| Journal: | Acta scientiarum. Agronomy |
| Database: | PERIÓDICA |
| System number: | 000459936 |
| ISSN: | 1679-9275 |
| Authors: | Silva, Carlos Augusto da1 Faria, Marcos Ventura1 Paiva, Elida Auxiliadora Peralta1 Zaluski, Welton Luiz1 Gava, Emanuel1 Marck, Diego Fernando De1 Mendes, Marcelo Cruz1 Neumann, Mikael2 |
| Institutions: | 1Universidade Estadual do Centro-Oeste, Departamento de Agronomia, Guarapuava, Parana. Brasil 2Universidade Estadual do Centro-Oeste, Departamento de Medicina Veterinaria, Guarapuava, Parana. Brasil |
| Year: | 2021 |
| Volumen: | 43 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Experimental, analítico |
| English abstract | Maize forage is commonly used as silage in milk and beef cattle livestock production systems. Despite the wide variety of maize hybrids with high potential for grain production, few available hybrids have been developed exclusively for forage aptitude. The present study aimed to select S3 maize progenies derived from the single hybrid AS1572 based on the combining ability of forage traits in topcrosses with testers AG8025, 70.H26.1, and MLP102. The 135 resulting topcross hybrids were assessed in partial diallel in Guarapuava and Rio Bonito do Iguaçu, Paraná State, Brazil. Were evaluated the contents of neutral detergent fiber (NDF, %DM) and acid detergent fiber (ADF, %DM), forage dry matter yield (DMY, t ha-1), and in situ digestibility of forage dry matter (DIG, %DM). For all evaluated traits, the variability allowed us to select superior progenies. Progenies 3.1, 22.1, and 39.1stood out in terms of NDF, ADF, and DIG, whereas progenies 47.1, 73.1, 79.1, and 90.2 were efficient in increasing the forage dry matter yield. The testers AG8025 and 70.H26.1, of narrow genetic base, are the best to explore genetic variability among progenies |
| Disciplines: | Agrociencias, Biología, Matemáticas |
| Keyword: | Gramíneas, Genética, Matemáticas aplicadas, Maíz, Zea mays, Aptitud combinatoria, Digestibilidad |
| Keyword: | Gramineae, Genetics, Applied mathematics, Corn, Zea mays, Combining ability, Digestibility |
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