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Breeding of lupines for ecological farming - quality investigations concerning feed suitability

Project


Project code: 03OE355
Contract period: 15.04.2004 - 28.02.2006
Budget: 89,317 Euro
Purpose of research: Basic research

Blue lupins can be used in organic farming without limitation. They were less sensitive to diseases and ripened early as well as uniformly at all locations. However, the yellow and white lupins grown at Mecklenburg-Western Pomeranian (MP) locations had problems in ripening. For evaluation of lupins as feeding stuff in organic farming not only differences in yield but also in components and therefore in feeding quality must be regarded, especially when they were grown in different locations. With blue lupins the location differences in yield and quality were so high, that in comparison to it the genotypic differences could be neglected. The obvious regional distinctions between Low Bavaria (LB) and MP were probably caused by the different soil properties, i. e. a higher pH value at LB. Very low raw protein contents of blue lupins grown at LB were counterbalanced by enhanced contents of fat and non starch polysaccharides. Starch could not be detected or only in traces (< 1%) in all lupins investigated. The protein quality was better in lupins grown at LB, i.e. higher contents of sulphurous amino acids were found, but the protein content with only 20% was too low. Also the alkaloid content of blue lupins was dependent on location (LB).

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