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Early detection of Ascochyta blight (Ascochyta rabiei) of chickpea by traditional PCR
Valetti, Lucio; Cazon, Luis Ignacio; Crociara, Clara Sonia; Pastor, Silvina Estela (Elsevier, 2020-11-16)Ascochyta blight is the major disease affecting chickpea (Cicer arietinum) around the world. Since the first report of Ascochyta rabiei's isolation in Argentina in 2012, the pathogen has caused severe economic losses in ... -
Morphological and molecular characterization, pathogenicity and sexual reproduction of Ascochyta rabiei isolates of chickpea fields in Argentina
Crociara, Clara Sonia; Valetti, Lucio; Bernanrdi Lima, Nelson; Iglesias, Juliana; Pastor, Silvina (Wiley, 2022-01)Ascochyta blight is one of the most devastating foliar diseases of chickpea. The causal agent, Ascochyta rabiei, is a heterothallic ascomycete and its sexual reproduction depends on the proximate presence of both mating ... -
Mycoparasitic Trichoderma isolates as a biocontrol agent against Valsa ceratosperma, the causal agent of apple valsa canker
Valetti, Lucio; Bernanrdi Lima, Nelson; Cazon, Luis Ignacio; Crociara, Clara Sonia; Ortega, Leandro Ismael; Pastor, Silvina Estela (Springer, 2022-05-27)Apple valsa canker, caused by the fungus Valsa ceratosperma, is one of the most destructive diseases of this crop. Conventional fungicide treatments are not effective enough; therefore, it is necessary to develop alternatives ... -
Presence of both mating types of Ascochyta rabiei in Argentina suggests potential for sexual reproduction
Crociara, Clara Sonia; Valetti, Lucio; Pastor, Silvina Estela (Springer, 2020-11-15)The presence of both mating types was tested for in twelve isolates of Ascochyta rabiei in Argentina. A MATspecific PCR assay was performed. Nine of these isolates were identified as MAT1–1 and three of them MAT1–2. This ... -
Screening of chickpea germplasm for Ascochyta blight resistance under controlled environment
Pastor, Silvina Estela; Crociara, Clara Sonia; Valetti, Lucio; Peña Malavera, Andrea; Fekete, Ana Cecilia; Allende, María José; Carreras, Julia (Springer, 2022-01-13)Chickpea is the third most important grain legume in the world after common bean and pea. Ascochyta blight (AB) of chickpea, caused by Ascochyta rabiei, is the most damaging disease of this crop worldwide. Losses may reach ... -
Toward Accurate Detection: Protocol Adjustment for Ascochyta rabiei in Chickpea Seeds
Pastor, Silvina Estela; Perez, Alejandro; Valetti, Lucio; Crociara, Clara Sonia; Fernandez, Franco Daniel; Pugliese, Bruno Daniel; Rodriguez Pardina, Patricia; Rolhaiser, Ignacio Nahuel; Pinotti, Carlos Daniel (Wiley, 2025-11)This set of protocols was developed to detect Ascochyta rabiei, the fungus responsible for chickpea blight, in seeds. Given the significant impact of this disease and its potential to cause complete crop loss, even at low ... -
Trichoderma atroviride LR28 as a potential biocontrol agent against Thecaphora frezzii and inductor of biochemical responses in peanut
Paredes, Juan Andrés; Guzzo, María Carla; Bernanrdi Lima, Nelson; Pérez, A.; González, N.R.; Monguillot, Joaquín Humberto; Posada, Gisella Anabel; Monteoliva, Mariela Ines; Rago, Alejandro Mario; Valetti, Lucio (Elsevier, 2025-02-08)Peanut smut (caused by the pathogenic fungi Thecaphora frezzii) is one of the most relevant diseases regarding peanut (Arachis hypogaea L.) productivity in Argentina. Cultural strategies have not been successful in controlling ... -
Unlocking hidden sources of resistance to ascochyta blight in moderately resistant chickpea genotypes
Crociara, Clara Sonia; Valetti, Lucio; Castro, Patricia; Millán, Teresa; Iglesias, Juliana; Pastor, Silvina Estela (Springer, 2025-05-25)Ascochyta blight, caused by Ascochyta rabiei, is a major threat to global chickpea (Cicer arietinum L.) production, significantly reducing yield under favorable conditions. This study aimed to characterize the resistance ...