Base temperature, growing degree-days and cycle growth length were evaluated at Capão Bonito, São Paulo State (Brazil), during the years from 1992 to 1995, for three triticale cultivars: CEP 15, IAC 2 and IAC 3. The obtained values of base temperature varied from 8 to 10 ºC and the amount of growing degree-days required for the triticale cultivars to complete their cycle varied from 1048 to e 1263, according to the cultivar. The duration of the emergency-flowering growth stage varied from 50 to 63 days, according to the cultivar, while the duration of the flowering-maturation (harvest) growth stage was 70 days for the three cultivars analised. The low air temperature enlarged the length of the total cycle for the triticale cultivars.
triticale; phenology; base-temperature; growth stage; growing degree-days
