The intent of DLB is to lead to greater availability of new, high performing crop varieties that respond to customer needs and market demand, and which will, in the longer term, lead to increased adoption of new high performing varieties by farmers in Africa, contributing to food and nutritional security and income generation.

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The scientific impacts are to better integrate all aspects of market demand into the design of new plant varieties. This involves the systematic use of product profiles to define the priority traits identified through consultation within the value chain for each crop and country. This includes incorporating demand from farmers (primarily addressing biological constraints), as well as demands from consumers (such as taste, color, quality) and demand from suppliers (e.g. storage quality).