| 外源GA3与ABA对烤烟茎尖内源激素调控及生长的影响 |
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| 引用本文： | 周继华,杨铁钊,巩巧玲,杨志晓,豆显武.外源GA3与ABA对烤烟茎尖内源激素调控及生长的影响[J].干旱地区农业研究,2009,27(3):198-202. |
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| 作者姓名： | 周继华 杨铁钊 巩巧玲 杨志晓 豆显武 |
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| 作者单位： | 河南农业大学农学院,河南,郑州,450002 |
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| 基金项目： | 河南省烟草专卖局重点科技攻关项目 |
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| 摘 要： | 以烤烟基因型8277与农大202为材料,研究外源激素GA3与ABA对茎尖处内源激素GA、ABA、IAA含量以及株高、节间距伸长的影响.结果表明,外施一定浓度的GA3(100 mg/L)能使烟株茎尖内源激素GA与IAA含量提高,显著地促进烟草株高与节间距的增长;喷施一定浓度的ABA(20 mg/L)在一定程度上抑制了烟株的生长,其作用时间较短,只是在激素ABA使用前期有一定的效果,但是ABA使烟株在地上部干物质积累得到提高.
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| 关 键 词： | 烤烟 内源激素 高秆 矮秆 调控 |
Effects of exogenous GA3 and ABA on tobacco(Nicotiana tabacum L.) plant growth and development and endogenous hormone contents in meristem |
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| ZHOU Jihu,YANG Tiezhao,GONG Qiaoling,YANG Zhixiao,DOU Xianwu.Effects of exogenous GA3 and ABA on tobacco(Nicotiana tabacum L.) plant growth and development and endogenous hormone contents in meristem[J].Agricultural Research in the Arid Areas,2009,27(3):198-202. |
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| Authors: | ZHOU Jihu YANG Tiezhao GONG Qiaoling YANG Zhixiao DOU Xianwu |
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| Institution: | School of Agrinomy;He'nan Agricultural University;Zhengzhou;He'nan 450002;China |
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| Abstract: | Effects of exogenous GA and ABA on endogenous hormone GA,ABA and IAA contents in meristem in tobacco(Nicotiana tabacum L.) plants and their height and intemode were carried out with two tobacco strains 8277 and ND202.The results showed that supply with GA3(100 mg/L) promoted the contents of two endogenous hormones GA and IAA,and the tobacco plant height and inter-node space as well.The plants supplied with ABA(20 mg/L)delayed growth during a short period,whereas increased dry matter accumulation. |
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| Keywords: | tobacco endogenous hormone high plant dwarf regulation |
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