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Qtl Analysis Of Genetic Resistance To White Mold Sclerotinia Sclerotiorum In Common Bean Phaseolus Vulgaris
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Book Synopsis QTL Analysis of Genetic Resistance to White Mold (Sclerotinia Sclerotiorum) in Common Bean (Phaseolus Vulgaris) by : Marcio Ender
Download or read book QTL Analysis of Genetic Resistance to White Mold (Sclerotinia Sclerotiorum) in Common Bean (Phaseolus Vulgaris) written by Marcio Ender and published by . This book was released on 2003 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Dissection of Resistance to White Mold (Sclerotinia Sclerotiorum) in Common Bean (Phaseolus Vulgaris) by : Judith Marie Kolkman
Download or read book Genetic Dissection of Resistance to White Mold (Sclerotinia Sclerotiorum) in Common Bean (Phaseolus Vulgaris) written by Judith Marie Kolkman and published by . This book was released on 2000 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantitative Trait Loci Analysis of Resistance to White Mold (Sclerotinia Sclerotiorum) in Common Bean (Phaseolus Vulgaris) by : Wezi Esther Mkwaila
Download or read book Quantitative Trait Loci Analysis of Resistance to White Mold (Sclerotinia Sclerotiorum) in Common Bean (Phaseolus Vulgaris) written by Wezi Esther Mkwaila and published by . This book was released on 2013 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis White Mold Resistance by : Oritsesaninormi Blessing Oraguzie
Download or read book White Mold Resistance written by Oritsesaninormi Blessing Oraguzie and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pyramiding Quantitative Trait Loci Conditioning Partial Resistance to Sclerotinia Sclerotiorum in Bush Blue Lake Green Beans (Phaseolus Vulgaris) by : Miles Andrew Barrett
Download or read book Pyramiding Quantitative Trait Loci Conditioning Partial Resistance to Sclerotinia Sclerotiorum in Bush Blue Lake Green Beans (Phaseolus Vulgaris) written by Miles Andrew Barrett and published by . This book was released on 2010 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sclerotinia sclerotiorum (Lib.) de Bary is a necrotrophic pathogen capable of causing white mold, a severe disease in common bean. White mold is of particular concern to the Oregon snap bean processing industry, where processors allow less than 3% incidence in harvested shipments. Breeding for white mold resistance in beans has been difficult due to quantitative inheritance and low heritability. We combined two quantitative trait loci (QTL) for physiological resistance to white mold: a QTL located on linkage group 7 from G122 and a B8 QTL from NY6020. The B7 QTL is linked to phaseolin for which a sequence characterized amplified region (SCAR) marker phaseolin has been used successfully to transfer the QTL in dry bean. The transfer in snap bean is more challenging because this QTL is also linked to the p locus which conditions the white-seeded trait. While most snap beans have T phaseolin seed protein, the OSU bush blue lake (BBL) materials have the S form of phaseolin, facilitating the use of T phaseolin as a selectable marker in breeding for white mold resistance. Thus, transfer of this QTL has to be coupled with breaking the linkage between colored seed and the resistance QTL. The B8 QTL is linked to the SS181650 SCAR and AW191200 random amplified polymorphic DNA (RAPD) markers. Oregon State University BBL bean germplasm originally developed with single QTL were crossed to pyramid the two resistance QTL. The assumptions made in combining these two sources of resistance are that the QTL are non-allelic and are additive. OSU 6229, OSU 6230, and OSU 6241 are advanced breeding lines that have the SS181650 allele from NY6020 and show statistically significant higher levels of resistance in the field and greenhouse (straw) test compared to susceptible cultivars. White-seeded, T phaseolin types were selected from a OR 91G x G122 BC2F3 population. The selected lines showed levels of resistance significantly better than the susceptible check cultivars in the straw test. The two sources were crossed and the progeny were subjected to three or more generations of phenotypic selection in the straw test. One hundred and forty eight families were planted in a randomized complete block design (RCBD). All families had been previously genotyped using the PHAS and SS181650 SCAR molecular markers. Plants were inoculated using actively growing mycelium of S. sclerotiorum and scored using a modified straw test to test for genetic additivity among marker classes. None of the lines were statistically more resistant than G122, a QTL donor and standard resistant check. In a separate study, data collected in NY6020-5 x OR 91G and NY6020-5 x OSU 5613 populations suggest that NY6020-5 has a B7 QTL equivalent to G122. Other researchers have presented evidence that G122 has a B8 QTL equivalent to NY6020. Finally in a mixed linear model study we identified two markers, B181500 and C81200, which should prove useful in breeding for white mold resistance. While the material that we developed does not show significantly higher levels of resistance than the resistant parents, we have transferred the resistance QTL into a bush blue lake background, and the lines derived from this work should have significantly higher levels of resistance than existing commercial cultivars. We also present evidence of a QTL not previously identified in NY6020-5.
Book Synopsis Genetic Resistance to White Mold (Sclerotinia Sclerotiorum (Lib.) De Bary) in Scarlet Runner Beans (Phaseolus Coccineus L.). by : Barbara S. Gilmore
Download or read book Genetic Resistance to White Mold (Sclerotinia Sclerotiorum (Lib.) De Bary) in Scarlet Runner Beans (Phaseolus Coccineus L.). written by Barbara S. Gilmore and published by . This book was released on 2007 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: The P. coccineus collection of the U.S. Department of Agriculture National Plant Germplasm System (NPGS) Plant Introduction collection maintained at Pullman, WA, consisting of 478 accessions, but only 364 were available to be screened with the pathogen S. sclerotiorum to identify partial physiological resistance. 50.1 % of the accessions were identified to have high partial physiological resistance using the Petzoldt and Dickson (1996). Accessions were also characterized as to what species they were, based on hilum and seed coat appearance and emergence. Almost 30% of the accessions' seeds were either a mixture of species or labeled the wrong species.
Book Synopsis Heritability of Resistance to White Mold in Snap Bean (Phaseolus Vulgaris L.) Based on Field Evaluation, Oxalic Acid, and Straw Test and Validation with RAPD Markers by : Yong Suk Chung
Download or read book Heritability of Resistance to White Mold in Snap Bean (Phaseolus Vulgaris L.) Based on Field Evaluation, Oxalic Acid, and Straw Test and Validation with RAPD Markers written by Yong Suk Chung and published by . This book was released on 2007 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization of Physiological Resistance to White Mold and Search for Molecular Markers Linked to Resistance Via Advanced Backcross QTL Analysis in an Interspecific Cross Between Phaseolus Coccineus and P Vulgaris by : Jack Erron Haggard
Download or read book Characterization of Physiological Resistance to White Mold and Search for Molecular Markers Linked to Resistance Via Advanced Backcross QTL Analysis in an Interspecific Cross Between Phaseolus Coccineus and P Vulgaris written by Jack Erron Haggard and published by . This book was released on 2007 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: White mold, caused by Sclerotinia sclerotiorum (Lib.) de Bary, results in severe losses in the production of common bean, Phaseolus vulgaris, especially snap bean varieties. Advanced backcross QTL analysis was used to identify quantitative trait loci for resistance to white mold in an interspecific cross of P. vulgaris and P. coccineus and to select resistant, well-adapted germplasm for development of superior common bean cultivars. A population of 115 BC2F4 lines from a cross of snap bean cultivar OR 91G x runner bean accession PI 255956 was genotyped using amplified fragment length polymorphism (AFLP®) and simple sequence repeat (SSR) markers. Corresponding BC2F5 progeny were evaluated for resistance to white mold in a greenhouse straw test and for tolerance to oxalate in a laboratory test. BC2F6 lines were then tested for resistance under field conditions. Single factor analysis of variance identified 29 marker loci contributing to response in at least one phenotypic test. One QTL conditioning 6% of the variance for field resistance was identified by composite interval mapping on linkage group 09, anchored to the consensus linkage group b09 by SSR loci. Significant deviation from expected segregation ratios was observed at all but 3 SSR loci and at all but 7 AFLP® loci (p
Book Synopsis Phenotypic and Genotypic Variability in Populations of Sclerotinia Sclerotiorum Used to Screen for White Mold Resistance in Common Bean (Phaseolus Vulgaris) at Major Bean Production Areas in the United States by : Lindsey Kathleen Otto Hanson
Download or read book Phenotypic and Genotypic Variability in Populations of Sclerotinia Sclerotiorum Used to Screen for White Mold Resistance in Common Bean (Phaseolus Vulgaris) at Major Bean Production Areas in the United States written by Lindsey Kathleen Otto Hanson and published by . This book was released on 2007 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis QTL Analysis and Candidate Genes Identification Associated with Fusarium Root Rot Resistance in Common Beans (Phaseolus Vulgaris ) by : Weijia Wang
Download or read book QTL Analysis and Candidate Genes Identification Associated with Fusarium Root Rot Resistance in Common Beans (Phaseolus Vulgaris ) written by Weijia Wang and published by . This book was released on 2016 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selection for White Mold Resistance in Pinto Bean by : Henry Terán-Santofimio
Download or read book Selection for White Mold Resistance in Pinto Bean written by Henry Terán-Santofimio and published by . This book was released on 2008 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: White mold (WM) caused by Sclerotinia sclerotiorum (Lib.) de Bary is a devastating disease of common bean (Phaseolus vulgaris L.). Improved germplasm screening and breeding methods are needed to facilitate efforts to increase WM resistance. The objectives of this research were to determine (I) the efficacy of three screening methods (SM) to identify resistance, and (II) the effectiveness of gamete (GS) and recurrent selection (RS) in pyramiding resistance from diverse germplasm. The SM were (i) modified straw-test or cut-stem (CSB), (ii) infected bean flower (IFL), and (iii) infected oat seed (IOS). A 195, ICA Bunsi, Othello, and VCW 54 breeding lines and cultivars were tested using a split plot design with three replicates in 2007 and 2008. The WM disease severity was scored at 16, 23, and 33 days post inoculation (DPI) using a 1 to 9 scale. A novel breeding method, GS was practiced from F1 to F4 in two double-cross populations, Pop I = USPT-WM-1/CORNELL 601//USPT-CBB-1/92BG-7 and Pop II = Chase/I 9365-25//ABL 15/A 195. Thirteen selected F1.5 breeding lines and parents from each population were tested using a randomized complete block design with three replicates in two greenhouse environments. For RS practiced in the same Pop I and II, only highly resistant plants of F1-derived families of each population were used to produce cycles 1 (C1) and 2 (C2). Thirteen S 2 families from each of C1 and C2 and parents (C0) of each population were tested as in the GS. Differences between SM and their interactions with years were significant. The IFL and CSB were consistent and correlated positively (r>0.70, P>0.01). VCW 54 had the highest resistance with the lowest WM scores, followed by A 195. WM scores increased with delayed evaluations. Only 1.2% of families from Pop I and 0.9% from Pop II survived GS by F4. An average of 38% gain in WM resistance was obtained in both populations. Eleven breeding lines of Pop I were equal to the best WM resistant parent 92BG-7, while 12 breeding lines of Pop II were equal to the best WM resistant parents A 195 and I 9365-25. Gain from RS in Pop I was 12% and in Pop II 5% from C0 to C1, but differences between C1 and C2 were not significant (P>0.05).
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2004 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Disease and pest resistance in legume crops by :
Download or read book Disease and pest resistance in legume crops written by and published by Frontiers Media SA. This book was released on 2023-04-10 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Breeding for Resistance to Bean Common Mosaic Necrosis Virus and Molecular Tagging of Bc-3 Gene in Common Bean by : Mukeshimana. Gérardine
Download or read book Breeding for Resistance to Bean Common Mosaic Necrosis Virus and Molecular Tagging of Bc-3 Gene in Common Bean written by Mukeshimana. Gérardine and published by . This book was released on 2003 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Common Bean Improvement in the Twenty-First Century by : S.P. Singh
Download or read book Common Bean Improvement in the Twenty-First Century written by S.P. Singh and published by Springer Science & Business Media. This book was released on 2013-11-09 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: The common bean (Phaseolus vulgaris L. ) is the most important pulse crop in the world. It is an important source of calories, proteins, dietary fibers, minerals, and vitamins for millions of people in both developing and developed countries worldwide. It complements cereals and other carbohydrate-rich foods in providing near-perfect nutrition to people of all ages. Moreover, a regular intake ofbeans helps lower cholesterol and cancer risks. Despite the fact that per capita consumption of common bean in some developed countries (e. g. , the U. S. A. ) has been increasing over the last several years, in general, the average global per capita consumption is declining because production is unable to keep up with the population growth. Moreover, increasing demand for pesticide-free food products, concern for natural resources conservation, and the need to reduce production costs offer daunting challenges to the twenty-first century policy makers, bean growers, and researchers alike. High yielding, high quality bean cultivars that require less water, fertilizers, pesticides, and manual labor combined with integrated management of abiotic and biotic stresses will have to be developed. Eminent bean researchers were invited to contemplate these issues, prepare a state-of-the-art account on most relevant topics, and offer their insight into research directions into the twenty-first century. Four excellent books have been published covering various aspects ofthe common bean since 1980. These books are: I) Bean Production Problems nd in the Tropics (l SI ed. 1980, 2 ed. 1989), H. F. Schwartz & M. A.
Book Synopsis Genetic Resources, Chromosome Engineering, and Crop Improvement by : Ram J. Singh
Download or read book Genetic Resources, Chromosome Engineering, and Crop Improvement written by Ram J. Singh and published by CRC Press. This book was released on 2005-03-16 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first book in this new series discusses grain legumes, which rank only second to cereals in supplying calories and protein to the world's population. With each chapter written by an internationally renowned scientist, the book reviews the role of alien germplasm for the domestication of each major legume crop. Discussion for each crop covers or
Download or read book Crop Science written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
