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《Chinese Traditional and Herbal Drugs》 2006-02
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Rule of breaking Ferula fukanensis seed dormancy under low-temperature and content changes of endogenous hormone

ZHAO Xin~1,MA Xiao-jun~(1),KAISAR·Sulaiman~2,SHI Jing~1(1.Institute of Medicinal Plant Development,Chinese Academy of Medical Sciences and Peking Union Medical College,Beijing 100094,China;2.Xinjiang Institute of Chinese and Ethnic Medicine,Urumqi 830002,China)  
Objective To study the rule of breaking Ferula fukanensis seed dormancy under low-temperature and content changes of endo-hormone.Methods The seeds were treated with stratification under 4 ℃ and germinated under 20 ℃.The content of endo-hormone,such as Z,GA_3,IAA,and ABA,was mensurated by HPLC.Results The seed germination rate achieved as high as 14% in 20 d and more than 60% in 40 d.Among breaking the seed dormancy,the content of endo-hormone was decreased gradually,while the rate of GA_3 and ABA was increased quickly in 10—20 d under 4 ℃ stratification.ConclusionThe stratification under 4 ℃ could break the seed dormancy.The rate of GA_3 and ABA is a pivotal factor of the seed dormancy.The endo-hormones IAA and Z have the significant effect on seed germination.
【Fund】: “十五”国家重大科技专项(2001BA701A60-07)
【CateGory Index】: S567.239
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