Selection and breeding of new sugarcane cultivar Mintang 92-505

Mintang92-505 selected from the cross combination of Xuan 15 and CP73-1547, was a new sugarcane cultivar with early mature, high yield and sucrose content, stronger ratooning ability, high adverse resistance and wide adaptability.The results from different sites in Fujian for several years showed that its mean cane yield was 118.424t·hm-2, sucrose content of cane (absolute value) was 15.05%during the period from Nov.to Feb.next year, sugar yield was 17.887t·hm-2 and was 24.30%, 0.87 percent points and 32.20%higher than those of the currently leading cultivar Mintang 70-611 in Fujian Province respectively.