Abstract

Genetic study and molecular breeding for high phosphorus use efficiency in maize

Highlights

  • Phosphorus is a macro element required for biological growth and development, in particular it is essential for the synthesis of important biochemical substances such as DNA, RNA and ATP in all living organisms[1,2]

  • Dongdong LI et al Genetics and breeding of phosphorus use efficiency in maize selection (GS) as core to select P-efficient inbred lines and hybrids, which will provide a theoretical basis for breeders to select high P use efficiency (PUE) materials

  • PUE can be split into two parts, P uptake efficiency (PupE) and P utilization efficiency (PutE)

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Summary

Introduction

Phosphorus is a macro element required for biological growth and development, in particular it is essential for the synthesis of important biochemical substances such as DNA, RNA and ATP in all living organisms[1,2]. In its natural state in soil, P exists in the form of organic phosphorus (Po) and inorganic phosphorus (Pi), with the former accounting for 50% to 80% of soil P[3,4]. As for the Received May 6, 2019; accepted July 26, 2019. Dongdong LI et al Genetics and breeding of phosphorus use efficiency in maize selection (GS) as core to select P-efficient inbred lines and hybrids, which will provide a theoretical basis for breeders to select high PUE materials

Phosphorus use efficiency in plants
Genotypic differences in response to low-P starvation in maize
Plant molecular responses to low-P starvation in maize
Genetic study of PUE-related traits
Phenotypic difference between heterotic subgroups
Molecular breeding methods in plants
Findings
Molecular breeding for high PUE in maize
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