Publicado

2023-01-15

Critical components and loss factors in inoculated and non-inoculated cowpea varieties grown in the Brazilian Amazon

Componentes críticos y factores de pérdida clave para tres variedades de caupí con y sin inoculación en la Amazonía brasileña

DOI:

https://doi.org/10.15446/acag.v71n1.88696

Palabras clave:

crop life tables, productivity, production losses, varieties, Vigna unguiculata (en)
pérdidas de producción, productividad, tablas de vida de los cultivos, variedades, Vigna unguiculata (es)

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The cowpea (Vigna unguiculata [L.] Walp) is of social and economic importance in developing countries. There are several factors that lead to low cowpea yields in tropical regions, such as pests and low technological development. This study aimed to identify and quantify losses in the critical component of production, and the key loss factors for three cowpea varieties (buttermilk, milk, and vinegar) grown in Santarém, Brazil, and inoculated or not with Bradyrhizobium japonicum. Crop life tables, loss factors, and production components of the three varieties were evaluated. Differences in yield and total losses were observed between varieties, but not between treatments with and without inoculant. In all three varieties, flowers were a critical component of production, and flower abortion was the key factor behind losses. Grain losses contributed significantly to total losses. The factors that contributed the most to grain component losses in all three varieties were malformation of grains and non-fertilisation of eggs. Inoculation increased losses through increased abortion of flowers in the buttermilk and milk varieties. Inoculation also increased damage caused to cowpea plants by cowpea weevils, Callosobruchus maculatus, in the buttermilk variety. Inoculation increased the total losses in the three varieties studied.

El caupí (Vigna unguiculata [L.] Walp) tiene una gran importancia social y económica en países en desarrollo. Existen numerosos factores que conducen a la baja productividad del caupí en las regiones tropicales, como el ataque de plagas y los bajos niveles tecnológicos. El objetivo de este estudio fue identificar y cuantificar las pérdidas en el componente crítico de la producción y los factores de pérdida clave para tres variedades de caupí (fríjol blanco, de leche o de vinagro) cultivadas en Santarém, Brasil e inoculadas y no inoculadas con Bradyrhizobium japonicum. Se evaluaron las tablas de vida de los cultivos, los factores de pérdida y los componentes de producción de las tres variedades. Se observaron diferencias en el rendimiento en la variedad fríjol blanco con respecto a las variedades fríjol de leche y de vinagre, pero no se observaron diferencias entre los tratamientos con y sin inoculante. Se observaron diferencias en las pérdidas totales entre las variedades, pero aparentemente no hubo ninguna pérdida entre los tratamientos con inoculante. En las tres variedades, la flor fue considerada un componente crítico de la producción, y el aborto de flores fue el factor fundamental de las pérdidas. Las pérdidas de granos contribuyeron significativamente a las pérdidas totales. Los factores que más contribuyeron a la pérdida del componente de grano para las tres variedades fueron la malformación de los granos y la no fecundación de los huevos. La inoculación afectó positivamente a las pérdidas debidas al aborto de las flores en las variedades fríjol blanco y fríjol de leche. La inoculación también influyó positivamente en el ataque de Callosobruchus maculatus sobre el fríjol blanco. La inoculación afectó positivamente las pérdidas totales en las tres variedades estudiadas.

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Cómo citar

APA

Barros, E. C. de, Reis, I. M. S., Sacramento, J. A. A. S. do, Taube, P. S., Feijão, I. C., Sousa, W. N. de y Brito, N. F. (2023). Critical components and loss factors in inoculated and non-inoculated cowpea varieties grown in the Brazilian Amazon. Acta Agronómica, 71(1), 55–63. https://doi.org/10.15446/acag.v71n1.88696

ACM

[1]
Barros, E.C. de, Reis, I.M.S., Sacramento, J.A.A.S. do, Taube, P.S., Feijão, I.C., Sousa, W.N. de y Brito, N.F. 2023. Critical components and loss factors in inoculated and non-inoculated cowpea varieties grown in the Brazilian Amazon. Acta Agronómica. 71, 1 (ene. 2023), 55–63. DOI:https://doi.org/10.15446/acag.v71n1.88696.

ACS

(1)
Barros, E. C. de; Reis, I. M. S.; Sacramento, J. A. A. S. do; Taube, P. S.; Feijão, I. C.; Sousa, W. N. de; Brito, N. F. Critical components and loss factors in inoculated and non-inoculated cowpea varieties grown in the Brazilian Amazon. Acta Agron. 2023, 71, 55-63.

ABNT

BARROS, E. C. de; REIS, I. M. S.; SACRAMENTO, J. A. A. S. do; TAUBE, P. S.; FEIJÃO, I. C.; SOUSA, W. N. de; BRITO, N. F. Critical components and loss factors in inoculated and non-inoculated cowpea varieties grown in the Brazilian Amazon. Acta Agronómica, [S. l.], v. 71, n. 1, p. 55–63, 2023. DOI: 10.15446/acag.v71n1.88696. Disponível em: https://revistas.unal.edu.co/index.php/acta_agronomica/article/view/88696. Acesso em: 22 jul. 2024.

Chicago

Barros, Emerson Cristi de, Iolanda Maria Soares Reis, José Augusto Amorim Silva do Sacramento, Paulo Sergio Taube, Igor Cardoso Feijão, Willian Nogueira de Sousa, y Nayane Fonseca Brito. 2023. «Critical components and loss factors in inoculated and non-inoculated cowpea varieties grown in the Brazilian Amazon». Acta Agronómica 71 (1):55-63. https://doi.org/10.15446/acag.v71n1.88696.

Harvard

Barros, E. C. de, Reis, I. M. S., Sacramento, J. A. A. S. do, Taube, P. S., Feijão, I. C., Sousa, W. N. de y Brito, N. F. (2023) «Critical components and loss factors in inoculated and non-inoculated cowpea varieties grown in the Brazilian Amazon», Acta Agronómica, 71(1), pp. 55–63. doi: 10.15446/acag.v71n1.88696.

IEEE

[1]
E. C. de Barros, «Critical components and loss factors in inoculated and non-inoculated cowpea varieties grown in the Brazilian Amazon», Acta Agron., vol. 71, n.º 1, pp. 55–63, ene. 2023.

MLA

Barros, E. C. de, I. M. S. Reis, J. A. A. S. do Sacramento, P. S. Taube, I. C. Feijão, W. N. de Sousa, y N. F. Brito. «Critical components and loss factors in inoculated and non-inoculated cowpea varieties grown in the Brazilian Amazon». Acta Agronómica, vol. 71, n.º 1, enero de 2023, pp. 55-63, doi:10.15446/acag.v71n1.88696.

Turabian

Barros, Emerson Cristi de, Iolanda Maria Soares Reis, José Augusto Amorim Silva do Sacramento, Paulo Sergio Taube, Igor Cardoso Feijão, Willian Nogueira de Sousa, y Nayane Fonseca Brito. «Critical components and loss factors in inoculated and non-inoculated cowpea varieties grown in the Brazilian Amazon». Acta Agronómica 71, no. 1 (enero 15, 2023): 55–63. Accedido julio 22, 2024. https://revistas.unal.edu.co/index.php/acta_agronomica/article/view/88696.

Vancouver

1.
Barros EC de, Reis IMS, Sacramento JAAS do, Taube PS, Feijão IC, Sousa WN de, Brito NF. Critical components and loss factors in inoculated and non-inoculated cowpea varieties grown in the Brazilian Amazon. Acta Agron. [Internet]. 15 de enero de 2023 [citado 22 de julio de 2024];71(1):55-63. Disponible en: https://revistas.unal.edu.co/index.php/acta_agronomica/article/view/88696

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