| 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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| DOI：10.7606/j.issn.1000-7601.2009.03.37 |
| Key Words: tobacco endogenous hormone high plant dwarf regulation |
| Author Name | Affiliation | | ZHOU Jihua | School of Agrinomy He’nan Agricultural University,Zhengzhou, He’nan 450002, China | | YANG Tiezhao | School of Agrinomy He’nan Agricultural University,Zhengzhou, He’nan 450002, China | | GONG Qiaoling | School of Agrinomy He’nan Agricultural University,Zhengzhou, He’nan 450002, China | | YANG Zhixiao | School of Agrinomy He’nan Agricultural University,Zhengzhou, He’nan 450002, China | | DOU Xianwu | 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-1) 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-1) delayed growth during a short period, whereas increased dry matter accumulation. |
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