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首页> 外文期刊>Genetic Resources and Crop Evolution >Harnessing genetic resources and progress in plant genomics for fonio (Digitaria spp.) improvement
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Harnessing genetic resources and progress in plant genomics for fonio (Digitaria spp.) improvement

机译：利用遗传资源和植物基因组学的进展（Digitaria SPP。）改进

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Fonio plays an important role in food security and in income generation, in drought prone areas of West Africa. This review aimed at highlighting fonio production constraints, breeding objectives and available genetic resources for fonio improvement. Lack of institutional support to research, lack of improved seeds, parasitic weed infestation, grain shattering, lodging and toilsome of the post-harvest handling are the major constraints limiting fonio production. These factors lead to negligence of the crop notwithstanding its high nutritional and market values. Breeding programs on fonio should first focus on solving these problems to improve overall yield. We explored the potential of mutation breeding, somaclonal variation, somatic hybridization, molecular markers, comparative genomics, individualized targeting induced local lesions in genomes (iTILLING), genotype by sequencing and genomic selection to develop improved fonio varieties. Determination of ploidy level, wide collection and characterization of fonio genetic resources, definition of core reference set collection, and exploitation of heterosis are some key research areas that would be of great interest in fonio improvement. However, this can only be achieved with adequate funding and institutional support.
机译：Fonio在粮食安全和生成中发挥着重要作用，在西非的干旱普遍领域。本综述旨在突出FONIO生产限制，育种目标和可用遗传资源的FONIO改善。缺乏对研究的制度支持，缺乏种子，寄生杂草侵蚀，谷物破碎，谷物破碎，住宿和悬挂之族，是限制FONIO生产的主要制约因素。尽管其高营养和市场价值，但这些因素导致休止缺失。 FONIO的育种计划应首先解决解决这些问题以提高整体产量。我们探讨了突变育种，躯体变异，体细胞杂交，分子标记，比较基因组学，个体化靶向诱导的基因组（Itilling），基因型通过测序和基因组选择来发展改善的Fonio品种。倍增性水平，广泛收集和表征的倍性遗传资源，核心参考集合的定义，以及杂种优势的利用是一些关键研究领域，对FONIO改善有益。但是，这只能通过充分的资金和机构支持来实现。

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