In 1945, a citrus rootstock breeding programme was initiated by Dr. F T Bowman of NSW Agriculture, in an attempt to obtain rootstocks compatible with Eureka lemon that were also Phytophthora resistant and tolerant of citrus tristeza virus. From this programme, the Benton citrange, a hybrid of Ruby Blood sweet orange and P. trifoliata, was selected and has performed well as a rootstock for Eureka lemon in a number of replicated trials on the Central Coast of NSW (Freeman et al., 1986; Sarooshi and Broadbent, 1992, Hardy and Gallasch, 2004) and at Yanco (Long et al., 1978). Seed was first released to the industry in 1984. There are many commercial lemon plantings using this rootstock which have been established since 1990, but poor seed production in the seed source trees was an impediment to its widespread use. The seed production issues have now been improved.