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首页> 外文会议>The 7th International Symposium on Plant-Soil Interactions at Low pH（第七届低pH条件下植物-土壤交互作用国际研讨会） >Root Breeding for Better Plant Nutrient Efficiency on Acid Soils
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Root Breeding for Better Plant Nutrient Efficiency on Acid Soils

机译：在酸性土壤上进行根系育种以提高植物养分效率

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摘要

Soybean is an essential source of protein, oil, and micronutrients in human and animal diets. A primary limitation to soybean production in the acid soils of South China and other tropical and subtropical regions is low soil phosphorus ( P) availability. Due to the lack of P resources, P fertilizers are expensive and the P ore deposits that can be economically mined and processed into fertilizer are limited and will be eventually depleted. Therefore, developing soybean varieties that can efficiently utilize native P and added P in the soil, which are often in a form unavailable to plants, would be a sustainable approach. In the present study, systematic experiments in the field, greenhouse and laboratory were set out to investigate the physiological, genetic, and molecular aspects of root traits which are related to better plant adaptation to low P conditions and more efficient utilization of applied fertilizers. Attempts were also made to focus on genetic improvement of root traits, or " root breeding" , for better nutrient efficiency in soybean.
机译：大豆是人类和动物饮食中蛋白质，油脂和微量营养素的重要来源。中国南方以及其他热带和亚热带地区的酸性土壤中大豆生产的主要限制是土壤磷（P）的利用率低。由于缺乏磷资源，磷肥价格昂贵，可以经济开采并加工成肥料的磷矿床数量有限，最终将被耗尽。因此，开发可以有效利用天然磷和土壤中添加的磷的大豆品种，这通常是植物无法获得的形式，将是一种可持续的方法。在本研究中，在田间，温室和实验室中进行了系统的实验，以研究根系性状的生理，遗传和分子方面，这些方面与更好地适应低磷条件和更有效地利用化肥有关。还尝试着重于根性状的遗传改良或“根系育种”，以提高大豆的营养效率。

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