Evaluation seedling biomass and its components as selection criteria for improving salt tolerance in Buffel grass genotypes
Damage produced by salt stress (300 m. m NaCl) under hydroponic greenhouse conditions in seedlings of eight Buffel grass (Cenchrus ciliaris L. Syn. Pennisetum ciliare Link) genotypes was estimated through different component characters of total fresh weight damage (DTFW). Coefficient of genetic dete...
| Autores: | , , , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2010 |
| País: | Argentina |
| Institución: | Consejo Nacional de Investigaciones Científicas y Técnicas |
| Repositorio: | CONICET Digital (CONICET) |
| Idioma: | inglés |
| OAI Identifier: | oai:ri.conicet.gov.ar:11336/188032 |
| Acceso en línea: | http://hdl.handle.net/11336/188032 |
| Access Level: | acceso abierto |
| Palabra clave: | BREEDING PROGRAMME CENCHRUS CILIARIS FORAGE PATH ANALYSIS SALT STRESS SELECTION CRITERIA https://purl.org/becyt/ford/4.5 https://purl.org/becyt/ford/4 |
| Sumario: | Damage produced by salt stress (300 m. m NaCl) under hydroponic greenhouse conditions in seedlings of eight Buffel grass (Cenchrus ciliaris L. Syn. Pennisetum ciliare Link) genotypes was estimated through different component characters of total fresh weight damage (DTFW). Coefficient of genetic determination (CGD) was estimated for each character as well as their direct and indirect contribution to damage to total fresh weight, considered as biomass production loss. Americana and Biloela were the most salt-tolerant cultivars, whereas sexual line and Texas 4464 were the genotypes most susceptible to salt stress. Damage to fresh weight of aerial part (DFWA) was the only component with a direct effect on DTFW and with a high CGD. Therefore, DFWA could be used in breeding programmes as an indirect selection criterion for tolerance and better productivity. |
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