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Abbreviations SHW synthetic hexaploid wheat HMW-GS high-molecular-weight glutenin subunits

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. Incorporation of Glu-D1 loci with high-molecular-weight glutenin subunits to hexaploid triticale. Folia Universitatis Agriculturae Stetinensis 175 :3–8. Apolinarska B. Incorporation of Glu

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traits contributing to drought tolerance of synthetic hexaploid wheat in a greenhouse study . Euphytica 307 : 213 – 224 . Dunckel , S. , Crossa , J. , Wu, Shuangye , Bonnett , D

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Payne, P., Lawrence, G. 1983. Catalogue of alleles for the complex gene loci, Glu-A1, Glu-B1, Glu-D1 which code for high-molecular-weight subunits of glutenin in hexaploid wheat. Cereal Res. Comm. 11 :29

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. The structure of the Aegilops tauschii genepool and the evolution of hexaploid wheat. Theor. Appl. Genet. 97 :657–670. Zhang H.B. The structure of the Aegilops tauschii genepool

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119 124 Maich, R.H., Chaves, A.G., Coraglio, M.C., Costero, B., Torres, L.E. 2006. Agronomic performance of bread wheat ( Triticum aestivum L.) and hexaploid triticale

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., Welham, S., Nádasy, M., Pickett, J. A., Werner, C. P. (2013) The potential of hydroxamic acids in tetraploid and hexaploid wheat varieties as resistance factors against the bird-cherry oat aphid, Rhopalosiphum padi . Ann. Appl. Biol. 162 , 100

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tauschii (Coss.) Schmal. ( Aegilops squarrosa auct. Non L.), in synthetic hexaploid wheats ( T. turgidum L. s. lat. X. T. tauschii ; 2n=6x=42, AABBDD), and its potential utilization for wheat improvement. Genetic Resources and Crop

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Rht18, derived from Triticum durum (tetraploid) wheat, is classified as a gibberellic acid (GA)-responsive dwarfing gene. Prior to this study, the responses of Rht18 to exogenous GA on agronomic traits in hexaploid wheat were still unknown. The response of Rht18 to exogenous GA3 on coleoptile length, plant height, yield components and other agronomic traits were investigated using F4:5 and F5:6 hexaploid dwarf lines with Rht18 derived from two crosses between the tetraploid donor Icaro and tall Chinese winter wheat cultivars, Xifeng 20 and Jinmai 47. Applications of exogenous GA3 significantly increased coleoptile length in both lines and their tall parents. Plant height was significantly increased by 21.3 and 10.7% in the GA3-treated dwarf lines of Xifeng 20 and Jinmai 47, respectively. Compared to the untreated dwarf lines, the partitioning of dry matter to ears at anthesis was significantly decreased while the partitioning of dry matter to stems was significantly increased in the GA3-treated dwarf lines. There were no obvious changes in plant height and dry matter partitioning in the GA3-treated tall parents. Exogenous GA3 significantly decreased grain number spike–1 while it increased 1000-kernel weight in both the dwarf lines and tall parents. Thus, applications of exogenous GA3 restored plant height and other agronomic traits of Rht18 dwarf lines to the levels of the tall parents. This study indicated that Rht18 dwarf mutants are GA-deficient lines with impaired GA biosynthesis.

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The dough characteristics of fifty popular Indian hexaploid wheat varieties were assessed by testing various rheological properties using a Brabender Farinograph and an Extensograph. These studies were aimed at evaluating the flour quality and functionality of the wheat dough. Based on the rheological dough properties of 50 Indian hexaploid wheat varieties it was recommended that 13 wheats could be useful for blending purposes, 31 varieties could be used for both bread and chapatti making, and the remaining 6 wheats were found suitable for biscuit making. The outcome of the experiments will be useful for plant breeders, millers and bakers.

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