Selection of interspecific Psidium spp. hybrids resistant to Meloidogyne enterolobii



Título del documento: Selection of interspecific Psidium spp. hybrids resistant to Meloidogyne enterolobii
Revista: Acta scientiarum. Agronomy
Base de datos: PERIÓDICA
Número de sistema: 000460105
ISSN: 1679-9275
Autors: 1
2
1
1
1
Institucions: 1Universidade Estadual do Norte Fluminense, Rio de Janeiro. Brasil
2Instituto Federal de Educacao Ciencia e Tecnologia, Campos dos Goytacazes, Rio de Janeiro. Brasil
Any:
Volum: 41
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Experimental, analítico
Resumen en inglés Since 2001, the disease known as 'guava decline', resulting from the interaction between the phytonematode Meloidogyne enterolobii and the fungus Fusarium solanie, has caused direct and indirect economic losses to the entire guava production chain. Given the lack of sources of resistance in guava genotypes, interspecific hybrids of Psidium spp. were obtained for resistance to the nematode M. enterolobii. To classify the level of resistance of the interspecific hybrids, we evaluated the plant classification methodologies proposed by Oostenbrink (1966) and Moura and Régis (1987). Estimates of genetic parameters were obtained using the REML/BLUP approach. Interspecific hybrids resistant to M. enterolobii were selected that can be used as rootstocks or in new crosses for the development of the guava breeding program
Disciplines Agrociencias,
Biología
Paraules clau: Frutales,
Fitopatología,
Helmintos,
Nemátodos,
Psidium guajava,
Meloidogyne enterolobii,
Modelos mixtos,
Híbridos,
Genotipos,
Resistencia a enfermedades,
Psidium,
Psidium guajava,
Guayaba,
Meloidogyne enterolobii
Keyword: Fruit trees,
Phytopathology,
Helminths,
Nematodes,
Mixed models,
Genotypes,
Disease resistance,
Psidium guajava,
Guava
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