Influence of production factors on postharvest life of potted roses

In an experiment to identify how growing conditions influence the postharvest life of potted Rosa hybrida ‘Poulprima N’ (Purple Parade®) plants, response surface analyses were conducted on the effects of six factors: NH 4 + and Ca concentrations in the nutrient solution, addition of lime to the peat...

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Bibliographic Details
Published in:Postharvest biology and technology 1999-06, Vol.16 (2), p.157-167
Main Authors: Nielsen, Bjarne, Starkey, Kirsten Rasmussen
Format: Article
Language:English
Subjects:
AMENDEMENT CALCIQUE
AMMONIA
AMMONIAC
Ammonium
AMONIACO
APTITUD PARA LA CONSERVACION
APTITUDE A LA CONSERVATION
CALCIO
CALCIUM
Capillary mat
ENMIENDAS CALIZAS
Humidity
KEEPING QUALITY
Lime
LIMING MATERIALS
Plant density
PLANT PRODUCTION
PLANTAS DE MACETAS
PLANTE EN POT
Post production quality
POT PLANTS
PRODUCCION VEGETAL
PRODUCTION VEGETALE
Response surface analysis
ROSA
ROSA (GENERO)
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Summary:In an experiment to identify how growing conditions influence the postharvest life of potted Rosa hybrida ‘Poulprima N’ (Purple Parade®) plants, response surface analyses were conducted on the effects of six factors: NH 4 + and Ca concentrations in the nutrient solution, addition of lime to the peat medium, plant spacing, air humidity, and use of capillary mats on the benches. At the end of production, the buds and flowers were analysed for Ca and total N, and three weeks later, postharvest life was evaluated, determined by flower wilting and leaf abscission. With increasing Ca concentration in the nutrient solution the ratio of wilted flowers decreased, and at low concentrations of NH 4 + (
ISSN:0925-5214
1873-2356
DOI:10.1016/S0925-5214(99)00015-0