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Effects of Space Radiation Mutation on Germination and Growth of Sugarcane Hybrid Seeds

查看全文 作　　者：Yimei [1]GAN;Yuanli [1]WU;Jun [1]ZENG;Wenwei [1]CAI;Zhengying [1]CAO;Lishun [1]PENG;Benpeng [1]YANG 高影响力作者 机构地区：[1]Key Laboratory of Biology and Genetic Resources of Tropical Crops,Ministry of Agriculture,Sugarcane Research Center of Chinese Academy of Tropical Agricultural Sciences,Institute of Tropical Bioscience and Biotechnology of Chinese Academy of Tropical Agricultural Sciences高影响力机构 出　　处：《Agricultural Biotechnology》索引2019年第8卷第6期,共4页高影响力期刊 基　　金：Supported by General Project of Hainan Provincial Natural Science Foundation(No.317257);The Fundamental Research Funds for Central Public Welfare Research Institutes(1630052019005);China Agricultural Research System-Sugar crop(CARS-170716) 摘　　要：[Objectives] This study was conducted to investigate the mutagenic effects of space radiation mutagenesis on sugarcane hybrid seeds. [Methods] Sugarcane hybrid spikes were subjected to space radiation mutagenesis treatment to identify the effects on the germination, seedling growth and plant growth and development of sugarcane hybrid seeds. [Results] The space radiation treatment had a great impact on the germination and growth of sugarcane hybrid seeds, especially on the germination of sugarcane seeds. The germination number per gram of seeds increased significantly, and the survival rate of seedlings increased significantly. The effect on the growth status was relatively small. The average number of tillers decreased slightly, the percentage of available stems increased, and the plants became higher, which resulted in a greater effect on sugarcane yield. Sugarcane sucrose was increased. The seed germination and late growth status indicated that space radiation promoted the germination and growth of sugarcane hybrid seeds. [Conclusions] This study provides a basis for the space radiation mutagenesis breeding of sugarcane hybrid seeds and the promotion of sugarcane breeding process. 关 键 词：Space radiation SUGARCANE Mutation breeding Seed germination
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