QUALITY SELECTION AND GENETIC DIVERSITY OF TUNISIAN DURUM WHEAT VARIETIES USING SSR MARKERS

被引：8

作者：

Babay, Elyes ^{[1
]}

Mnasri, Sameh Rahmani ^{[1
]}

Mzid, Rim ^{[2
]}

ben Naceur, M'barek ^{[1
]}

Hanana, Mohsen ^{[2
]}

机构：

[1] Natl Gene Bank, Blvd Leader Yasser Arafat, Tunis 1080, Tunisia

[2] CBBC, LPE, BP 901, Hammam Lif 2050, Tunisia

来源：

BIOSCIENCE JOURNAL | 2019年 / 35卷 / 04期

关键词：

Durum wheat; Genetic diversity; SDS-sedimentation; Mixograph; Protein content; Yellow index; GRAIN PROTEIN-CONTENT; GLUTEN STRENGTH; QTL ANALYSIS; GLU-3; LOCI; BREAD; MICROSATELLITE; SUBUNITS; ALLELES; VOLUME; COLOR;

D O I：

10.14393/BJ-v35n4a2019-42301

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Our study focuses on the molecular analysis of the genetic diversity within 15 Tunisian durum wheat varieties and the assessment of the efficiency of some available markers to select valuable genotypes for technological proprieties of semolina (i.e. parameters related to SDS-sedimentation, mixing time and breakdown resistance of mixograph, grain protein content and yellow colour). While several markers were validated, others were not informative within the genotypes used. A high level of polymorphic information content (PIC) was detected, with an average of 5.2 polymorph alleles per locus and 0.6 average. Old varieties have high protein content however; modern varieties display strong gluten strength. Our results thus open the opportunity to choose valuable parents on the base of pedigrees, technological properties and genetic distances; and lead us to select efficient markers for the Regional Indigenous Land Strategy (Rils) selection strategy.

引用

页码：1002 / 1012

页数：11

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