Molecular Mapping and Genomics of Grain Yield in Durum Wheat: A Review

Overview

Journal Int J Mol Sci

Publisher MDPI

Specialties Biochemistry
Chemistry
Molecular Biology

Date 2020 Sep 29

PMID 32987666

Citations 14

Authors

Osvin Arriagada

Ilaria Marcotuli

Agata Gadaleta

Andres R Schwember

Affiliations

Soon will be listed here.

Abstract

Durum wheat is the most relevant cereal for the whole of Mediterranean agriculture, due to its intrinsic adaptation to dryland and semi-arid environments and to its strong historical cultivation tradition. It is not only relevant for the primary production sector, but also for the food industry chains associated with it. In Mediterranean environments, wheat is mostly grown under rainfed conditions and the crop is frequently exposed to environmental stresses, with high temperatures and water scarcity especially during the grain filling period. For these reasons, and due to recurrent disease epidemics, Mediterranean wheat productivity often remains under potential levels. Many studies, using both linkage analysis (LA) and a genome-wide association study (GWAS), have identified the genomic regions controlling the grain yield and the associated markers that can be used for marker-assisted selection (MAS) programs. Here, we have summarized all the current studies identifying quantitative trait loci (QTLs) and/or candidate genes involved in the main traits linked to grain yield: kernel weight, number of kernels per spike and number of spikes per unit area.

Citing Articles

Meta-QTL mapping for wheat thousand kernel weight.

Tan C, Guo X, Dong H, Li M, Chen Q, Cheng M Front Plant Sci. 2024; 15:1499055.

PMID: 39737382 PMC: 11682887. DOI: 10.3389/fpls.2024.1499055.

High-throughput phenotyping using hyperspectral indicators supports the genetic dissection of yield in durum wheat grown under heat and drought stress.

Merida-Garcia R, Galvez S, Solis I, Martinez-Moreno F, Camino C, Soriano J Front Plant Sci. 2024; 15:1470520.

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Independent genetic factors control floret number and spikelet number in ssp.

A Y K, E M, R B, E M, M D, L C Front Plant Sci. 2024; 15:1390401.

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Future of durum wheat research and breeding: Insights from early career researchers.

Peters Haugrud A, Achilli A, Martinez-Pena R, Klymiuk V Plant Genome. 2024; 18(1):e20453.

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Genetic insights into superior grain number traits: a QTL analysis of wheat-Agropyron cristatum derivative pubing3228.

Wang J, Wang E, Cheng S, Ma A BMC Plant Biol. 2024; 24(1):271.

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