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. Author manuscript; available in PMC: 2008 Oct 7.

Published in final edited form as: Am Nat. 2004 Jul 6;164(2):145–156. doi: 10.1086/422223

Table 3.

Standardized selection differentials and gradients for the BC₂Ann and BC₂Pet populations

	Differential	Gradient (SE)
BC₂Ann:
Succulence	.474^***	.0566 (.096)⁺
Leaf area	.454^***	−.316 (.123)^**
Stem diameter	.801^***	1.083 (.135)^***
Flowering date	−.161^***	.229 (.091)^**
BC₂Pet:
Succulence	.259^***	−.209 (.048)^***
Leaf area	.303^***	−.0981 (.043)^*
Stem diameter	.621^***	.877 (.060)^***
Flowering date	−.229^***	.122 (.042)^**
Phosphorus	−.150	.0995 (.042)^*
Boron	−.125^**	−.0759 (.42)^a

⁺

P ≥.10.

^*

P ≤.05.

^**

P ≤.01.

^***

P ≤.001.

^a

P = .07.