Aegilops tauschii Introgressions Improve Physio-Biochemical Traits and Metabolite Plasticity in Bread Wheat under Drought Stress
نویسندگان
چکیده
منابع مشابه
Applicability of Aegilops tauschii drought tolerance traits to breeding of hexaploid wheat
Few genes are available to develop drought-tolerant bread wheat (Triticum aestivum L.) cultivars. One way to enhance bread wheat's genetic diversity would be to take advantage of the diversity of wild species by creating synthetic hexaploid wheat (SW) with the genomic constitution of bread wheat. In this study, we compared the expression of traits encoded at different ploidy levels and evaluate...
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Pedigree selection was practiced on two bread wheat populations, namely Debeira x Sahel 1 and Sids 6 x Sahel 1as a first and second population, respectively under drought stress conditions (at 12 % soil moisture content) in order to improve some morphological traits (plant height, spike length, no. of spikelets /spike and days to maturity). The obtained results revealed that all F3 families in ...
متن کاملResponses of above and below-ground traits of wheat wild relative (Aegilops tauschii) and bread wheat (Triticum aestivum L.) to imposed moisture stress
The narrow genetic variation of bread wheat is one of the limitations to improve it for drought-tolerance. The research carried out to study the responses of different genotypes and traits to imposed moisture stress. The plant material comprised of 10 Aegilops tauschii accessions as well as a tolerant (BW2) and a susceptible (BW1) bread wheat cultivar. To assess the root and shoot-traits, two s...
متن کاملSNPing Aegilops tauschii genetic diversity and the birthplace of bread wheat.
Towards the end of World War II, McFadden & Sears (1946) published a lengthy and classic paper on the origin of hexaploid or bread wheat. In the appendix to this paper they acknowledged that Kihara (1944) had also independently identified Aegilops tauschii (syn. Ae. squarrosa, Tritcum tauschii) as the D-genome donor of bread wheat. Since then, there have been many studies on the taxonomy, biolo...
متن کاملGenetic Analysis and QTLs Identification of Some Agronomic Traits in Bread Wheat (Triticum aestivum L.) under Drought Stress
In order to study the genetic conditions of some agronomic traits in wheat, a cross was made between Gaspard and Kharchia varieties. F2, F3 and F4 progenies with parents were evaluated under drought conditions. Three-parameter model [m d h] considered as the best fit for number of fertile tiller and flag leaf length using generations mean analysis method. For number of grain per spike and main ...
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ژورنال
عنوان ژورنال: Agronomy
سال: 2020
ISSN: 2073-4395
DOI: 10.3390/agronomy10101588