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Biblioteca(s): |
Embrapa Agropecuária Oeste. |
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Data corrente: |
28/01/2025 |
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Data da última atualização: |
28/01/2025 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ASMUS, G. L.; GALBIERI, R.; ARAÚJO, A. L. X. de; BELOT, J.-L. |
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Afiliação: |
GUILHERME LAFOURCADE ASMUS, CPAO; RAFAEL GALBIERI, INSTUTUTO MATO-GROSSENSSE DO ALGODÃO, PRIMAVERA DO LESTE, MT; ANDRÉ LUIZ XAVIER DE ARAUJO, UNIVERSIDADE FEDERAL DA GRANDE DOURADOS; JEAN-LOUIS BELOT, INSTUTO MATO-GROSSENSE DO ALGODÃO, PRIMAVERA DO LESTE, MT. |
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Título: |
Comparative Pathogenicity of Meloidogyne enterolobii and Meloidogyne incognita in Cotton Cultivars. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
The Journal of Cotton Science, v. 28, p. 184–195, 2024. |
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Idioma: |
Português |
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Conteúdo: |
Meloidogyne enterolobii (Me) is a nematode that has recently been observed in cotton. Ini- tial observations indicate that cotton cultivars resistant to Meloidogyne incognita (Mi) are susceptible to Me, but the reproductive capacity and ability to cause damage by Me compared to Mi is unknown. The objective of this study was to assess the reproductive capacity and ability to cause damage by Mi and Me at different popula- tion densities in two cotton cultivars. The study included two greenhouse experiments in which two cotton cultivars, resistant and susceptible to Mi, were inoculated with six increasing population densities of Me and Mi. The genetic resistance of cotton to Mi given by quantitative trait loci of the q-Mi11 and q-Mi14 genes is ineffective against Me. The Mi-resistant cotton cultivar showed a similar gall index to the Mi-susceptible cultivar when inoculated with Me. The mean gall index with Me was significantly higher than that with Mi on the Mi-resistant cotton cultivar. Based on the number of nematodes per root mass and the reproductive factor, Me showed a higher reproductive capac- ity than Mi on cotton. Increasing Me population densities linearly reduced the height and dry matter production of aboveground biomass in the Mi-resistant cotton cultivar. However, neither Meloidogyne species affected leaf chlorophyll con- tent and photosynthetic rate of the cotton plants. |
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Palavras-Chave: |
Nematologia; Patologia. |
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Categoria do assunto: |
A Sistemas de Cultivo |
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Marc: |
LEADER 01956naa a2200181 a 4500
001 2172041
005 2025-01-28
008 2024 bl uuuu u00u1 u #d
100 1 $aASMUS, G. L.
245 $aComparative Pathogenicity of Meloidogyne enterolobii and Meloidogyne incognita in Cotton Cultivars.$h[electronic resource]
260 $c2024
520 $aMeloidogyne enterolobii (Me) is a nematode that has recently been observed in cotton. Ini- tial observations indicate that cotton cultivars resistant to Meloidogyne incognita (Mi) are susceptible to Me, but the reproductive capacity and ability to cause damage by Me compared to Mi is unknown. The objective of this study was to assess the reproductive capacity and ability to cause damage by Mi and Me at different popula- tion densities in two cotton cultivars. The study included two greenhouse experiments in which two cotton cultivars, resistant and susceptible to Mi, were inoculated with six increasing population densities of Me and Mi. The genetic resistance of cotton to Mi given by quantitative trait loci of the q-Mi11 and q-Mi14 genes is ineffective against Me. The Mi-resistant cotton cultivar showed a similar gall index to the Mi-susceptible cultivar when inoculated with Me. The mean gall index with Me was significantly higher than that with Mi on the Mi-resistant cotton cultivar. Based on the number of nematodes per root mass and the reproductive factor, Me showed a higher reproductive capac- ity than Mi on cotton. Increasing Me population densities linearly reduced the height and dry matter production of aboveground biomass in the Mi-resistant cotton cultivar. However, neither Meloidogyne species affected leaf chlorophyll con- tent and photosynthetic rate of the cotton plants.
653 $aNematologia
653 $aPatologia
700 1 $aGALBIERI, R.
700 1 $aARAÚJO, A. L. X. de
700 1 $aBELOT, J.-L.
773 $tThe Journal of Cotton Science$gv. 28, p. 184–195, 2024.
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| 1. |  | SANTOS, M. da S.; BARROS, H. M. M.; LIMA, V. L. A. de; BELTRÃO, N. E. de M.; NASCIMENTO, F. A. do; TRAVASSOS, K. D.; BARACUHY M. NETO, G. Estimate of the area to foliate of you cultivate of sesame in function of the manuring and of the quality of the water of irrigation. In: CIGR - INTERNATIONAL CONFERENCE OF AGRICULTURAL ENGINEERING, 2.; CONGRESSO BRASILEIRO DE ENGENHARIA AGRÍCOLA, 37., 2008, Foz do Iguaçu. Technology for all: sharing the knowledge for development: proceedings... Foz do Iguaçu: SBEA, 2008. 1 CD-ROM| Tipo: Artigo em Anais de Congresso / Nota Técnica |
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