Effect of nitrogen and potassium on gaseous exchange and biomass distribution in basil (Ocimum basillicum L.)
Basil is considered a promising plant of recent exploitation in Colombia, but among the limitations for its expansion, counts the implementation of a nutrition plan with the application of nitrogen and potassium, which result in increased and sustainable production. The objective was to evaluate the...
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Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC
2018
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| author | Combatt C., Enrique Pérez P., Dario Javier Jarma-Orozco, Alfredo |
| author_facet | Combatt C., Enrique Pérez P., Dario Javier Jarma-Orozco, Alfredo |
| author_sort | Combatt C., Enrique |
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| description | Basil is considered a promising plant of recent exploitation in Colombia, but among the limitations for its expansion, counts the implementation of a nutrition plan with the application of nitrogen and potassium, which result in increased and sustainable production. The objective was to evaluate the effect of nitrogen and potassium on the gaseous exchange variables and biomass gain and harvest index (HF) of a basil crop, hybrid Nufar F. This research was carried out under greenhouse conditions in the Faculty of Agricultural Sciences of the University of Córdoba, Colombia. In order to optimize the response variables, a Box Bernard matrix was used, increased to 3 (2k + 2k + 2k + 1 + 1) to obtain the combinations of nitrogen and potassium necessary for this research. Among the gaseous exchange variables evaluated were: the rate of photosynthesis, the stomatal conductance and the internal CO2 concentration. As for the biomass, the dry mass of the roots, stem, and leaves and the harvest index were evaluated. The most relevant results indicated that the maximum rate of photosynthesis (17.3 μmol CO2 m-2 s-1) was observed when applying 190 kg ha-1 N and 12.5 kg ha-1 K, while the stomatal conductance was higher (65.13 mmol CO2 m-2 s-1) with the same dose of N but with doses of 237.5 kg ha-1 of K. The highest value of the dry mass of the roots, stem and leaves was found with the maximum dose of N (190 kg ha-1) although, for potassium, the combinations that promoted the highest accumulation of biomass were differential for the roots, stem and leaves (180.69, 237.5 and 12.5 kg ha-1, respectively). |
| format | Online |
| id | oai:oai.revistas.uptc.edu.co:article-7871 |
| institution | Revista Colombiana de Ciencias Hortícolas |
| language | spa |
| publishDate | 2018 |
| publisher | Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC |
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| spelling | oai:oai.revistas.uptc.edu.co:article-78712020-08-03T23:56:40Z Effect of nitrogen and potassium on gaseous exchange and biomass distribution in basil (Ocimum basillicum L.) Efecto del nitrógeno y el potasio sobre el intercambio gaseoso y la distribución de biomasa en albahaca (Ocimum basillicum L.) Combatt C., Enrique Pérez P., Dario Javier Jarma-Orozco, Alfredo Mineral nutrition medicinal plants physiological variables dry mass. SB183-317 S631-667 Nutrición mineral plantas medicinales variables fisiológicas masa seca. SB183-317 S631-667 Basil is considered a promising plant of recent exploitation in Colombia, but among the limitations for its expansion, counts the implementation of a nutrition plan with the application of nitrogen and potassium, which result in increased and sustainable production. The objective was to evaluate the effect of nitrogen and potassium on the gaseous exchange variables and biomass gain and harvest index (HF) of a basil crop, hybrid Nufar F. This research was carried out under greenhouse conditions in the Faculty of Agricultural Sciences of the University of Córdoba, Colombia. In order to optimize the response variables, a Box Bernard matrix was used, increased to 3 (2k + 2k + 2k + 1 + 1) to obtain the combinations of nitrogen and potassium necessary for this research. Among the gaseous exchange variables evaluated were: the rate of photosynthesis, the stomatal conductance and the internal CO2 concentration. As for the biomass, the dry mass of the roots, stem, and leaves and the harvest index were evaluated. The most relevant results indicated that the maximum rate of photosynthesis (17.3 μmol CO2 m-2 s-1) was observed when applying 190 kg ha-1 N and 12.5 kg ha-1 K, while the stomatal conductance was higher (65.13 mmol CO2 m-2 s-1) with the same dose of N but with doses of 237.5 kg ha-1 of K. The highest value of the dry mass of the roots, stem and leaves was found with the maximum dose of N (190 kg ha-1) although, for potassium, the combinations that promoted the highest accumulation of biomass were differential for the roots, stem and leaves (180.69, 237.5 and 12.5 kg ha-1, respectively). La albahaca es considerada una planta promisoria de reciente explotación en Colombia, pero entre las limitaciones para su expansión, se encuentra la implementación de un plan de nutrición con la aplicación de nitrógeno y potasio, que permita el incremento y sostenibilidad de la producción. El objetivo del trabajo fue determinar el efecto de la fertilización con nitrógeno y potasio sobre variables de intercambio gaseoso, ganancia de biomasa e índice de cosecha (IC) de la albahaca (Ocimum basillicum L.) cv. Nufar F1. La investigación fue realizada en condiciones de umbráculo en la Facultad de Ciencias Agrícolas de la Universidad de Córdoba, Colombia. Se utilizó una matriz Box-Berard aumentada 3 (2k+2k+2k+1+1), para la obtención de combinaciones de nitrógeno y potasio. Las respuestas de intercambio gaseoso evaluadas fueron: tasa de fotosíntesis, conductancia estomática y concentración interna de CO2. En cuanto a biomasa, se evaluó masa seca de raíz, tallo, hoja e índice de cosecha. Los resultados más relevantes indicaron que las máximas tasas de fotosíntesis (17,3 μmol CO2 m-2 s-1) fue observada aplicando 190 kg ha-1 N y 12,5 kg ha-1 K, en tanto que la conductancia estomática fue mayor (65,13 mmol CO2 m-2 s-1), con la misma dosis de N pero con dosis de K de 237,5 kg ha-1. Los valores más altos de masa seca de raíces, tallos y hojas fueron encontradas con las máximas dosis de N (190 kg ha-1), aunque para el potasio las combinaciones que incrementaron la mayor acumulación de biomasa en raíces, tallos y hojas fueron 180,69; 237,5 y 12,5 kg ha-1, respectivamente. Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC 2018-05-02 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Experimental Experimental application/pdf application/zip application/zip https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/7871 10.17584/rcch.2018v12i1.7871 Revista Colombiana de Ciencias Hortícolas; Vol. 12 No. 1 (2018); 192-201 Revista Colombiana de Ciencias Hortícolas; Vol. 12 Núm. 1 (2018); 192-201 Revista Colombiana de Ciencias Hortícolas; Vol. 12 No 1 (2018); 192-201 Revista Colombiana de Ciencias Hortícolas; V. 12 N. 1 (2018); 192-201 Revista Colombiana de Ciencias Hortícolas; v. 12 n. 1 (2018); 192-201 2422-3719 2011-2173 spa https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/7871/pdf https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/7871/7036 https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/7871/7037 |
| spellingShingle | Mineral nutrition medicinal plants physiological variables dry mass. SB183-317 S631-667 Nutrición mineral plantas medicinales variables fisiológicas masa seca. SB183-317 S631-667 Combatt C., Enrique Pérez P., Dario Javier Jarma-Orozco, Alfredo Effect of nitrogen and potassium on gaseous exchange and biomass distribution in basil (Ocimum basillicum L.) |
| title | Effect of nitrogen and potassium on gaseous exchange and biomass distribution in basil (Ocimum basillicum L.) |
| title_alt | Efecto del nitrógeno y el potasio sobre el intercambio gaseoso y la distribución de biomasa en albahaca (Ocimum basillicum L.) |
| title_full | Effect of nitrogen and potassium on gaseous exchange and biomass distribution in basil (Ocimum basillicum L.) |
| title_fullStr | Effect of nitrogen and potassium on gaseous exchange and biomass distribution in basil (Ocimum basillicum L.) |
| title_full_unstemmed | Effect of nitrogen and potassium on gaseous exchange and biomass distribution in basil (Ocimum basillicum L.) |
| title_short | Effect of nitrogen and potassium on gaseous exchange and biomass distribution in basil (Ocimum basillicum L.) |
| title_sort | effect of nitrogen and potassium on gaseous exchange and biomass distribution in basil ocimum basillicum l |
| topic | Mineral nutrition medicinal plants physiological variables dry mass. SB183-317 S631-667 Nutrición mineral plantas medicinales variables fisiológicas masa seca. SB183-317 S631-667 |
| topic_facet | Mineral nutrition medicinal plants physiological variables dry mass. SB183-317 S631-667 Nutrición mineral plantas medicinales variables fisiológicas masa seca. SB183-317 S631-667 |
| url | https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/7871 |
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