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1. 沈阳农业大学
2. 大连理工大学
3. 辽宁省开原种子公司
4. 铁岭市干部培训中心
Published:01 July 1995
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[1]刘世强,贾景明,曹萍,杨吉存,张宝石,刘景荣,高萍,史维东.氮离子束注入对玉米体细胞培养影响的初步研究[J].核技术,1995(07):410-414.
Preliminary study on effects Of nitrogen ion implantation on corn(Zea mays)somatic cell culture[J]. Nuclear techniques, 1995, (7).
将能量为60keV、剂量为2×1016N+/cm2的氮离子束分别注入3个玉米自交系的成熟种子.从其M1成株上取下未成熟的胚作外植体,在MN和AG培养基上进行高体培养,以未注入的相同材料为对照.结果发现,M1的平均愈伤组织诱导频率比对照高11.7%,其中在MN和AG培养基上,分别比对照高15.5%和7.9%、不同类型的材料,在两种培养基上的愈伤组织诱导频率存在差异,而且在诱导过程中M1与对照材料均要求6-BA的浓度在0.5-1.5mg/L。
Immature embryos from three self-bred series of M1 corn(Zea mays)were cultured in MN and AG medium after dry seeds were implanted to 2×1016cm-2 N+ ions of 60keV and grown into M1 plants. The experiments indicated that all genotypes formed pale-yellow or yellow callus in the two media. The average callus induction frequency of M1 immature embryos was 11.7% higher than that of the control. Percentages of callus were different not only for various genotypes of the culture material in the two media
but also for different concentration of 2
4-D and 6-BA.
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