TABLE 1

Parental mean phenotypic values from long- and short-day environments and for photoperiod response (long-day−short-day means)

GDDTAGDDTSGDDASIPHEHTLN
Inbred lineGrowing-degree days (GDD)cmNo. of leaves
Short-day environments
B73873 (31)881 (36)9 (6.8)142 (12.3)63 (5.0)18 (0.37)
B97809 (38)841 (43)31 (9.2)120 (14.0)50 (6.8)15 (0.53)
CML2541003 (35)1005 (39)1 (8.0)126 (13.4)71 (6.3)20 (0.45)
Ki14936 (36)994 (40)58 (8.4)109 (13.1)63 (6.1)19 (0.45)
Long-day environments
B73879 (19)902 (24)18 (5.8)173 (7.2)76 (3.0)20 (0.26)
B97867 (21)910 (28)40 (6.6)159 (7.7)74 (3.6)19 (0.34)
CML2541377 (26)1440 (40)58 (9.9)162 (9.2)99 (5.0)29 (0.37)
Ki141107 (23)1302 (29)194 (7.1)164 (8.1)91 (4.0)24 (0.39)
Photoperiodic responses (long-day minus short-day responses)
B73522931*12*2***
B975869938*23**3***
CML254373***433***57***37*28**8***
Ki14171***308***136***55**29***4***
  • Values in parentheses represent the standard error of each estimate. *Significantly different from zero at 0.05 < P < 0.01. **Significantly different from zero at 0.01 < P < 0.001. ***Significantly different from zero at P < 0.0001.