Inheritance of cowpea resistance to Cowpea aphid-borne mosaic virus

Inheritance of cowpea resistance to Cowpea aphid-borne mosaic virus

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The objective of this work was to evaluate the inheritance of resistance to Cowpea aphid-borne mosaic virus (CABMV) in cowpea (Vigna unguiculata). The study was performed between parental genotypes IT85F-2687 (resistant) and 'BR-14 Mulato' (susceptible), generating F1, F2, and F7 populations and backcrosses with both parental genotypes. CABMV was inoculated on plants from all generations, which were then evaluated through visual inspection and description of characteristic symptoms. A chi-square test was performed after the phenotypic classification of all plants. A segregation proportion of 1:3 (resistant:susceptible) in population F2 and of 1:1 in population F7 was accepted, showing a recessive monogenic inheritance.

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Main Authors: Silva, Jeferson Araújo, Costa, Antonio Félix da, Benko-Iseppon, Ana Maria, Guimarães, Lílian Margarete Paes, Leitão, Diego Arruda Huggins de Sá, Nicoli, Alessandro
Format: Digital revista
Language:eng
Published: Pesquisa Agropecuaria Brasileira 2021
Online Access:https://seer.sct.embrapa.br/index.php/pab/article/view/26886
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spelling rev-pab-br-article-268862022-05-18T18:27:35Z Inheritance of cowpea resistance to Cowpea aphid-borne mosaic virus Herança de resistência do feijão-caupi ao Cowpea aphid-borne mosaic virus Silva, Jeferson Araújo Costa, Antonio Félix da Benko-Iseppon, Ana Maria Guimarães, Lílian Margarete Paes Leitão, Diego Arruda Huggins de Sá Nicoli, Alessandro Vigna unguiculata; CABMV; genetic control Vigna unguiculata; CABMV; controle genético The objective of this work was to evaluate the inheritance of resistance to Cowpea aphid-borne mosaic virus (CABMV) in cowpea (Vigna unguiculata). The study was performed between parental genotypes IT85F-2687 (resistant) and 'BR-14 Mulato' (susceptible), generating F1, F2, and F7 populations and backcrosses with both parental genotypes. CABMV was inoculated on plants from all generations, which were then evaluated through visual inspection and description of characteristic symptoms. A chi-square test was performed after the phenotypic classification of all plants. A segregation proportion of 1:3 (resistant:susceptible) in population F2 and of 1:1 in population F7 was accepted, showing a recessive monogenic inheritance. O objetivo deste trabalho foi avaliar a herança de resistência ao Cowpea aphid-borne mosaic virus (CABMV) em feijão-caupi (Vigna unguiculata). O estudo foi realizado entre os genótipos parentais IT85F-2687 (resistente) e 'BR-14 Mulato' (suscetível), tendo-se obtido populações F1, F2 e F7 e retrocruzamentos com ambos os genótipos parentais. O CABMV foi inoculado nas plantas de todas as gerações, que foram, então, avaliadas por inspeção visual e pela descrição dos sintomas característicos. O teste do qui‑quadrado foi aplicado após a classificação fenotípica de todas as plantas. Uma proporção de segregação de 1:3 (resistente:suscetível) na população F2 e de 1:1 na população F7 foi aceita, tendo indicado herança monogênica recessiva. Pesquisa Agropecuaria Brasileira Pesquisa Agropecuária Brasileira Instituto Agronômico de Pernambuco Instituto Agronômico de Pernambuco 2021-02-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://seer.sct.embrapa.br/index.php/pab/article/view/26886 Pesquisa Agropecuaria Brasileira; V.56, Jan./Dec., 2021: Publicação contínua em volume anual; e02109 Pesquisa Agropecuária Brasileira; V.56, Jan./Dec., 2021: Publicação contínua em volume anual; e02109 1678-3921 0100-104x eng https://seer.sct.embrapa.br/index.php/pab/article/view/26886/14845 Direitos autorais 2021 Pesquisa Agropecuária Brasileira
institution EMBRAPA
collection OJS
country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-pab-br
tag revista
region America del Sur
libraryname Sistema de bibliotecas de EMBRAPA
language eng
format Digital
author Silva, Jeferson Araújo
Costa, Antonio Félix da
Benko-Iseppon, Ana Maria
Guimarães, Lílian Margarete Paes
Leitão, Diego Arruda Huggins de Sá
Nicoli, Alessandro
spellingShingle Silva, Jeferson Araújo
Costa, Antonio Félix da
Benko-Iseppon, Ana Maria
Guimarães, Lílian Margarete Paes
Leitão, Diego Arruda Huggins de Sá
Nicoli, Alessandro
Inheritance of cowpea resistance to Cowpea aphid-borne mosaic virus
author_facet Silva, Jeferson Araújo
Costa, Antonio Félix da
Benko-Iseppon, Ana Maria
Guimarães, Lílian Margarete Paes
Leitão, Diego Arruda Huggins de Sá
Nicoli, Alessandro
author_sort Silva, Jeferson Araújo
title Inheritance of cowpea resistance to Cowpea aphid-borne mosaic virus
title_short Inheritance of cowpea resistance to Cowpea aphid-borne mosaic virus
title_full Inheritance of cowpea resistance to Cowpea aphid-borne mosaic virus
title_fullStr Inheritance of cowpea resistance to Cowpea aphid-borne mosaic virus
title_full_unstemmed Inheritance of cowpea resistance to Cowpea aphid-borne mosaic virus
title_sort inheritance of cowpea resistance to cowpea aphid-borne mosaic virus
description The objective of this work was to evaluate the inheritance of resistance to Cowpea aphid-borne mosaic virus (CABMV) in cowpea (Vigna unguiculata). The study was performed between parental genotypes IT85F-2687 (resistant) and 'BR-14 Mulato' (susceptible), generating F1, F2, and F7 populations and backcrosses with both parental genotypes. CABMV was inoculated on plants from all generations, which were then evaluated through visual inspection and description of characteristic symptoms. A chi-square test was performed after the phenotypic classification of all plants. A segregation proportion of 1:3 (resistant:susceptible) in population F2 and of 1:1 in population F7 was accepted, showing a recessive monogenic inheritance.
publisher Pesquisa Agropecuaria Brasileira
publishDate 2021
url https://seer.sct.embrapa.br/index.php/pab/article/view/26886
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