Cultivation of legumes will increase due to several factors. Among these are extraction of plant-based proteins for human consumption, a demand for increased self-sufficiency of vegetable proteins within the country, reduced costs for fertilisers by N-fixation in the legumes, and use of legumes as cover crops. Largest production is of pea and field bean, and new crops are lupin, vetch, lentils and soybeans. Frequent cultivation of legumes leads to higher risk of yield losses due to soil-borne root pathogens. This project will focus on collecting and identifying root pathogens causing diseases in legumes, assessing pathogenicity in different species and cultivars of legumes and other crops in the rotation. A further step is to evaluate the effect of treating seed or plants with biological products in reducing the infection. For the grower, it is of high importance to minimize the risk of crop losses when cultivating legumes, and to reduce propagation of long-lived pathogens in the soil.