Meloidogyne exigua (Meloidogynidae) in rubber tree clones at different times of the year
Meloidogyne exigua Goeldi (Nematoda: Tylenchida: Meloidogynidae), has become important for rubber tree plantations, so the objective of this work was to monitor its infestation in rubber tree plantations and later to perform the spatial distribution of the population in the roots of clones GT 1 and RRIM 600 , without identification of the rootstock, in two seasons of 2013. The experiment was located in the municipality of Itiquira, MT, at the geographic coordinates of 17o17'40,29 "and 17o26'17,73" south latitude and 54o44'28 , 6 "and 54o44'43.55" west longitude. In May, 264 samples were collected and in November 227 samples were collected in the total area of 6,646 hectares planted with 22 clones, used for interpolation by the kriging method. For the two clones evaluated were 55 points in May (clone GT 1 = 29 and RRIM 600 = 26 samples) and 52 samples in November (clone GT 1 = 27 and RRIM 600 = 25 samples), in a total area of 2,409 hectares. With a GNSS device, each sampling point was identified, and roots of the rubber tree were collected at 0.10 m depth. For the root analysis, the methodology of Coolen and D'Herde (1972) was used. Infestations in May, in both clones, were higher than in November. The Spatial Dependency Index (FDI) for May and November 2013 were moderate.
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Meloidogyne exigua Goeldi (Nematoda: Tylenchida: Meloidogynidae), has become important for rubber tree plantations, so the objective of this work was to monitor its infestation in rubber tree plantations and later to perform the spatial distribution of the population in the roots of clones GT 1 and RRIM 600 , without identification of the rootstock, in two seasons of 2013. The experiment was located in the municipality of Itiquira, MT, at the geographic coordinates of 17o17'40,29 "and 17o26'17,73" south latitude and 54o44'28 , 6 "and 54o44'43.55" west longitude. In May, 264 samples were collected and in November 227 samples were collected in the total area of 6,646 hectares planted with 22 clones, used for interpolation by the kriging method. For the two clones evaluated were 55 points in May (clone GT 1 = 29 and RRIM 600 = 26 samples) and 52 samples in November (clone GT 1 = 27 and RRIM 600 = 25 samples), in a total area of 2,409 hectares. With a GNSS device, each sampling point was identified, and roots of the rubber tree were collected at 0.10 m depth. For the root analysis, the methodology of Coolen and D'Herde (1972) was used. Infestations in May, in both clones, were higher than in November. The Spatial Dependency Index (FDI) for May and November 2013 were moderate. |
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info:eu-repo/semantics/article |
| author |
Pezzoni Filho, José Carlos Brida, Andressa Lima de Moraes, Diego Augusto de Campos Zimback, Célia Regina Lopes Wilcken, Silvia Renata Siciliano Furtado, Edson Luiz |
| spellingShingle |
Pezzoni Filho, José Carlos Brida, Andressa Lima de Moraes, Diego Augusto de Campos Zimback, Célia Regina Lopes Wilcken, Silvia Renata Siciliano Furtado, Edson Luiz Meloidogyne exigua (Meloidogynidae) in rubber tree clones at different times of the year |
| author_facet |
Pezzoni Filho, José Carlos Brida, Andressa Lima de Moraes, Diego Augusto de Campos Zimback, Célia Regina Lopes Wilcken, Silvia Renata Siciliano Furtado, Edson Luiz |
| author_sort |
Pezzoni Filho, José Carlos |
| title |
Meloidogyne exigua (Meloidogynidae) in rubber tree clones at different times of the year |
| title_short |
Meloidogyne exigua (Meloidogynidae) in rubber tree clones at different times of the year |
| title_full |
Meloidogyne exigua (Meloidogynidae) in rubber tree clones at different times of the year |
| title_fullStr |
Meloidogyne exigua (Meloidogynidae) in rubber tree clones at different times of the year |
| title_full_unstemmed |
Meloidogyne exigua (Meloidogynidae) in rubber tree clones at different times of the year |
| title_sort |
meloidogyne exigua (meloidogynidae) in rubber tree clones at different times of the year |
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Corporación Colombiana de Investigación Agropecuaria (Agrosavia) |
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http://revista.corpoica.org.co/index.php/revista/article/view/566 http://hdl.handle.net/20.500.12324/34014 |
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dig-bac-20.500.12324-340142020-07-08T21:25:46Z Meloidogyne exigua (Meloidogynidae) in rubber tree clones at different times of the year Meloidogyne exigua (Meloidogynidae) em clones de seringueira em duas épocas do ano Meloidogyne exigua (Meloidogynidae) em clones de seringueira em diferentes épocas do ano Pezzoni Filho, José Carlos Brida, Andressa Lima de Moraes, Diego Augusto de Campos Zimback, Célia Regina Lopes Wilcken, Silvia Renata Siciliano Furtado, Edson Luiz Meloidogyne exigua Goeldi (Nematoda: Tylenchida: Meloidogynidae), has become important for rubber tree plantations, so the objective of this work was to monitor its infestation in rubber tree plantations and later to perform the spatial distribution of the population in the roots of clones GT 1 and RRIM 600 , without identification of the rootstock, in two seasons of 2013. The experiment was located in the municipality of Itiquira, MT, at the geographic coordinates of 17o17'40,29 "and 17o26'17,73" south latitude and 54o44'28 , 6 "and 54o44'43.55" west longitude. In May, 264 samples were collected and in November 227 samples were collected in the total area of 6,646 hectares planted with 22 clones, used for interpolation by the kriging method. For the two clones evaluated were 55 points in May (clone GT 1 = 29 and RRIM 600 = 26 samples) and 52 samples in November (clone GT 1 = 27 and RRIM 600 = 25 samples), in a total area of 2,409 hectares. With a GNSS device, each sampling point was identified, and roots of the rubber tree were collected at 0.10 m depth. For the root analysis, the methodology of Coolen and D'Herde (1972) was used. Infestations in May, in both clones, were higher than in November. The Spatial Dependency Index (FDI) for May and November 2013 were moderate. El objetivo de este trabajo fue monitorear su infestación en plantío de seringueira y posteriormente realizar la distribución espacial de la población en las raíces de los clones GT 1 y RRIM 600, , sin identificación del porta-injerto, en dos épocas de 2013. El experimento se ubicó en el municipio de Itiquira, MT, en las coordenadas geográficas de 17o17'40,29 "y 17o26'17,73" de latitud sur y 54o44'28 , 6 "y 54o44'43,55" de longitud oeste. En mayo se recogieron 264 muestras y en noviembre se recogieron 227 muestras en el área total de 6.646 hectáreas plantadas con 22 clones, utilizados para la interpolación por el método del krigado. Para los dos clones evaluados fueron 55 puntos en mayo (clone GT 1 = 29 y RRIM 600 = 26 muestreos) y 52 muestras en noviembre (clone GT 1 = 27 y RRIM 600 = 25 muestreos), en área total de 2.409 hectáreas. Con un aparato GNSS se identificó cada punto muestral, recogiendo raíces de la caucho a 0,10 m de profundidad. Para el análisis de las raíces se utilizó metodología de Coolen y D'Herde (1972). Las infestaciones en mayo, en los dos clones, fueron mayores que en noviembre. El Índice de Dependencia Espacial (IDE) de mayo y noviembre de 2013 fue moderado. Meloidogyne exigua Goeldi (Nematoda: Tylenchida: Meloidogynidae), tem se tornado importante para plantios de seringueira, assim o objetivo deste trabalho foi monitorar sua infestação em plantio de seringueira e posteriormente realizar a distribuição espacial da população nas raízes dos clones GT 1 e RRIM 600, sem identificação do porta-enxerto, em duas épocas de 2013. O experimento localizou-se no município de Itiquira, MT, nas coordenadas geográficas de 17o17'40,29″ e 17o26'17,73″ de latitude sul e 54o44'28,6″ e 54o44’43,55″ de longitude oeste. Em maio foram coletadas 264 amostras e em novembro coletou-se 227 amostras na área total de 6.646 hectares plantados com 22 clones, utilizados para a interpolação pelo método da krigagem. Para os dois clones avaliados foram 55 pontos em maio (clone GT 1 = 29 e RRIM 600 = 26 amostragens) e 52 amostras em novembro (clone GT 1 = 27 e RRIM 600 = 25 amostragens), em área total de 2.409 hectares. Com um aparelho GNSS foi identificado cada ponto amostral, coletando-se raízes da seringueira a 0,10 m de profundidade. Para a análise das raízes utilizou-se metodologia de Coolen e D’Herde (1972). As infestações em maio, nos dois clones, foram maiores do que em novembro. O Índice de Dependência Espacial (IDE) de maio e novembro de 2013 foram moderados. Lechuga Piña Platano Repollo Uva 2018 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://revista.corpoica.org.co/index.php/revista/article/view/566 10.21930/rcta.vol19_num3_art:566 http://hdl.handle.net/20.500.12324/34014 reponame:Biblioteca Digital Agropecuaria de Colombia repourl:https://repository.agrosavia.co instname:Corporación colombiana de investigación agropecuaria AGROSAVIA spa eng http://revista.corpoica.org.co/index.php/revista/article/view/566/549 http://revista.corpoica.org.co/index.php/revista/article/view/566/556 Derechos de autor 2018 Corpoica Ciencia y Tecnología Agropecuaria https://creativecommons.org/licenses/by-nc-sa/4.0/deed.es application/pdf application/pdf Colombia Corporación Colombiana de Investigación Agropecuaria (Agrosavia) Ciencia y Tecnología Agropecuaria; Vol 19 No 3 (2018) Ciencia y Tecnología Agropecuaria; Vol. 19 Núm. 3 (2018) revista Corpoica Ciência e Tecnologia Agropecuária; v. 19 n. 3 (2018) 2500-5308 0122-8706 10.21930/rcta.vol19-num3 |