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磷是作物生长发育不可缺少的营养元素之一,然而土壤中可利用磷的含量却很少能满足作物的需要,因而作物磷素营养与磷肥施用长期以来成为国内外广泛研究的课题。在此,简述了世界和我国土壤磷资源供给概况,水稻品种耐低磷胁迫特性研究进展,耐低磷胁迫水稻品种(系)的筛选与鉴定研究进展,低磷胁迫对水稻品种根系的影响研究进展。
Phosphorus is one of the nutrient elements indispensable to crop growth and development. However, the available phosphorus content in soils rarely meets the needs of crops. Therefore, crop phosphorus nutrition and phosphate fertilizer application have long been the subject of extensive research both at home and abroad. Here, we briefly introduced the general situation of the supply of soil phosphorus resources in the world and China, the research progress on the characteristics of tolerance to low-P stress in rice varieties, the research progress on the screening and identification of rice varieties with low-phosphorus tolerance, and the effects of P deficiency on the root system of rice varieties Research progress.