Articles

EFFECTS OF DIFFERENT IRRIGATION AND CROP YEAR ON GERBERA JAMESONNI PRODUCTION IN SUBSTRATE

Article number
937_63
Pages
519 – 524
Language
English
Abstract
The main objective of the research was to compare the effects of four irrigation treatments on flower production of gerbera plants.
A gerbera crop was carried out in a greenhouse located in Badajoz, Spain.
Flower number and quality were evaluated during two years.
Treatments were directly related to the way of applying the irrigations: R0 (one irrigation every other day), R1 (one daily irrigation), R2 (two daily irrigations) and R3 (three daily irrigations); in every treatment the same water and nutrient dose was applied, varying the duration and frequency of them.
Flower yield measurements included commercial and non-commercial productions, diameter and stem length of the harvested gerbera flowers.
Statistical analysis of the data revealed that there were significant differences among the irrigation treatments and between crop years.
R0 and R1 obtained the highest commercial flower number during all the period compared to R2 and R3. In terms of non-commercial production, R0 registered the biggest quantity of non-commercial flowers.
Plants irrigated with R1 showed the highest stem length values, presenting significant differences with the rest of treatments.
With respect to the annual analysis, harvested flower number and quality in 2007-08 were higher than 2008-09. In the framework of the experiment, the gerbera flower yield was affected by the irrigation and the crop year.
Both the R1 and first crop year have provided the best results referred to yield and quality character¬istics.

Publication
Authors
R. Velázquez, M. Martínez, T. Bartolomé, J.M. Coleto, S. Rodrigo, F. Honorio, M.J. Poblaciones, A. García
Keywords
cut flower, cocopeat, greenhouse, yield, quality
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