| 植物对不同形态磷响应特征研究进展 |
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| 引用本文： | 李廷轩,叶代桦,张锡洲,郭静怡.植物对不同形态磷响应特征研究进展[J].植物营养与肥料学报,2017,23(6):1536-1546. |
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| 作者姓名： | 李廷轩 叶代桦 张锡洲 郭静怡 |
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| 作者单位： | 四川农业大学资源学院，四川成都 611130 |
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| 基金项目： | 国家自然科学基金（41671323）;四川省科技支撑项目（2013NZ0044）资助。 |
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| 摘 要： | 磷是植物生长发育所必需的大量营养元素之一，参与植物体内许多重要化合物的合成与代谢。土壤中磷素具有多种形态，且不同形态磷的植物有效性差异较大；植物在不同形态磷环境下，体内会形成相应的适应性机制。植物吸收积累磷通常与根形态、根系分泌物、体内磷转运等因素有关，受到特异基因表达的调控。了解植物对磷的吸收积累特性是筛选磷高效植物或磷富集植物的前提，也是充分利用土壤磷素资源、修复磷过剩环境的关键。根据国内外研究现状，本文从磷素吸收积累、根系形态特征、磷酸酶与植酸酶的变化以及磷营养高效的分子机制，综述了植物对不同形态磷的响应特征，并对未来该领域的研究进行了展望。
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| 关 键 词： | 磷形态 磷高效 磷富集 植物响应机制 |
| 收稿时间： | 2017-08-04 |
Research advances on response characteristics of plants to different forms of phosphorus |
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| LI Ting-xuan,YE Dai-hua,ZHANG Xi-zhou,GUO Jing-yi.Research advances on response characteristics of plants to different forms of phosphorus[J].Plant Nutrition and Fertilizer Science,2017,23(6):1536-1546. |
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| Authors: | LI Ting-xuan YE Dai-hua ZHANG Xi-zhou GUO Jing-yi |
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| Institution: | College of Resources, Sichuan Agricultural University, Chengdu, Sichuan 611130, China |
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| Abstract: | Phosphorus (P) is one of the essential macronutrients that participates in many important compound synthesis and metabolism of plants. P exists in many forms in soil and gives different phytoavailability. Plants have developed specific mechanisms to adapt the dominant P sources in soil. It has been proved that the efficient P uptake and accumulation of plants are closely related with root morphology, rhizosphere secretion and phosphate transporter. Comprehending P accumulation characteristics of plants is important for breeding high P efficient crops or P-accumulators, excavating the ability of high P efficiency crops in the utilization of the potential P sources, and the key of using plants to extract excess P from P-enriched environments. According to the research achievements at home and abroad, this paper summarized the characteristics of P uptake, root morphology, root activities of phosphatase and phytase of plants when grown in different forms of P, and reviewed the progress in the research of molecular mechanism of high P efficiency. Meanwhile, the future researches in this field were forecasted. |
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