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2 edition of Pre-harvest sprouting tolerance of a synthetic hexaploid wheat (Triticum turgidum L. x Aegilops tauschii Coss.) found in the catalog.

Pre-harvest sprouting tolerance of a synthetic hexaploid wheat (Triticum turgidum L. x Aegilops tauschii Coss.)

Andre Cunha Rosa

Pre-harvest sprouting tolerance of a synthetic hexaploid wheat (Triticum turgidum L. x Aegilops tauschii Coss.)

by Andre Cunha Rosa

  • 74 Want to read
  • 15 Currently reading

Published .
Written in English

    Subjects:
  • Wheat -- Breeding.,
  • Wheat -- Preharvest sprouting.,
  • Aegilops -- Breeding.,
  • Aegilops -- Preharvest sprouting.

  • Edition Notes

    Statementby Andre Cunha Rosa.
    The Physical Object
    Pagination69 leaves, bound ;
    Number of Pages69
    ID Numbers
    Open LibraryOL18129817M

    The core collection of red-seeded winter hexaploid triticale with different pre-harvest sprouting (PHS) resistance has been evaluated for the allelic structure of the gene VIVIPAROUS-1B (Vp-1B) with STS molecular marker. The discovered structure of the collection was as follows: % and % of the collection carries Vp-1Bа and Vp-1Bc alleles, respectively, while 8,3% possesses both of them. Resistance to pre-harvest sprouting (PHS) is one of the major objectives in wheat breeding programs. However, the complex quantitative nature of this trait presents challenges when breeding for PHS resistance. Characterization of PHS using near-isogenic lines (NILs) targeting major quantitative trait locus/loci (QTL/QTLs) can be an effective strategy for the identification of responsible genes.

      The new variety, known as synthetic hexaploid wheat, boosts the genetic diversity and resilience of wheat, notoriously vulnerable due to its low genetic diversity, adding novel genes for disease resistance, nutritional quality and heat and drought tolerance.   Mapping QTLs for pre-harvest sprouting tolerance on chromosome 2D in a synthetic hexaploid wheat x common wheat cross. Ren XB, Lan XJ, Liu DC, Wang JL, Zheng YL. J Appl Genet, 49(4), 01 Jan Cited by: 10 articles | PMID:

      Pre-harvest sprouting (PHS) of wheat (Triticum aestivum L.) refers to the germination of wheat grains in matured spikes before harvest due to continuous wet weather during harvest can result in a significant reduction in wheat grain yield and grain end-use quality, thus a reduction in grain sale price [1, 2].Growing PHS-resistant cultivars is the most effective way to .   Roy JK, Prasad M, Varshney RK, Balyan HS, Blake TK, Dhaliwal HS, et al.. Identification of a microsatellite on chromosomes 6B and a STS on 7D of bread wheat showing an association with pre-harvest sprouting tolerance. Theor. .


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Pre-harvest sprouting tolerance of a synthetic hexaploid wheat (Triticum turgidum L. x Aegilops tauschii Coss.) by Andre Cunha Rosa Download PDF EPUB FB2

Pre-harvest sprouting (PHS) of wheat (Triticum aestivum L.) is an important phenomenon that results in weather dependent reductions in grain yield and quality across the to the large annual losses, breeding PHS resistant varieties is of great importance.

Many quantitative trait loci have been associated with PHS and a number of specific genes have been proven to impact by: 6. Pre-harvest sprouting of wheat is always a potential risk, but this season there is some concern given the past and current weather pattern and some early test sample results.

In any event, here are a few reminders regarding the issue. Introduction. Pre-harvest sprouting (PHS), a phenomenon where seeds germinate on the plant before harvest, is a major problem around the world, especially for barley (Hordeum vulgare) and wheat (Triticum aestivum), the fourth and second most widely produced causes devastating damage to barley and wheat production because yields are reduced and the resulting Cited by: PHS-susceptible white-grain wheat and generated a synthetic.

key information for improving pre-harvest sprouting tolerance in barley and wheat. found on the 1D1 chromosome of hexaploid. 1. Wheat evolution and synthetic hexaploid wheat Wheat evolution and domestication. Common wheat (Triticum aestivum L. aestivum L.)) arose through natural hybridization and chromosome doubling between T.

turgidum ssp. duruma cultivated allotetraploid (2n = 4x = 28, AABB), and Aegilops tauschii Coss. (Ae. tauschii Coss.), a diploid goat grass (2n = 2x = 14, Cited by: Pre-harvest sprouting in wheat costs farmers millions of dollars every year.

Pre-harvest sprouting tolerance (PST) has minimized this problem, but improvement of PST is still necessary. Synthetic hexaploid wheats (synthetics) have been used as sources of genes coding for many useful traits.

Two studies evaluated the PST of a synthetic (Altar. Pre-harvest sprouting (PHS) leads to loss of grain weight and a reduction in the end use quality of kernels in cereals, especially in wheat, and PHS in rice also becomes a more and more serious problem recent years.

Many factors are involved in the controlling this complex trait. Identification of -1B and -3D from synthetic wheat for pre-harvest sprouting resistance wheat improvement Article (PDF Available) in Molecular Breeding 39(9) September Pre-harvest sprouting tolerance among hexaploid synthetic wheats.

In: D. Weipert (Ed.), Eighth International Symposium on Pre-Harvest Sprouting in Cerealspp. – Association of Cereal Research, Federal Centre for Cereal, Potato and Lipid Research, Detmold, Germany, Detmold, Germany.

Pre-harvest sprouting (PHS) causes serious damage that leads to deterioration in overall quality and decreased yield and reduction of grain yield in cereal.

In this study, two major quantitative trait loci (QTLs), -3D and -1B, were detected in synthetic wheat (SHW-L1) and were derived from Aegilops tauschii AS60 (deep dormant) and Triticum turgidum. Review Synthetic hexaploid wheat enhances variation and adaptive evolution of bread wheat in breeding processes 1,2Jun LI 1,2Hong‐Shen WAN 1,2Wu‐Yun YANG* 1(Crop Research Institute, Sichuan Academy of Agricultural Sciences, ChengduChina) 2(Key Laboratory of Wheat Biology and Genetic Improvement on Southwestern China, Ministry of Agriculture, ChengduChina).

Pre-harvest sprouting in wheat. Influence of cultivar, rainfall and temperature during grain ripening. Pre-harvest sprouting resistance and associated components in 12 wheat cultivars.

Cereal Res. Pre-harvest sprouting tolerance in white grained wheat. Mapping QTLs for pre-harvest sprouting tolerance on chromosome 2D in a synthetic hexaploid wheat×common wheat cross.

Journal of Applied Genetics, Vol. 49, Issue. 4, p. Journal of Applied Genetics, Vol. 49, Issue. 4, p. The seed dormancy characteristic is regarded as one of the most critical factors for pre-harvest sprouting (PHS) resistance.

As a wild wheat relative species, Aegilops tauschii is a potential genetic resource for improving common wheat. In this study, an advanced backcross population ( strains) containing only Ae.

tauschii segments was developed by means of synthetic octaploid wheat. Pre-Harvest Sprouting in Cereals edited by M. Walker-Simmons and J. Ried. Pre-Harvest Sprouting in Cereals contains research on all aspects of pre-harvest sprouting including the effects of sprouting on cereal end products, genetics and breeding for pre-harvest sprouting tolerance, and assay methods.

Pre-Harvest Sprouting in Cereals is an ideal reference for food chemists. Pre-harvest sprouting tolerance of a synthetic hexaploid wheat (Triticum turgidum L. x Aegilops tauschii Coss.) Public Deposited. In wheat (Triticum aestivum I.) the level of seed dormancy expressed depends on the temperatures encountered during the grain‐filling e of the significant role of seed dormancy in preharvest sprout damage of wheat cultivars, this study was undertaken to determine the levels of seed dormancy induced in wheat cultivars ‘Hyslop’, ‘Yamhill’, ‘P.I.

’, ‘Brevor. In ‘Proceedings of the 8th International Symposium on Pre-harvest Sprouting in Cereals’. Detmold, Germany. Trethowan RM, van Ginkel M, Mujeeb-Kazi A () Performance of advanced bread wheat × synthetic hexaploid derivatives under reduced irrigation.

Annual Wheat News Let 87– The importance of pre-harvest sprouting research K. Ringlund Sprouting damage in wheat and its effect on wheat flour products K.

Mansour The economics of sprout damage in wheat T. Wahl and A. O'Rouke Genetics and Breeding for Pre-Harvest Sprouting Tolerance Genetic studies of sprouting tolerance in red and white wheats D. Mares. Based on segregation distortion of simple sequence repeat (SSR) molecular markers, we detected a significant quantitative trait loci (QTL) for pre-harvest sprouting (PHS) tolerance on the short arm of chromosome 2D (2DS) in the extremely susceptible population of F2 progeny generated from the cross of PHS tolerant synthetic hexaploid wheat cultivar 'RSP' and PHS susceptible bread wheat.

Aegilops tauschii, the wild relative of wheat, has stronger seed dormancy, a major component of preharvest sprouting resistance (PHSR), than bread wheat. A diploid Ae. tauschii accession (AUS) and a tetraploid (Triticum turgidum L.

ssp. durum var. Altar84) wheat were used to construct a synthetic wheat (Syn37). The genetic architecture of PHS was investigated in BC1F7 synthetic.Pre-harvest sprouting (PHS) refers to the germination of grains in mature cereal spikes before harvest under continuous wet weather conditions [].PHS has adverse impacts on wheat quality and yield [2,3] and reduces baking quality of dough by making it porous, sticky, and price of sprouted grain is decreased by 20–50% and is unacceptable for human food if it contains more than 4.Pre-harvest sprouting (PHS) is one of the most important factors to affect the yield and quality of crops worldwide especially in wet harvest period.

Br eeding PHS-resistant cultivars has important implications to improve the wheat quality and production.

The PHS is determined by environmental conditions, inner factors and interaction between these factors.