Pineapple guava [Acca sellowiana (O.Berg) Burret] growth, production and fruit quality in response to potassium nitrate, potassium phosphate and ethephon
In La Vega (Cundinamarca, Colombia; 2,350 m above sea level, 17°C average temperature, 85% relative humidity, and 1,423 mm annual precipitation), the effect of three chemical products, used for floral induction, on 6 yearold pineapple guava trees (‘Clone 41’ or ‘Quimba’) were studied. The applied ch...
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Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC
2011
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| author | Combariza, Luis Fernando Neira, César Augusto Fischer, Gerhard Corredor, Guillermo Quintero, Ómar Camilo |
| author_facet | Combariza, Luis Fernando Neira, César Augusto Fischer, Gerhard Corredor, Guillermo Quintero, Ómar Camilo |
| author_sort | Combariza, Luis Fernando |
| collection | OJS |
| description | In La Vega (Cundinamarca, Colombia; 2,350 m above sea level, 17°C average temperature, 85% relative humidity, and 1,423 mm annual precipitation), the effect of three chemical products, used for floral induction, on 6 yearold pineapple guava trees (‘Clone 41’ or ‘Quimba’) were studied. The applied chemical agents were the foliar fertilizers KNO3 (potassium nitrate 13-0-46® 1%, 1.5%, 2%), KH2PO4 (potassium phosphate; Cosmofoliar 0-32- 43®; 0.5%, 0.75%, 1.0%), and ethephon (Ethrel® 48 SL; 100, 150, 200 mg·L-1) their effects were evaluated during fruit development, until physiological maturity, determining fruit production and quality. Regarding the longitudinal and cross-sectional size of the fruit, KH2PO4 at 0.5%, followed by the 100 mg·L-1 ethephon treatment, responded better compared to the other treatments, with an optimal production of fruits of exportable quality. Similarly, 0.5% KH2PO4 produced the highest number of set and harvested fruits. Ethephon at 100 mg·L-1 tended to originate the greatest fresh weight fruits. The applied products did not present any alteration in their chemical variables (pH, total soluble solids and total titratable acidity) of harvested fruits. |
| format | Online |
| id | oai:oai.revistas.uptc.edu.co:article-1158 |
| institution | Revista Colombiana de Ciencias Hortícolas |
| language | spa |
| publishDate | 2011 |
| 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-11582020-08-04T00:15:01Z Pineapple guava [Acca sellowiana (O.Berg) Burret] growth, production and fruit quality in response to potassium nitrate, potassium phosphate and ethephon Crecimiento, producción y calidad de fruta en feijoa [Acca sellowiana (O.Berg) Burret] en respuesta al nitrato de potasio, fosfato de potasio y ethephon Combariza, Luis Fernando Neira, César Augusto Fischer, Gerhard Corredor, Guillermo Quintero, Ómar Camilo Ethrel Fruit development Physicochemical changes ‘Clone 41’ ‘Quimba’ Agriculture Ethrel Desarrollo fruto Cambios físico-químicos ‘Clon 41’ ‘Quimba’ Agricultura In La Vega (Cundinamarca, Colombia; 2,350 m above sea level, 17°C average temperature, 85% relative humidity, and 1,423 mm annual precipitation), the effect of three chemical products, used for floral induction, on 6 yearold pineapple guava trees (‘Clone 41’ or ‘Quimba’) were studied. The applied chemical agents were the foliar fertilizers KNO3 (potassium nitrate 13-0-46® 1%, 1.5%, 2%), KH2PO4 (potassium phosphate; Cosmofoliar 0-32- 43®; 0.5%, 0.75%, 1.0%), and ethephon (Ethrel® 48 SL; 100, 150, 200 mg·L-1) their effects were evaluated during fruit development, until physiological maturity, determining fruit production and quality. Regarding the longitudinal and cross-sectional size of the fruit, KH2PO4 at 0.5%, followed by the 100 mg·L-1 ethephon treatment, responded better compared to the other treatments, with an optimal production of fruits of exportable quality. Similarly, 0.5% KH2PO4 produced the highest number of set and harvested fruits. Ethephon at 100 mg·L-1 tended to originate the greatest fresh weight fruits. The applied products did not present any alteration in their chemical variables (pH, total soluble solids and total titratable acidity) of harvested fruits. En La Vega (Cundinamarca, Colombia; 2.350 msnm, temperatura, humedad relativa y precipitación anual promedio de 17ºC, 85% y 1.423 mm, respectivamente), se estudió el efecto de tres productos químicos, usados en la inducción floral, en árboles de feijoa (‘Clon 41’ o ‘Quimba’), los cuales tenían 6 años de edad. Los productos aplicados fueron los fertilizantes foliares KNO3 (nitrato de potasio 13-0-46® en concentraciones de 1,0%, 1,5%, 2,0%), KH2PO4 (fosfato de potasio; Cosmofoliar 0-32-43®; 0,5%, 0,75%, 1,0%) y ethephon (Ethrel® 48 SL; 100, 150, 200 mg·L-1) cuyos efectos fueron evaluados durante el desarrollo, hasta la madurez fisiológica del fruto, mediante la determinación de la producción y la calidad de este. En relación con el tamaño longitudinal y transversal del fruto, el KH2PO4, al 0,5%, seguido por el tratamiento ethephon, a 100 mg·L-1, presentó la mejor respuesta en comparación con los otros tratamientos, con una producción óptima de frutos calidad exportable. Así mismo, 0,5% KH2PO4 produjo el mayor número de frutos cuajados y cosechados, mientras el ethephon, al 100 mg·L-1 tendió a originar los frutos de mayor peso fresco. Los productos aplicados no presentaron una alteración en las variables químicas (pH, sólidos solubles totales y acidez total titulable) de los frutos cosechados. Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC 2011-01-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text Texto text text Texto application/pdf https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/1158 10.17584/rcch.2007v1i2.1158 Revista Colombiana de Ciencias Hortícolas; Vol. 1 No. 2 (2007); 170-181 Revista Colombiana de Ciencias Hortícolas; Vol. 1 Núm. 2 (2007); 170-181 Revista Colombiana de Ciencias Hortícolas; Vol. 1 No 2 (2007); 170-181 Revista Colombiana de Ciencias Hortícolas; V. 1 N. 2 (2007); 170-181 Revista Colombiana de Ciencias Hortícolas; v. 1 n. 2 (2007); 170-181 2422-3719 2011-2173 spa https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/1158/1157 Colombia |
| spellingShingle | Ethrel Fruit development Physicochemical changes ‘Clone 41’ ‘Quimba’ Agriculture Ethrel Desarrollo fruto Cambios físico-químicos ‘Clon 41’ ‘Quimba’ Agricultura Combariza, Luis Fernando Neira, César Augusto Fischer, Gerhard Corredor, Guillermo Quintero, Ómar Camilo Pineapple guava [Acca sellowiana (O.Berg) Burret] growth, production and fruit quality in response to potassium nitrate, potassium phosphate and ethephon |
| title | Pineapple guava [Acca sellowiana (O.Berg) Burret] growth, production and fruit quality in response to potassium nitrate, potassium phosphate and ethephon |
| title_alt | Crecimiento, producción y calidad de fruta en feijoa [Acca sellowiana (O.Berg) Burret] en respuesta al nitrato de potasio, fosfato de potasio y ethephon |
| title_full | Pineapple guava [Acca sellowiana (O.Berg) Burret] growth, production and fruit quality in response to potassium nitrate, potassium phosphate and ethephon |
| title_fullStr | Pineapple guava [Acca sellowiana (O.Berg) Burret] growth, production and fruit quality in response to potassium nitrate, potassium phosphate and ethephon |
| title_full_unstemmed | Pineapple guava [Acca sellowiana (O.Berg) Burret] growth, production and fruit quality in response to potassium nitrate, potassium phosphate and ethephon |
| title_short | Pineapple guava [Acca sellowiana (O.Berg) Burret] growth, production and fruit quality in response to potassium nitrate, potassium phosphate and ethephon |
| title_sort | pineapple guava acca sellowiana o berg burret growth production and fruit quality in response to potassium nitrate potassium phosphate and ethephon |
| topic | Ethrel Fruit development Physicochemical changes ‘Clone 41’ ‘Quimba’ Agriculture Ethrel Desarrollo fruto Cambios físico-químicos ‘Clon 41’ ‘Quimba’ Agricultura |
| topic_facet | Ethrel Fruit development Physicochemical changes ‘Clone 41’ ‘Quimba’ Agriculture Ethrel Desarrollo fruto Cambios físico-químicos ‘Clon 41’ ‘Quimba’ Agricultura |
| url | https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/1158 |
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