;2)LH能促进苗的生长,增加芽分化能力,MS+0.5 mg/L 6-BA+0.1 mg/L NAA+1.5 g/L LH为疏叶骆驼刺茎段快繁最佳培养基,增殖倍数为6.8;3)GA3对骆驼刺茎段离体培养无显著促进作用;4)1/2MS+0.1 mg/L NAA为最佳生根培养基,生根率为71.7%。
译  名:
Study on in vitro propagation of Alhagi sparsifolia cuttings
作  者:
ZHAO Jie,ZHANG Bo,WANG Yu-xiang,JIA Guang-yun,Li Pei-ying (Key Laboratory of Grassland Resource and Ecology of Xinjiang,College of Grassland Science and Environmental,Xinjiang Agricultural University,Urumqi 830052,China)
关键词:
Alhagi sparsifolia;cutting;in vitro propagation
摘  要:
Using Alhagi sparsifolia cuttings as explants,the effects of different concentration of 6-BA and NAA,LH,GA3 on in vitro propagation and the effects of NAA on seedling rooting were discussed.The results are as follows:1) with 0.1 mg/L NAA,reducing 6-BA concentration was benefit to stem growth.On the contrary,it is benefit to differentiation of buds;2) LH is advantaged to seedling growth and differentiation of buds,MS + 0.5 mg/L 6-BA + 0.1 mg/L NAA +1.5 g/L LH was the better induction medium.Propagation multiple was 6.8;3)The effect of GA3 on in vitro propagation of A.sparsifolia was not significant;4)1/2MS+ 0.1 mg/L NAA was the best medium for rooting,the rooting rate was 71.7%.

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