Abstract
Among foods protected by the European Union with the PGI (Protected Geographical Indication) mark, several ecotypes of “Fagioli di Sarconi” common beans, typical legumes of Basilicata Region, are included. This work aimed to conduct a survey of seed-borne pathogens isolated from “Ciuoto” and “Cannellino rosso”, ecotypes of “Fagioli di Sarconi” common beans, in two years and cultivation areas of the National Park of the Agri Valley, for identifying resistant and climatic changes well-adapted genotypes. Three validated methods were used for the seed-borne pathogens screening. Eighteen fungi were differently found for ecotype and year of observation by the washing test. Saprophyte contaminants pathogens isolated and detected by the blotter test were strongly reduced by 1% sodium hypochlorite treatment. Using the between paper test, specific for detecting Colletotrichum lindemuthianum, the presence of this pathogen for both ecotypes, years and cultivation areas, and also some bacteria were individuated. Therefore, area-, environment- and ecotype-dependent differences were revealed, probably also caused by a different polyphenolic content and thickness of integument of two ecotypes. This study represents a baseline information for further studies, development of forecasting models and management of seed-borne diseases associated with common beans.
Highlights
Phaseolus vulgaris L., known as common bean, is the second most important legume in the world for food purposes thanks to its high nutritional value in terms of content of protein, vitamins, zinc, iron, and fiber [1,2,3]
“Fagioli di Sarconi” common beans include about 21 different ecotypes protected by the European Union (Commission Regulation (EC) No 1263/96) with the mark PGI (Protected Geographical Indication)
The populations were multiplied in organic farms, in two different areas located in the National Park of the Agri Valley: Sarconi and Paterno, Potenza, Italy
Summary
Phaseolus vulgaris L., known as common bean, is the second most important legume in the world for food purposes thanks to its high nutritional value in terms of content of protein, vitamins, zinc, iron, and fiber [1,2,3] It is widespread over a large area between. “Fagioli di Sarconi” common beans include about 21 different ecotypes protected by the European Union (Commission Regulation (EC) No 1263/96) with the mark PGI (Protected Geographical Indication) These legumes are used as a prevalent healthy food in Italian cuisine, and are cultivated in the National Park of the Agri Valley in Basilicata for dry seed production [8,9,10]. The “Consorzio di Tutela dei Fagioli di Sarconi” has preserved the germplasm on farm and its biochemical and nutraceutical traits have been characterized [5,8,9,10,11,12,13,14,15,16]; research on the response to diseases of common bean ecotypes is limited [17]
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