Fecha de publicación: 26/09/2013 Fuente: WIPO "pollination" New Brassica Ogura fertility restorer lines with a shortened Raphanus fragment are provided. The new lines lack the OPC2 marker and are capable of fully restoring fertility in Ogura cytoplasmic male sterile (cms) plants. The improved lines were developed using a new breeding method. The new breeding method can be used to shorten an exotic insertion comprising a gene of interest in any plant.