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玉米耐低磷研究现状及磷高效育种策略的探讨 被引量:8

The Research Actuality of Maize (Zea mays L.) Tolerance to Low Phosphorus and the Strategy of High Phosphorus Efficiency Breeding
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摘要 土壤缺磷是影响作物产量提高和资源持续性发展利用的世界性问题,解决这一问题的根本途径是筛选土壤磷利用效率高的作物品种,玉米是中国主要的粮食作物,但在中国以西南、华南为代表的一部分地区,由于土壤有效磷含量偏低,严重制约玉米产量的提高,而在其他玉米产区由于磷肥的高度滥用,导致土壤结构发生改变,有效磷积累并不能满足玉米等作物的可持续性吸收利用。因此选择和培育玉米磷高效品种是提高土壤磷素利用效率,解决中国部分土壤有效磷缺乏对玉米产量影响的一条有效途径。综述了目前国内外在玉米耐低磷种质资源的筛选、遗传研究及相关性状QTL定位的研究进展,并在此基础上对玉米磷高效育种策略作了初步的探讨。 The selection and breeding of phosphorus high efficiency maize varieties are the available approaches to enhance the soil phosphorus utilization efficiency and to solve the problem of inadequate of available phosphorus in soil. This paper mainly discussed the screening of high phosphorus efficiency maize genotype, genetic research about the maize tolerance to low phosphorus and QTL location of related characters. We also discussed the strategies of maize high phosphorus efficiency breeding.
出处 《中国农学通报》 CSCD 2008年第1期181-185,共5页 Chinese Agricultural Science Bulletin
基金 国家自然科学基金项目资助"玉米根系应答低磷胁迫的遗传机制及相关基因鉴定"(30700506)
关键词 玉米 磷高效 种质筛选 遗传研究 QTL定位 育种策略 maize (Zea mays L.), high phosphorus efficiency, screening, Genetic research, QTL, breeding strategies
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