Root system architecture: opportunities and constraints for genetic improvement of crops.
作者： Sophie de Dorlodot , Brian Forster , Loïc Pagès , Adam Price , Roberto Tuberosa
DOI: 10.1016/J.TPLANTS.2007.08.012
关键词: Biology 、 Scarcity 、 Crop yield 、 Selection (genetic algorithm) 、 Distribution (economics) 、 Quantitative trait locus 、 Genetic variation 、 Genomics 、 Biotechnology 、 Abiotic component
摘要: Abiotic stresses increasingly curtail crop yield as a result of global climate change and scarcity of water and nutrients. One way to minimize the negative impact of these factors on yield is to manipulate root system architecture (RSA) towards a distribution of roots in the soil that optimizes water and nutrient uptake. It is now established that most of the genetic variation for RSA is driven by a suite of quantitative trait loci. As we discuss here, marker-assisted selection and quantitative trait loci cloning for RSA are underway, exploiting …
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