优良木薯品种新选048离体快繁技术
【目的】探讨木薯新品种新选048的离体快速繁殖技术,为扩大种苗生产提供参考。【方法】以带腋芽的幼嫩茎段为外植体,研究不同季节取材、不同灭菌方法、不同用量植物生长调节剂以及不同培养方式对新选048离体快繁过程的影响。【结果】相对于冬季、夏季,春季采集的腋芽萌发快、生长势旺,污染率为22.1%,成活率为69.3%。在8~12min内,随着0.1%HgCl2、2.0%NaCl0灭菌时间的延长,外植体污染率降低,但褐化率随之升高;不同处理中,以0.1%HgCl2处理10min对外植体的灭菌效果较好。在继代增殖培养基中,随着6-BA用量(0.02~1.00mg/L)的升高,诱导的愈伤组织长度、鲜重和干重...
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Published in | 南方农业学报 Vol. 45; no. 6; pp. 950 - 954 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
广西作物遗传改良生物技术重点开放实验室,南宁530007%广西农业科学院经济作物研究所,南宁,530007%广西大学农学院,南宁,530005
2014
广西农业科学院经济作物研究所,南宁530007 |
Subjects | |
Online Access | Get full text |
ISSN | 2095-1191 |
DOI | 10.3969/j:issn.2095-1191.2014.6.950 |
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Abstract | 【目的】探讨木薯新品种新选048的离体快速繁殖技术,为扩大种苗生产提供参考。【方法】以带腋芽的幼嫩茎段为外植体,研究不同季节取材、不同灭菌方法、不同用量植物生长调节剂以及不同培养方式对新选048离体快繁过程的影响。【结果】相对于冬季、夏季,春季采集的腋芽萌发快、生长势旺,污染率为22.1%,成活率为69.3%。在8~12min内,随着0.1%HgCl2、2.0%NaCl0灭菌时间的延长,外植体污染率降低,但褐化率随之升高;不同处理中,以0.1%HgCl2处理10min对外植体的灭菌效果较好。在继代增殖培养基中,随着6-BA用量(0.02~1.00mg/L)的升高,诱导的愈伤组织长度、鲜重和干重均不断增加,而不定芽的增殖系数、组培苗的鲜重和干重呈先升高后降低的变化趋势,但不定芽高度逐渐降低;以添加0.05mg/L6-BA的增殖效果最好,最高增殖系数为6.1倍,组培苗鲜重和干重综合表现较好。采用固体培养基培养的木薯不定芽增殖系数和组培苗干重最高,且诱导的不定芽长势均一、生长势旺;采用液体培养基培养的不定芽株高和组培苗鲜重最高,而间歇式浸没培养诱导的木薯不定芽增殖系数、株高、组培苗鲜重和干重均较低。在1/3MS+0.02mg/LNAA+20.0g/L蔗糖+6.0g/L琼脂粉的生根培养基中不定芽生根率达100.0%,根多且长,呈乳白色。【结论】成功建立了木薯品种新选048以带腋芽的茎段为外植体的快速繁殖体系,可为其种苗生产提供新的途径。 |
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AbstractList | S533.035; [目的]探讨木薯新品种新选048的离体快速繁殖技术,为扩大种苗生产提供参考.[方法]以带腋芽的幼嫩茎段为外植体,研究不同季节取材、不同灭菌方法、不同用量植物生长调节剂以及不同培养方式对新选048离体快繁过程的影响.[结果]相对于冬季、夏季,春季采集的腋芽萌发快、生长势旺,污染率为22.1%,成活率为69.3%.在8~12 min内,随着0.1% HgC12、2.0% NaC1O灭菌时间的延长,外植体污染率降低,但褐化率随之升高;不同处理中,以0.1% HgCl2处理10 min对外植体的灭菌效果较好.在继代增殖培养基中,随着6-BA用量(0.02~1.00 mg/L)的升高,诱导的愈伤组织长度、鲜重和干重均不断增加,而不定芽的增殖系数、组培苗的鲜重和干重呈先升高后降低的变化趋势,但不定芽高度逐渐降低;以添加0.05 mg/L 6-BA的增殖效果最好,最高增殖系数为6.1倍,组培苗鲜重和干重综合表现较好.采用固体培养基培养的木薯不定芽增殖系数和组培苗干重最高,且诱导的不定芽长势均一、生长势旺;采用液体培养基培养的不定芽株高和组培苗鲜重最高,而间歇式浸没培养诱导的木薯不定芽增殖系数、株高、组培苗鲜重和干重均较低.在1/3MS+0.02 mg/L NAA+20.0 g/L蔗糖+6.0 g/L琼脂粉的生根培养基中不定芽生根率达100.0%,根多且长,呈乳白色.[结论]成功建立了木薯品种新选048以带腋芽的茎段为外植体的快速繁殖体系,可为其种苗生产提供新的途径. 【目的】探讨木薯新品种新选048的离体快速繁殖技术,为扩大种苗生产提供参考。【方法】以带腋芽的幼嫩茎段为外植体,研究不同季节取材、不同灭菌方法、不同用量植物生长调节剂以及不同培养方式对新选048离体快繁过程的影响。【结果】相对于冬季、夏季,春季采集的腋芽萌发快、生长势旺,污染率为22.1%,成活率为69.3%。在8~12min内,随着0.1%HgCl2、2.0%NaCl0灭菌时间的延长,外植体污染率降低,但褐化率随之升高;不同处理中,以0.1%HgCl2处理10min对外植体的灭菌效果较好。在继代增殖培养基中,随着6-BA用量(0.02~1.00mg/L)的升高,诱导的愈伤组织长度、鲜重和干重均不断增加,而不定芽的增殖系数、组培苗的鲜重和干重呈先升高后降低的变化趋势,但不定芽高度逐渐降低;以添加0.05mg/L6-BA的增殖效果最好,最高增殖系数为6.1倍,组培苗鲜重和干重综合表现较好。采用固体培养基培养的木薯不定芽增殖系数和组培苗干重最高,且诱导的不定芽长势均一、生长势旺;采用液体培养基培养的不定芽株高和组培苗鲜重最高,而间歇式浸没培养诱导的木薯不定芽增殖系数、株高、组培苗鲜重和干重均较低。在1/3MS+0.02mg/LNAA+20.0g/L蔗糖+6.0g/L琼脂粉的生根培养基中不定芽生根率达100.0%,根多且长,呈乳白色。【结论】成功建立了木薯品种新选048以带腋芽的茎段为外植体的快速繁殖体系,可为其种苗生产提供新的途径。 |
Author | 曾文丹 陆柳英 谢向誉 周慧文 严华兵 |
AuthorAffiliation | 广西农业科学院经济作物研究所,南宁530007 广西作物遗传改良生物技术重点开放实验室,南宁530007 广西大学农学院,南宁530005 |
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Author_FL | LU Liu-ying ZENG Wen-dan YAN Hua-bing XIE Xiang-yu ZHOU Hui-wen |
Author_FL_xml | – sequence: 1 fullname: ZENG Wen-dan – sequence: 2 fullname: LU Liu-ying – sequence: 3 fullname: XIE Xiang-yu – sequence: 4 fullname: ZHOU Hui-wen – sequence: 5 fullname: YAN Hua-bing |
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Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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DOI | 10.3969/j:issn.2095-1191.2014.6.950 |
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DocumentTitleAlternate | Rapid propagation in vitro technology for fine cassava variety Xinxuan 048 |
DocumentTitle_FL | Rapid propagation in vitro technology for fine cassava variety Xinxuan 048 |
EndPage | 954 |
ExternalDocumentID | gxnykx201406004 661719183 |
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Keywords | 腋芽 组织培养 Xinxuan 048 tissue culture cassava axillary bud 木薯 rapid propagation 新选048 快速繁殖 |
Language | Chinese |
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Notes | 45-1381/S [Objective]The present study was conducted to develop rapid propagation technology of cassava variety Xinxuan 048 in order to provide references for expanding its seed-using seedling prodution. [Method]The young stems with axillary bud was used as explants, the effects of different sampling seasons, sterilization methods, various concentra- tion of 6-BA and different culture media on the process of plautlets culture were investigated. [Result]As compared with samling in winter and summer, the axillary buds of stem samped in spring germinated lastly and grew well, it had low contamination rate of 22.1% and higher survival rate of 69.3%. In the range of 8-12 min, the explants showed decreasing contamination rate and increasing browning rate with prolonging sterilizing time of 0.1% HgCl2 and 2.0% NaC10, and the sterilizing effects was found the best by sterilization of 0.1% HgCl2 for 10 min. In the process of subculture, with the increase of 6-BA(0.02-1.00 mg/L), the induced callus presented increasing |
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PublicationTitle | 南方农业学报 |
PublicationTitleAlternate | Journal of Southern Agriculture |
PublicationTitle_FL | Journal of Southern Agriculture |
PublicationYear | 2014 |
Publisher | 广西作物遗传改良生物技术重点开放实验室,南宁530007%广西农业科学院经济作物研究所,南宁,530007%广西大学农学院,南宁,530005 广西农业科学院经济作物研究所,南宁530007 |
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Snippet | 【目的】探讨木薯新品种新选048的离体快速繁殖技术,为扩大种苗生产提供参考。【方法】以带腋芽的幼嫩茎段为外植体,研究不同季节取材、不同灭菌方法、不同用量植物生长调节剂以... S533.035; [目的]探讨木薯新品种新选048的离体快速繁殖技术,为扩大种苗生产提供参考.[方法]以带腋芽的幼嫩茎段为外植体,研究不同季节取材、不同灭菌方法、不同用量植物生长... |
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StartPage | 950 |
SubjectTerms | 快速繁殖 新选048 木薯 组织培养 腋芽 |
Title | 优良木薯品种新选048离体快繁技术 |
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