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Bernardo Chaves C. ; Víctor Julio Flórez R. ;Agronomía Colombiana 2014, 32 2

Autor: Miguel Ángel López M.

Fuente: http://www.redalyc.org/


Introducción



Agronomía Colombiana ISSN: 0120-9965 agrocolfabog@gmail.com Universidad Nacional de Colombia Colombia López M., Miguel Ángel; Chaves C., Bernardo; Flórez R., Víctor Julio Potential growing model for the standard carnation cv.
Delphi Agronomía Colombiana, vol.
32, núm.
2, 2014, pp.
196-204 Universidad Nacional de Colombia Bogotá, Colombia Available in: http:--www.redalyc.org-articulo.oa?id=180332010006 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Potential growing model for the standard carnation cv.
Delphi Modelo del crecimiento potencial de clavel estándar cv.
Delphi Miguel Ángel López M.1, Bernardo Chaves C.2, and Víctor Julio Flórez R.3 ABSTRACT RESUMEN The cut flower business requires exact synchronicity between product offer and demand in consumer countries.
Having tools that help to improve this synchronicity through predictions or crop growth monitoring could provide an important advantage to program standards and corrective agronomic practices.
At the Centro de Biotecnología Agropecuaria, SENA (SENA’s Biotechnology, Agricultural and Livestock Center), located in Mosquera, Cundinamarca, a trial with standard carnation cv. Delphi grown under greenhouse conditions was carried out. The objective of this study was to build a simple model of dry matter (DM) production and partition of on-carnation flower stems.
The model was based on the photosynthetically active radiation (PAR) MJ m-2 d-1 and temperature as exogenous variables and assumed no water or nutrient limitations or damage caused by pests, disease or weeds.
In this model, the daily DM increase depended on the PAR, the light fraction intercepted by the foliage (Flint) and the light use efficiency (LUE) g MJ-1.
The LUE in the vegetative and reprodu...





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