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Vegetable Crops Research Bulletin

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Yielding and Fruit Quality of Three Sweet Pepper Cultivars from Organic and Conventional Cultivation

Anna Szafirowska / Krystyna Elkner
Published Online: 2009-01-05 | DOI: https://doi.org/10.2478/v10032-008-0028-x

Yielding and Fruit Quality of Three Sweet Pepper Cultivars from Organic and Conventional Cultivation

The investigations were undertaken to study the effect of cultivar and growing system (organic vs. conventional) on sweet pepper (Capsicum annum L.) yielding, fruit morphology and antioxidants content.

Two hybrids Caryca and Roberta and one open pollinated cultivar Mercedes all of the Polish origin were compared during 2007 and 2008 in the field experiments. Conventional production was based on mineral fertilization and chemical plant protection, while organic relied on compost fertilization and stabilized ecosystem with no chemical used according to EU Regulation 2092/91 for organic farming. The results revealed a good response of bell pepper to organic cultivation system. Marketable fruit yield was higher and morphological characters better from organic cultivation. The content of human health beneficial compounds such as acsorbic acid, total flavonoids, soluble phenols and beta- carotene were investigated at the red stage of fruit maturity. Both the cultivar and growing method influenced the level of examined compounds. Pepper fruits obtained from organic cultivation system comprised higher amount of vitamin C, beta-carotene total flavonoids and polyphenols than from the conventional. Roberta F1 revealed the higher content of vitamin C, beta-carotene than Caryca F1 and Mercedes. Moreover cultivar Roberta F1 demonstrated the highest level of polyphenols in both cultivation systems.

Plonowanie I Jakość Owoców Trzech Odmian Papryki Z Uprawy Ekologicznej I Konwencjonalnej

Przeprowadzono badania nad wpływem odmiany i metody uprawy (ekologiczna i konwencjonalna) na plonowanie, cechy morfologiczne owoców oraz zawartość substancji prozdrowotnych w tym antyoksydantów w owocach papryki.

W doświadczeniach polowych prowadzonych w latach 2007-2008 porównywano trzy polskie odmiany: dwa mieszańce Caryca i Roberta oraz odmianę ustaloną Mercedes. W uprawie konwencjonalnej stosowano nawożenie mineralne i ochronę chemiczną odpowiednią dla gatunku. W uprawie ekologicznej paprykę uprawiano na polu o ustabilizowanym ekosystemie zgodnie z Rozporządzeniem RWE 2092/91 dla produkcji ekologicznej, do nawożenia użyto kompost wytworzony na miejscu, nie stosowano żadnych środków chemicznych. Badania wykazały dobrą reakcję papryki na ekologiczny sposób uprawy. Z uprawy ekologicznej uzyskano wyższy plon handlowy owoców o lepszych cechach morfologicznych. Zawartość substancji prozdrowotnych takich jak witamina C, beta-karoten, flawonoidy ogółem oraz rozpuszczalne fenole były określane w owocach czerwonych. Zarówno odmiana jak i sposób uprawy wpłynęły na zawartość wymienionych substancji prozdrowotnych. W owocach papryki pochodzących z uprawy ekologicznej stwierdzono wyższą zawartość witaminy C, beta-karotenu, flawonoidów ogółem i polifenoli niż z uprawy konwencjonalnej. Wśród badanych odmian Roberta F1 wyróżniała się najwyższym poziomem polifenoli niezależnie od sposobu uprawy.

Keywords: pepper; organic cultivation; fruit quality; antioxidants

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About the article

Published Online: 2009-01-05

Published in Print: 2008-01-01

Citation Information: Vegetable Crops Research Bulletin, ISSN (Online) 1898-7761, ISSN (Print) 1506-9427, DOI: https://doi.org/10.2478/v10032-008-0028-x.

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