Abstract
The present study aims to compare pepper quality and mineral composition in two different cultivars (Almuden and Quito) under organic or conventional management (experiment 1) and under soil or soilless cultivation (experiment 2). This work falls into the category of “research center studies”, which compare cropping systems under identical environmental conditions. The effect of the experimental factors – cropping system (CS), harvesting time (HT) and cultivar (CV) – and their interactions were studied. In general, conventional management led to larger, firmer and thicker peppers than observed in organic fruits, with a similar greenish colour but lower colour intensity. However, some exceptions were recorded since the effect of CS on most fruit quality parameters depended on the HT and/or CV. Conventional peppers showed higher concentrations of N and P than organic fruits and also, only in the case of Almuden, a higher NO3− concentration. Peppers grown under the soilless system showed higher NO3− and lower Ca concentrations and were less greenish (lower hue) than those grown in soil. Significant two-way and/or three-way interactions between CS and the other experimental factors were detected for weight, firmness and flesh thickness. The results obtained for fruit weight in Quito showed this cultivar to be the less suitable for soilless cultivation.
Published Version
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