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Article

Relationships between Stalk Resistance and Corn Borers, Agronomic Traits, and Cell Wall Hydroxycinnamates in a Set of Recombinant Inbred Lines from a Maize MAGIC Population

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Facultad de Biología, Departamento de Biología Vegetal y Ciencias del Suelo, Universidad de Vigo, As Lagoas Marcosende, 36310 Vigo, Spain
2
Agrobiología Ambiental, Calidad de Suelos y Plantas (UVIGO), Unidad Asociada a la MBG (CSIC), 36310 Vigo, Spain
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Misión Biológica de Galicia (CSIC), Pazo de Salcedo, Carballeira 8, 36143 Pontevedra, Spain
4
National Institute of Forestry Agriculture and Livestock Research (INIFAP), Ave. Hidalgo 1213, Cd. Cuauhtémoc, Chihuahua 31500, Mexico
*
Author to whom correspondence should be addressed.
Academic Editor: Andrea Sciarretta
Agronomy 2021, 11(6), 1132; https://doi.org/10.3390/agronomy11061132
Received: 23 April 2021 / Revised: 27 May 2021 / Accepted: 28 May 2021 / Published: 2 June 2021
(This article belongs to the Special Issue Advances in Cell Wall Research of Crop Plants)
Corn borers are the most important pest affecting maize. Resistance to corn borer attack may compromise plant fitness being detrimental for some important agronomic traits such as yield. Against the attack of this pest, cell wall-bound hydroxycinnamates have been previously described as a possible defense mechanism. In this study, agronomic characterization and cell wall-bound hydroxycinnamates quantification was performed in a subset of Recombinant Inbred Lines (RILs) from a Multiparent Advanced Generation Intercross (MAGIC) population that showed contrasting behavior against corn borer attack. Resistant lines showed greater concentration of p-coumaric acid, the only hydroxycinnamate that could have a role in the resistance in these particular materials. In addition, results indicated that resistant lines showed precocity, low grain moisture at harvest, and reduced plant height, thus, selecting for resistance may be detrimental for yield. In this way, a breeding strategy directly targeting grain yield in order to tolerate corn borer attack would be the recommended one. View Full-Text
Keywords: corn borer; yield; cell wall hydroxycinnamates; RILs; agronomic performance; resistance corn borer; yield; cell wall hydroxycinnamates; RILs; agronomic performance; resistance
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MDPI and ACS Style

López-Malvar, A.; Reséndiz, Z.; Santiago, R.; Jiménez-Galindo, J.C.; Malvar, R.A. Relationships between Stalk Resistance and Corn Borers, Agronomic Traits, and Cell Wall Hydroxycinnamates in a Set of Recombinant Inbred Lines from a Maize MAGIC Population. Agronomy 2021, 11, 1132. https://doi.org/10.3390/agronomy11061132

AMA Style

López-Malvar A, Reséndiz Z, Santiago R, Jiménez-Galindo JC, Malvar RA. Relationships between Stalk Resistance and Corn Borers, Agronomic Traits, and Cell Wall Hydroxycinnamates in a Set of Recombinant Inbred Lines from a Maize MAGIC Population. Agronomy. 2021; 11(6):1132. https://doi.org/10.3390/agronomy11061132

Chicago/Turabian Style

López-Malvar, Ana, Zoila Reséndiz, Rogelio Santiago, José C. Jiménez-Galindo, and Rosa A. Malvar 2021. "Relationships between Stalk Resistance and Corn Borers, Agronomic Traits, and Cell Wall Hydroxycinnamates in a Set of Recombinant Inbred Lines from a Maize MAGIC Population" Agronomy 11, no. 6: 1132. https://doi.org/10.3390/agronomy11061132

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