Table 2.Intrinsic growth rates of C. briggsae parental controls and F2 hybrids.a.
| Cross |
|||||
|---|---|---|---|---|---|
| Hermaphrodite | Male | rmax | |||
| AF16 |
x |
AF16 |
|
1.53 ± 0.03 (17) |
|
| |
|
|
|
|
|
| HK104 |
x |
HK104 |
|
1.38 ± 0.09 (15) |
|
| |
|
|
|
|
|
| HK104 |
x |
AF16 |
all |
1.44 ± 0.06 (33) |
|
| |
|
|
delayed |
1.24 ± 0.07 (11) |
|
| |
|
|
nondelayed |
1.53 ± 0.06 (22) |
|
| |
|
|
|
|
|
| AF16 |
x |
AF16 |
all |
1.37 ± 0.07 (39) |
|
| |
|
|
delayed |
1.17 ± 0.07 (12) |
|
| |
|
|
nondelayed |
1.51 ± 0.03 (27) |
|
| aIntrinsic growth rates for individual hermaphrodites were determined from reproductive schedules as described in Vassilieva and Lynch.36 Values reported are the means ± 2 sem. Sample sizes indicated in parentheses. | |||||