Genetic Control of Efficient Nitrogen Use for High Yield and Grain Protein Concentration in Wheat: A Review
Wan Teng, Xue He, Yi‐Ping Tong
Abstract
The increasing global population and the negative effects of nitrogen (N) fertilizers on the environment challenge wheat breeding to maximize yield potential and grain protein concentration (GPC) in an economically and environmentally friendly manner. Understanding the molecular mechanisms for the response of yield components to N availability and assimilates allocation to grains provides the opportunity to increase wheat yield and GPC simultaneously. This review summarized quantitative trait loci/genes which can increase spikes and grain number by enhancing N uptake and assimilation at relative early growth stage, and 1000-grain weight and GPC by increasing post-anthesis N uptake and N allocation to grains.
Topics & Concepts
AnthesisAgronomyGrain yieldNitrogenYield (engineering)Wheat grainTraitPopulationBiologyAssimilation (phonology)Winter wheatChemistryMaterials scienceCultivarComputer scienceDemographyPhilosophyOrganic chemistryProgramming languageLinguisticsSociologyMetallurgyPlant nutrient uptake and metabolismCrop Yield and Soil FertilityWheat and Barley Genetics and Pathology