层积联合GA3处理对石香薷种子发芽的影响 |
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引用本文: | 欧燕,段林东,王放银,钱凤明,郑霞,周术雄,易菊阳. 层积联合GA3处理对石香薷种子发芽的影响[J]. 安徽农业科学, 2011, 39(2): 782-783,786 |
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作者姓名: | 欧燕 段林东 王放银 钱凤明 郑霞 周术雄 易菊阳 |
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作者单位: | 邵阳学院,湖南邵阳,422004;邵阳学院,湖南邵阳,422004;邵阳学院,湖南邵阳,422004;邵阳学院,湖南邵阳,422004;邵阳学院,湖南邵阳,422004;邵阳学院,湖南邵阳,422004;邵阳学院,湖南邵阳,422004 |
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基金项目: | 国家自然科学基金,湖南省大学生研究性学习和创新基金 |
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摘 要: | [目的]研究层积联合赤霉素(GA3)处理对石香薷种子萌发的影响,为石香薷的大规模人工栽培奠定基础。[方法]将石香薷种子分别在5~10℃变温和15、20℃温度下用河沙、木屑及滤纸作基质层积,分别浸泡在400、600、800 mg/L的GA3中18、24、30 h,置于25℃种子发芽箱中发芽。[结果]发芽温度为25℃,在5~10℃变温下用河沙层积处理后用800 mg/LGA3浸泡石香薷种子30 h,种子平均发芽率最高,为96.25%。[结论]层积处理后用GA浸种能明显促进石香薷种子发芽,这为石香薷的大规模人工栽培奠定了基础。
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关 键 词: | 石香薷 种子萌发 层积处理 GA3处理 |
Effect of Stratification and GA3 Treatment on Germination of Mosla chinensis Maxim. Seed |
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Affiliation: | OU Yan et al (Shaoyang University,Shaoyang,Hunan 422004) |
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Abstract: | [Objective] To study effect of stratification coupled with GA3 treatment on germination of Mosla chinensis Maxim.seed,so as to provide basis for the large-scale artificial cultivation of Mosla chinensis Maxim..[Method] Treated at 5-10,15 and 20 ℃ and stratified with river sand,sawdust and filter paper respectively,Mosla chinensis Maxim.seeds were soaked in 400,600 and 800 mg/L GA3 for 18,24 and 30 h,respectively,and then were subjected to germination test in 25 ℃ germination box.[Result] The optimal germination conditions were determined to be germination temperature of 25 ℃,poikilothermic treatment of 5-10 ℃,stratification matrix of river sand,GA3 concentration of 800 mg/L and soaking duration of 30 h.Under the optimal treatment,the germination rate of Mosla chinensis Maxim.seeds reached as high as 96.25%.[Conclusion] The germination rate of Mosla chinensis Maxim.seeds are promoted largely,which provides the basis for large-scale artificial cultivation of Mosla chinensis Maxim.. |
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Keywords: | Mosla chinensis Maxim. Germination Stratification GA3 treatment |
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