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Characterization And Inheritance Of Preharvest Sprouting Resistance In Clarks Cream White Winter Wheat Triticum Aestivum L
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Book Synopsis The Effect of Preharvest Sprouting on Seed Germination, Storability, and Field Performance of Four Winter Wheat Varieties (Triticum Aestivum L.) Grown in Michigan by : Sabry Gobran Elias
Download or read book The Effect of Preharvest Sprouting on Seed Germination, Storability, and Field Performance of Four Winter Wheat Varieties (Triticum Aestivum L.) Grown in Michigan written by Sabry Gobran Elias and published by . This book was released on 1987 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preharvest Sprouting Resistance and Grain Dormancy in White-kernelled Wheats by : Andrew Hoffman Paterson
Download or read book Preharvest Sprouting Resistance and Grain Dormancy in White-kernelled Wheats written by Andrew Hoffman Paterson and published by . This book was released on 1986 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Variability and Analysis of Screening Procedures of Preharvest Sprouting in South African Winter Wheat (Triticum Aestivum) Cultivars by : Annelie Barnard
Download or read book Genetic Variability and Analysis of Screening Procedures of Preharvest Sprouting in South African Winter Wheat (Triticum Aestivum) Cultivars written by Annelie Barnard and published by . This book was released on 2002 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physiological and Genetic Studies on Seed Dormancy and Preharvest Sprouting Resistance in Wheat (Triticum Aestivum L.) by : Craig F. Morris
Download or read book Physiological and Genetic Studies on Seed Dormancy and Preharvest Sprouting Resistance in Wheat (Triticum Aestivum L.) written by Craig F. Morris and published by . This book was released on 1988 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inheritance of Alpha-amylase Production and Pre-harvest Sprouting Resistance in Spring Wheat (Triticum Aestivum L.) by : Dennis James Dolan
Download or read book Inheritance of Alpha-amylase Production and Pre-harvest Sprouting Resistance in Spring Wheat (Triticum Aestivum L.) written by Dennis James Dolan and published by . This book was released on 1991 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic and Genomic Studies on Wheat Pre-harvest Sprouting Resistance by : Meng Lin
Download or read book Genetic and Genomic Studies on Wheat Pre-harvest Sprouting Resistance written by Meng Lin and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Wheat pre-harvest sprouting (PHS), germination of physiologically matured grains in a wheat spike before harvesting, can cause significant reduction in grain yield and end-use quality. Many quantitative trait loci (QTL) for PHS resistance have been reported in different sources. To determine the genetic architecture of PHS resistance and its relationship with grain color (GC) in US hard winter wheat, a genome-wide association study (GWAS) on both PHS resistance and GC was conducted using in a panel of 185 U.S. elite breeding lines and cultivars and 90K wheat SNP arrrays. PHS resistance was assessed by evaluating sprouting rates in wheat spikes harvested from both greenhouse and field experiments. Thirteen QTLs for PHS resistance were identified on 11 chromosomes in at least two experiments, and the effects of these QTLs varied among different environments. The common QTLs for PHS resistance and GC were identified on the long arms of the chromosome 3A and 3D, indicating pleiotropic effect of the two QTLs. Significant QTLs were also detected on chromosome arms 3AS and 4AL, which were not related to GC, suggesting that it is possible to improve PHS resistance in white wheat. To identify markers closely linked to the 4AL QTL, genotyping-by-sequencing (GBS) technology was used to analyze a population of recombinant inbred lines (RILs) developed from a cross between two parents, "Tutoumai A" and "Siyang 936", contrasting in 4AL QTL. Several closely linked GBS SNP markers to the 4AL QTL were identified and some of them were coverted to KASP for marker-assisted breeding. To investigate effects of the two non-GC related QTLs on 3AS and 4AL, both QTLs were transferered from "Tutoumai A" and "AUS1408" into a susceptible US hard winter wheat breeding line, NW97S186, through marker-assisted backcrossing using the gene marker TaPHS1 for 3AS QTL and a tightly linked KASP marker we developed for 4AL QTL. The 3AS QTL (TaPHS1) significantly interacted with environments and genetic backgrounds, whereas 4AL QTL (TaMKK3-A) interacted with environments only. The two QTLs showed additive effects on PHS resistance, indicating pyramiding these two QTLs can increase PHS resistance. To improve breeding selection efficiency, genomic prediction using genome-wide markers and marker-based prediction (MBP) using selected trait-linked markers were conducted in the association panel. Among the four genomic prediction methods evaluated, the ridge regression best linear unbiased prediction (rrBLUP) provides the best prediction among the tested methods (rrBLUP, BayesB, BayesC and BayesC0). However, MBP using 11 significant SNPs identified in the association study provides a better prediction than genomic prediction. Therefore, for traits that are controlled by a few major QTLs, MBP may be more effective than genomic selection.
Book Synopsis Characterizing Germplasm and Mapping QTLs for Pre-harvest Sprouting Resistance in Spring Wheat (Triticum Aestivum L.) by : Golam Rasul
Download or read book Characterizing Germplasm and Mapping QTLs for Pre-harvest Sprouting Resistance in Spring Wheat (Triticum Aestivum L.) written by Golam Rasul and published by . This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pre-harvest Sprouting Resistance in White Wheats by : Debbie L. Jones
Download or read book Pre-harvest Sprouting Resistance in White Wheats written by Debbie L. Jones and published by . This book was released on 1996 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inheritance of Sprouting Resistance in Common Bread Wheat (Triticum Aestivum L.). by : Margaret Auma Ogolla
Download or read book Inheritance of Sprouting Resistance in Common Bread Wheat (Triticum Aestivum L.). written by Margaret Auma Ogolla and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inheritance and Components of Resistance of Seven Soft Red Winter Wheat (Triticum Aestivum L.) Cultivars to Leptosphaeria Nodorum E. Muller by : David Emory Stooksbury
Download or read book Inheritance and Components of Resistance of Seven Soft Red Winter Wheat (Triticum Aestivum L.) Cultivars to Leptosphaeria Nodorum E. Muller written by David Emory Stooksbury and published by . This book was released on 1985 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inheritance of Sprouting Resistance in Common Bread Wheat (Triticum Aestivum L.) by : Margaret Auma Ogolla
Download or read book Inheritance of Sprouting Resistance in Common Bread Wheat (Triticum Aestivum L.) written by Margaret Auma Ogolla and published by . This book was released on 1985 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pre-harvest Sprouting and Seed Dormancy in Hard Red and Hard Winter Wheat (Triticum Aestivum L.) by : Andrew James McCrate
Download or read book Pre-harvest Sprouting and Seed Dormancy in Hard Red and Hard Winter Wheat (Triticum Aestivum L.) written by Andrew James McCrate and published by . This book was released on 1980 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of Environment on Pre-harvest Sprouting in Winter Wheat (Triticum Aestivum L.) by : Mary G. Hagemann
Download or read book Influence of Environment on Pre-harvest Sprouting in Winter Wheat (Triticum Aestivum L.) written by Mary G. Hagemann and published by . This book was released on 1982 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Identification and Validation of Genomic Regions Associated with Pre-harvest Sprouting Resistance in White-grained Wheat ('triticum Aestivum' L.). by : Rajender Singh
Download or read book Identification and Validation of Genomic Regions Associated with Pre-harvest Sprouting Resistance in White-grained Wheat ('triticum Aestivum' L.). written by Rajender Singh and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic and Environmental Aspects of Pre-harvest Sprouting and Related Traits in Triticum Aestivum L. Em Thell by : Byung Hee Hong
Download or read book Genetic and Environmental Aspects of Pre-harvest Sprouting and Related Traits in Triticum Aestivum L. Em Thell written by Byung Hee Hong and published by . This book was released on 1979 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Identification and Validation of Genomic Regions Associated with Pre-harvest Sprouting Resistance in White-grained Wheat ([i]triticum Aestivum[/i] L.). by :
Download or read book Identification and Validation of Genomic Regions Associated with Pre-harvest Sprouting Resistance in White-grained Wheat ([i]triticum Aestivum[/i] L.). written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic and Hormonal Mechanisms Controlling Grain Dormancy and Preharvest Sprouting Tolerance in White Wheat by : Shantel Amealia Martinez
Download or read book Genetic and Hormonal Mechanisms Controlling Grain Dormancy and Preharvest Sprouting Tolerance in White Wheat written by Shantel Amealia Martinez and published by . This book was released on 2018 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preharvest sprouting (PHS), germination of mature grain while still on the mother plant, occurs when conditions become cool and wet before harvest. The hydrolytic enzyme ?-amylase, induced during germination, mobilizes starch into simple carbohydrates to fuel seedling growth. Because this enzyme activity in flour causes poor end-use quality, sprouted grain sells at a severe discount. The falling number (FN) test measures ?-amylase activity in wheat meal or flour in the wheat industry. Seed dormancy, the inability to germinate even under favorable conditions, contributes about 60--80 % of genetic PHS tolerance. Red wheat varieties have higher seed dormancy and PHS tolerance than white. To improve white wheat, a genome-wide association study (GWAS) examined the genetic architecture of PHS tolerance in 469 soft white winter wheat accessions. Based on FN after natural or artificial rain, the GWAS identified 9 QTL (QFN.wsu), of which 4 co-localized with known PHS QTL and 3 with known FN/quality QTL. Based on visible sprout in spike-wetting tests, the GWAS identified 34 QTL (QPHS.wsu), of which 19 co-localized with known PHS loci and genes such as MOTHER OF FLOWERING TIME (TaMFT) and mitogen-activated protein kinase kinase 3 (TaMKK3-A). PHS tolerance in white wheat can result from higher sensitivity to the seed dormancy-inducing hormone abscisic acid (ABA). Enhanced Response to ABA (ERA8 ) is a semi-dominant ABA hypersensitive mutant, resulting in increased seed dormancy and PHS tolerance in the soft white spring wheat 'Zak'. The ERA8 locus was mapped to a large region of chromosome 4A relative to mutagen-induced SNPs in a Zak/ZakERA8 backcross population using bulk segregant analysis (BSA) of exome sequence from BC 3F2:3 wild-type and mutant DNA. Fine mapping using mutagen-induced SNPs in additional backcross lines localized ERA8 to a 4.5 Mb region containing 70 predicted genes. The only mutagen-induced coding region mutation strongly linked to ERA8 (LOD 16.51) resulted in a missense mutation in MKK3-A, a gene involved in Arabidopsis ABA signaling. Natural variation in wheat and barley MKK3 was previously shown to control seed dormancy and PHS tolerance.