Inheritance of and molecular markers for purple seed stain resistance in soybean

Alloatti, Julieta; Chen, Pengyin; Zeng, Ailan; Li, Shuxian; Rupe, J. C.; Florez‐Palacios, Liliana; Orazaly, Moldir

doi:10.1007/s10681-015-1492-2

Cited by 9 publications

(4 citation statements)

References 22 publications

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“…The candidate resistance gene was mapped between Sat_308 (6.6 cM) and Satt594 (11.6 cM) on molecular linkage group G. These markers may be beneficial in marker-aided selection for employing PSS resistance from PI 80,837 in a breeding scheme [ 131 ]. Alloatti et al [ 132 ] detected SSR markers linked to resistance against purple seed stain in soybean. During their study, two populations were developed by crossing PI 80,837 (resistant) with AP 350 and MO/PSD-0259 and further used for the identification of SSR markers linked to purple seed stain resistance genes in soybean.…”

Section: Soybean Diseases and Molecular Developmentsmentioning

confidence: 99%

Molecular Breeding to Overcome Biotic Stresses in Soybean: Update

Tripathi

Tiwari

et al. 2022

Plants

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Soybean (Glycine max (L.) Merr.) is an important leguminous crop and biotic stresses are a global concern for soybean growers. In recent decades, significant development has been carried outtowards identification of the diseases caused by pathogens, sources of resistance and determination of loci conferring resistance to different diseases on linkage maps of soybean. Host-plant resistance is generally accepted as the bestsolution because of its role in the management of environmental and economic conditions of farmers owing to low input in terms of chemicals. The main objectives of soybean crop improvement are based on the identification of sources of resistance or tolerance against various biotic as well as abiotic stresses and utilization of these sources for further hybridization and transgenic processes for development of new cultivars for stress management. The focus of the present review is to summarize genetic aspects of various diseases caused by pathogens in soybean and molecular breeding research work conducted to date.

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Section: Soybean Diseases and Molecular Developmentsmentioning

confidence: 99%

Molecular Breeding to Overcome Biotic Stresses in Soybean: Update

Tripathi

Tiwari

et al. 2022

Plants

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“…To control PSS, several strategies have been used, such as tillage, crop rotation [27], fungicide applications at pod-filling stages [28], and the use of genetic resistance [29–34]. Planting PSS-resistant genotypes is an economical and environmentally friendly means to control the disease.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of soybean genotypes for reaction to natural field infection by Cercospora species causing purple seed stain

Sciumbato

Boykin³

et al. 2019

PLoS ONE

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Purple seed stain (PSS) of soybean (Glycine max (L.) Merr.) is a prevalent seed disease. It results in poor seed quality and reduced seed lot market grade, and thus undermines value of soybean worldwide. The objectives of this research were to evaluate the reaction of selected soybean genotypes collected from 15 countries representing maturity groups (MGs) III, IV, and V to PSS, and to identify new sources of resistance to PSS based on three years of evaluation of natural field infection by Cercospora spp. in the Mississippi Delta of the U. S. In this study, 42 soybean genotypes were evaluated in 2010, 2011, and 2012. Seventeen lines including six MG III (PI 88490, PI 504488, PI 417361, PI 548298, PI 437482, and PI 578486), seven MG IV (PI 404173, PI 346308, PI 355070, PI 416779, PI 80479, PI 346307, and PI 264555), and four MG V (PI 417567, PI 417420, PI 381659, and PI 407749) genotypes had significantly lower percent seed infection by Cercospora spp. than the susceptible checks and other genotypes evaluated (P ≤ 0.05). These genotypes of soybean can be used in developing soybean cultivars or germplasm lines with resistance to PSS and for genetic mapping of PSS resistance genes. In addition, among these 17 lines with different levels of resistance to PSS, nine soybean genotypes (PI 417361, PI 504488, PI 88490, PI 346308, PI 416779, PI 417567, PI 381659, PI 417567, and PI 407749) were previously reported as resistant to Phomopsis seed decay. Therefore, they could be useful in breeding programs to develop soybean cultivars with improved resistance to both seed diseases.

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“…En la variedad SJ.2 se determinó que la resistencia a la MPS está controlada por un único gen dominante (Srisombun y Supapornhemin, 1993). Por otro lado, Jackson et al (2006Jackson et al ( , 2008 usando una población F2 derivada de un cruce entre los cultivares AGRIPRO 350 y PI 80837, y marcadores microsatélites o de repeticiones de simple secuencia (SSRs, del inglés: simple sequence repeats), mostraron que la resistencia al TH/MPS en PI 80837 fue controlada por un solo gen dominante, Rpss1, mapeado entre Sat_308 (6,6 cM) y Satt594 (11,6 cM) en la soja grupo de enlace molecular G. Asimismo, Alloatti et al (2015b) identificaron una región cromosómica en la proximidad de Satt115 y Satt340 en el cromosoma 18, asociada con el gen de resistencia Rpss1. Estos resultados confirman la presencia de un gen de resistencia mayor, Rpss1, en PI 80837 y también indican un supuesto gen adicional para la resistencia a MPS.…”

Section: Manejo Integrado Del Th Y La Mpsunclassified

“…Estos resultados confirman la presencia de un gen de resistencia mayor, Rpss1, en PI 80837 y también indican un supuesto gen adicional para la resistencia a MPS. Se espera que en el futuro se avance en la identificación de genes de resistencia adicionales en el genoma de la soja, para luego ser incorporados en los programas de mejoramiento genético (Zaccaron et al, 2015;Alloatti et al, 2015b). Recientemente, Ward et al (2021) han evaluado 568 líneas de accesión de soja en el sur de E.E.…”

Section: Manejo Integrado Del Th Y La Mpsunclassified

Sensibilidad y resistencia a fungicidas de <i>Cercospora kikuchii</i>, agente causal del tizón de la hoja y mancha púrpura de la semilla de la soja

Sautua¹

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En Argentina, diferentes especies de Cercospora causan el tizón de la hoja (TH) y la mancha púrpura de la semilla (MPS) en soja. Debido a que no hay variedades de soja resistentes disponibles en el mercado, el manejo de TH/MPS depende en gran medida de aplicaciones de fungicidas. En este estudio se determinó la sensibilidad de 62 cepas de Cercospora argentinas a fungicidas inhibidores de la desmetilación (DMI), carbamato de metilbenzimidazol (MBC), inhibidores de la quinona externa (QoI), inhibidores de la succinato deshidrogenasa (SDHI) y mancozeb. Todos los aislados fueron sensibles a difenoconazole, epoxiconazole, protioconazole, tebuconazole y cyproconazole (los valores de EC50 variaron de 0,006 a 2,4 µg mL-1). Por el contrario, la mitad (51%) de los aislados fueron sensibles (los valores de EC50 variaron de 0,003 a 0,2 µg mL-1) y la mitad (49%) altamente resistentes (EC50> 100 µg mL-1) a carbendazim. Todos los aislados fueron completamente resistentes a azoxystrobina, trifloxystrobina, pyraclostrobina e insensibles a boscalid, fluxapyroxad y pydiflumetofen (EC50 > 100 µg mL-1). La mutación G143A se detectó en el 82% de los aislados resistentes a QoI y la mutación E198A en el 97% de los aislados resistentes a carbendazim. No se detectaron mutaciones de resistencia aparentes en los genes que codifican para las subunidades B, C y D de la succinato deshidrogenasa. Mancozeb inhibió completamente el crecimiento micelial de los aislados evaluados a 100 µg mL-1. Todos los aislados argentinos de Cercospora fueron sensibles a los fungicidas DMI evaluados, pero se reporta por primera vez resistencia a los fungicidas QoI y MBC. Otro mecanismo(s) además de la modificación del sitio objeto de control del fungicida podrían ser responsable(s) de la resistencia de Cercospora a los fungicidas QoI y MBC. Además, debido a la reciente introducción de fungicidas SDHI en soja en Argentina, se especula que las especies de Cercospora que causan TH/MPS son insensibles (naturalmente resistentes) a este grupo de fungicidas. La insensibilidad debe confirmarse en condiciones de campo.

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Inheritance of and molecular markers for purple seed stain resistance in soybean

Cited by 9 publications

References 22 publications

Molecular Breeding to Overcome Biotic Stresses in Soybean: Update

Molecular Breeding to Overcome Biotic Stresses in Soybean: Update

Evaluation of soybean genotypes for reaction to natural field infection by Cercospora species causing purple seed stain

Sensibilidad y resistencia a fungicidas de <i>Cercospora kikuchii</i>, agente causal del tizón de la hoja y mancha púrpura de la semilla de la soja

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