Genetic Mechanism and Molecular Improvement of Important Agronomic Traits of Wheat

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Molecular Biology".

Deadline for manuscript submissions: closed (20 December 2024) | Viewed by 1272

Special Issue Editor


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Guest Editor
State Key Laboratory of Wheat and Maize Crop Science, Center for Crop Genome Engineering, and College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China
Interests: wheat

Special Issue Information

Dear Colleagues,

The genetic mechanism of important agronomic traits of wheat is mainly controlled by multiple genes, and the expression of these genes is affected by various environmental factors. The improvement of important agronomic traits of wheat is achieved by combining traditional breeding methods with molecular biology technology, including transgenic technology, gene editing technology and marker-assisted selection technology. In recent years, with the development of molecular biology and genetics, more and more genes related to important agronomic traits of wheat have been cloned and identified. These genes provide important theoretical support for the improvement of wheat yield, quality and stress resistance. This Special Issue of Plants will highlight the genetic mechanism and molecular improvement of important agronomic traits of wheat, which will help us better improve the yield, quality and stress resistance of wheat

Dr. Kunpu Zhang
Guest Editor

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Keywords

  • yield of wheat
  • quality of wheat
  • stress resistance of wheat
  • wheat breeding
  • agronomic traits of wheat

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Published Papers (1 paper)

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Research

11 pages, 1235 KiB  
Article
Genome-Wide Association Mapping of Macronutrient Mineral Accumulation in Wheat (Triticum aestivum L.) Grain
by Maha Aljabri and Mohamed El-Soda
Plants 2024, 13(24), 3472; https://doi.org/10.3390/plants13243472 - 11 Dec 2024
Cited by 2 | Viewed by 882
Abstract
The focus on increasing wheat (Triticum aestivum L.) grain yield at the expense of grain quality and nutrient accumulation can lead to shortages in macronutrient minerals, which are dangerous for human health. This is important, especially in nations where bread wheat is [...] Read more.
The focus on increasing wheat (Triticum aestivum L.) grain yield at the expense of grain quality and nutrient accumulation can lead to shortages in macronutrient minerals, which are dangerous for human health. This is important, especially in nations where bread wheat is used in most daily dietary regimens. One efficient way to guarantee nutritional security is through biofortification. A genome-wide association mapping approach was used to investigate the genetic basis of the differences in macronutrient mineral accumulation in wheat grains. N, P, K, Na, Ca, and Mg concentrations were measured after a panel of 200 spring wheat advanced lines from the Wheat Association Mapping Initiative were cultivated in the field. The population exhibited a wide range of natural variations in macronutrient minerals. The minerals were found to have strong positive correlations except for magnesium, which had negative correlation patterns with N, P, and K. Furthermore, there were negative correlations between N and each of Ca and Na. Remarkably, genotypes with large yields contained moderate levels of critical metals. Of the 148 significant SNPs above −log10(P) = 3, 29 had −log10(P) values greater than 4. Four, one, and nineteen significant SNPs with a −log10(P) between 4 and 5.8 were associated with N and mapped on chromosomes 1A, 1B, and 1D, respectively. Three significant SNPs on chromosome A3 were associated with K. Two significant SNPs were associated with Ca and Na and mapped on chromosomes B3 and A4, respectively. Our findings offer crucial information about the genetic underpinnings of nutritional mineral concentration augmentation, which can guide future breeding research to enhance human nutrition. Full article
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