Table 3 Selection gradients (β) using male and female fitness estimates regressed on biomass and N content of floral whorls

From: Allocation to male vs female floral function varies by currency and responds differentially to density and moisture stress

Trait

Relative total seed production

Relative total viable pollen production

 

β±SE

F-value

β±SE

F-value

Biomass

0.54±0.055

96.24****

0.54±0.040

96.30****

Pistil N content

0.14±0.063

4.80*

0.01±0.053

0.02

Stamen N content

0.23±0.060

15.00***

0.13±0.059

4.67*

Petal N content

−0.13±0.064

3.85*

0.04±0.057

0.55

Sepal N content

−0.11±0.059

3.13†

−0.14±0.060

5.54*

  1. †P<0.08; *P <0.05; **P <0.01; ***P <0.001; ****P <0.0001.
  2. Traits were standardized to a mean of zero and standard deviation of one.
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