The Colombian national police for coffee growers is the renovation of 20% old coffee plantations to increase coffee profitability. For this purpose, an intercrop is needed for income generation while the new coffee plant grows being maize crop an excellent alternative because a profit of USD 800/ha could be get for each of the 3 maize cropping that can be done before the first coffee harvesting. Coffee area for renovation is 160 000 has.
Develop maize cultivars with high grain yield potential and tolerant to key maize disease in this area: Cercospora zeae-maydis and Phyllachora maydis.
Project started in 2004 and will end in 2012 (third phase).