Research Article

Historical Use of Cultivars as Parents in Florida and Louisiana Sugarcane Breeding Programs

Table 2

Percentage of commercial parentage of cultivars, cultivars with at least one cultivar parent, percentage of cultivars used in crosses, and total crosses for breeding programs at Canal Point (CP), Houma, and Louisiana State University (LSU).

CultivarsAt least one cultivarCommercial parents in crossesaTotal crosses
%(no.)

CP54.6177.46*16.39*‡6945
Houma56.8281.82*11.77*‡6630
LSU42.8664.29 34.29*‡4423

For CP crosses are from 2000 to 2006 and 2010 to 2012, for LSU crosses are from 2003 to 2012, and for Houma crosses are from 1993 to 2012.
*Significantly different at 0.05 for the Chi-square test of equal proportions (cultivar versus noncultivar within each program).
Significantly different at 0.05 for the Chi-square test comparing the percentages of the different breeding programs.