Oat, Wheat, and Sorghum Genotype Reactions to Meloidogyne incognita and Meloidogyne javanica

Meloidogyne spp. are the most economically important species of plant-pathogenic nematodes. Plant resistance and crop rotation are the main nematode management methods. Thus, the objective was to evaluate the resistance of seven wheat genotypes, five oat genotypes, ten sorghum hybrids, and three sor...

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Veröffentlicht in:Journal of nematology. - 1969. - 49(2017), 4 vom: 01. Dez., Seite 386-389
1. Verfasser: de Brida, Andressa Lima (VerfasserIn)
Weitere Verfasser: Correia, Érika Cristina Souza da Silva, Castro, Bárbara Monteiro de Castro E, Zanuncio, José Cola, Wilcken, Sílvia Renata Siciliano
Format: Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article crop rotation management resistance root-knot nematodes
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520 |a Meloidogyne spp. are the most economically important species of plant-pathogenic nematodes. Plant resistance and crop rotation are the main nematode management methods. Thus, the objective was to evaluate the resistance of seven wheat genotypes, five oat genotypes, ten sorghum hybrids, and three sorghum-sudangrass genotypes to Meloidogyne incognita and Meloidogyne javanica. The crops were sowed in pots with an autoclaved substrate. A single plant/pot was left after thinning. The soil was infested with 5,000 eggs of the studied nematodes. Tomato (cv. Rutgers) plants were used as the standard for nematode susceptibility. The evaluations were conducted 60 d after inoculation. Gall and egg-mass indexes were obtained according to a 0-5 scale. Plants with a reproduction factor higher than 1.0 were classified as susceptible (S) and lower than 1.0 as resistant (R). Wheat and oat genotypes did not allow M. incognita and M. javanica reproduction, proving resistance to these organisms. Sorghum genotypes had different reactions to M. incognita and M. javanica. The tomato (cv. Rutgers) plants demonstrated the viability of the nematode inoculum for the three crops. The wheat and oat genotypes and the sorghum hybrids 'BRS-610', 'BRS-800', and '307.343' can be used in crop rotation systems for M. incognita and M. javanica management 
650 4 |a Journal Article 
650 4 |a crop rotation 
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650 4 |a root-knot nematodes 
700 1 |a Correia, Érika Cristina Souza da Silva  |e verfasserin  |4 aut 
700 1 |a Castro, Bárbara Monteiro de Castro E  |e verfasserin  |4 aut 
700 1 |a Zanuncio, José Cola  |e verfasserin  |4 aut 
700 1 |a Wilcken, Sílvia Renata Siciliano  |e verfasserin  |4 aut 
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