Prevalence of race 18 of Xanthomonas citri subsp. malvacearum on cotton in Brazil.
Cotton bacterial blight caused by Xanthomonas citri subsp. malvacearum (Xcm) is one of the most widely distributed and devastating diseases of cotton (Gossypium spp.) worldwide. Twelve Xcm races have been described in the world, with their relative prevalence varying by country. This study aimed to determine the current frequency and distribution of Xcm races in Brazil. Leaves showing cotton blight symptoms were collected from 12 cotton producing areas in the states of Bahia, Goiás, Mato Grosso and Mato Grosso do Sul. A total of 92 isolates were collected from surveyed areas. Race identification was performed by injection of bacterial suspensions into 10 differential cotton cultivars (Acala 44, Stoneville 2B-S9, Stoneville 20, Mebane B1, 1-10B, 101- 102B, Gregg 8, Empire B4, PDX P4 and S-295). All Xcm isolates were characterized as race 18, indicating this to be the prevalent race in Brazil.
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Format: | Artigo de periódico biblioteca |
Language: | English eng |
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2017-03-02
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Subjects: | Algodão, Gossypium hirsutum, Bactéria, Xanthomonas citri, Cotton, |
Online Access: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1065858 |
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dig-alice-doc-10658582017-08-16T04:15:37Z Prevalence of race 18 of Xanthomonas citri subsp. malvacearum on cotton in Brazil. BRAGA, W. de S. CUNHA, R. W. S. da SUASSUNA, N. D. COUTINHO, W. M. WALESKA de SOUSA BEAGA; RAYSSA WADJA SILVEIRA da CUNHA; NELSON DIAS SUASSUNA, CNPA; WIRTON MACEDO COUTINHO, CNPA. Algodão Gossypium hirsutum Bactéria Xanthomonas citri Cotton Cotton bacterial blight caused by Xanthomonas citri subsp. malvacearum (Xcm) is one of the most widely distributed and devastating diseases of cotton (Gossypium spp.) worldwide. Twelve Xcm races have been described in the world, with their relative prevalence varying by country. This study aimed to determine the current frequency and distribution of Xcm races in Brazil. Leaves showing cotton blight symptoms were collected from 12 cotton producing areas in the states of Bahia, Goiás, Mato Grosso and Mato Grosso do Sul. A total of 92 isolates were collected from surveyed areas. Race identification was performed by injection of bacterial suspensions into 10 differential cotton cultivars (Acala 44, Stoneville 2B-S9, Stoneville 20, Mebane B1, 1-10B, 101- 102B, Gregg 8, Empire B4, PDX P4 and S-295). All Xcm isolates were characterized as race 18, indicating this to be the prevalent race in Brazil. 2017-03-03T00:03:28Z 2017-03-03T00:03:28Z 2017-03-02 2016 2017-03-03T00:03:28Z Artigo de periódico Tropical Plant Pathology, v. 41, p. 128-131, 2016. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1065858 en eng openAccess |
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Algodão Gossypium hirsutum Bactéria Xanthomonas citri Cotton Algodão Gossypium hirsutum Bactéria Xanthomonas citri Cotton |
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Algodão Gossypium hirsutum Bactéria Xanthomonas citri Cotton Algodão Gossypium hirsutum Bactéria Xanthomonas citri Cotton BRAGA, W. de S. CUNHA, R. W. S. da SUASSUNA, N. D. COUTINHO, W. M. Prevalence of race 18 of Xanthomonas citri subsp. malvacearum on cotton in Brazil. |
description |
Cotton bacterial blight caused by Xanthomonas citri subsp. malvacearum (Xcm) is one of the most widely distributed and devastating diseases of cotton (Gossypium spp.) worldwide. Twelve Xcm races have been described in the world, with their relative prevalence varying by country. This study aimed to determine the current frequency and distribution of Xcm races in Brazil. Leaves showing cotton blight symptoms were collected from 12 cotton producing areas in the states of Bahia, Goiás, Mato Grosso and Mato Grosso do Sul. A total of 92 isolates were collected from surveyed areas. Race identification was performed by injection of bacterial suspensions into 10 differential cotton cultivars (Acala 44, Stoneville 2B-S9, Stoneville 20, Mebane B1, 1-10B, 101- 102B, Gregg 8, Empire B4, PDX P4 and S-295). All Xcm isolates were characterized as race 18, indicating this to be the prevalent race in Brazil. |
author2 |
WALESKA de SOUSA BEAGA; RAYSSA WADJA SILVEIRA da CUNHA; NELSON DIAS SUASSUNA, CNPA; WIRTON MACEDO COUTINHO, CNPA. |
author_facet |
WALESKA de SOUSA BEAGA; RAYSSA WADJA SILVEIRA da CUNHA; NELSON DIAS SUASSUNA, CNPA; WIRTON MACEDO COUTINHO, CNPA. BRAGA, W. de S. CUNHA, R. W. S. da SUASSUNA, N. D. COUTINHO, W. M. |
format |
Artigo de periódico |
topic_facet |
Algodão Gossypium hirsutum Bactéria Xanthomonas citri Cotton |
author |
BRAGA, W. de S. CUNHA, R. W. S. da SUASSUNA, N. D. COUTINHO, W. M. |
author_sort |
BRAGA, W. de S. |
title |
Prevalence of race 18 of Xanthomonas citri subsp. malvacearum on cotton in Brazil. |
title_short |
Prevalence of race 18 of Xanthomonas citri subsp. malvacearum on cotton in Brazil. |
title_full |
Prevalence of race 18 of Xanthomonas citri subsp. malvacearum on cotton in Brazil. |
title_fullStr |
Prevalence of race 18 of Xanthomonas citri subsp. malvacearum on cotton in Brazil. |
title_full_unstemmed |
Prevalence of race 18 of Xanthomonas citri subsp. malvacearum on cotton in Brazil. |
title_sort |
prevalence of race 18 of xanthomonas citri subsp. malvacearum on cotton in brazil. |
publishDate |
2017-03-02 |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1065858 |
work_keys_str_mv |
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_version_ |
1756023290718060544 |