Publications Scientifiques

[ Article ] Understanding Molecular Mechanisms of Seed Dormancy for Improved Germination in Traditional Leafy Vegetables: An Overview

Date de soumission: 01-11-2020
Année de Publication: 2020
Entité/Laboratoire The Laboratory of Genetics, Horticulture and Seed Science (GBioS)
Document type : Article
Discipline(s) : Agriculture & Agronomie
Titre Understanding Molecular Mechanisms of Seed Dormancy for Improved Germination in Traditional Leafy Vegetables: An Overview
Auteurs Sohindji Fernand S. [1], Sogbohossou Dêêdi E. O. [2], Zohoungbogbo Herbaud P. F. [3], Houdégbé Carlos A. [4], Achigan-Dako Enoch G. [5],
Journal: Agronomy
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 10
DOI: doi:10.3390/agronomy10010057
Resume Loss of seed viability, poor and delayed germination, and inaccessibility to high-quality seeds are key bottlenecks limiting all-year-round production of African traditional leafy vegetables (TLVs). Poor quality seeds are the result of several factors including harvest time, storage, and conservation conditions, and seed dormancy. While other factors can be easily controlled, breaking seed dormancy requires thorough knowledge of the seed intrinsic nature and physiology. Here, we synthesized the scattered knowledge on seed dormancy constraints in TLVs, highlighted seed dormancy regulation factors, and developed a conceptual approach for molecular genetic analysis of seed dormancy in TLVs. Several hormones, proteins, changes in chromatin structures, ribosomes, and quantitative trait loci (QTL) are involved in seed dormancy regulation. However, the bulk of knowledge was based on cereals and Arabidopsis and there is little awareness about seed dormancy facts and mechanisms in TLVs. To successfully decipher seed dormancy in TLVs, we used Gynandropsis gynandra to illustrate possible research avenues and highlighted the potential of this species as a model plant for seed dormancy analysis. This will serve as a guideline to provide prospective producers with high-quality seeds.
Mots clés seed dormancy; seed germination; molecular biology; genetics; traditional leafy vegetables; Gynandropsis gynandra
Pages 1 - 27
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