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. 2013 Jan 7;280(1750):20122058. doi: 10.1098/rspb.2012.2058

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© 2012 The Author(s) Published by the Royal Society. All rights reserved.

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Figure 3. — The difference in the mean number of inflorescences (no. inflor.) between the control (within home population progeny) and (a) F₁, (b), F₂ and (c) backcrosses to the foreign population () as a function of the effective number of alleles in the foreign population (A_EF). Values above the dashed horizontal (zero) line represent heterosis and below represent outbreeding depression. The equations for these relations are: (a) R² = 0.36, p = 0.023, no. inflor. = –81.0 + 14.6 × A_EF, (b) R² = 0.43, p = 0.012, no. inflor. = –63.2 + 11.7 × A_EF and (c) R² = 0.33, p = 0.029, no. inflor. = –87.9 + 16.0 × A_EF.

Inline graphic — The difference in the mean number of inflorescences (no. inflor.) between the control (within home population progeny) and (a) F₁, (b), F₂ and (c) backcrosses to the foreign population () as a function of the effective number of alleles in the foreign population (A_EF). Values above the dashed horizontal (zero) line represent heterosis and below represent outbreeding depression. The equations for these relations are: (a) R² = 0.36, p = 0.023, no. inflor. = –81.0 + 14.6 × A_EF, (b) R² = 0.43, p = 0.012, no. inflor. = –63.2 + 11.7 × A_EF and (c) R² = 0.33, p = 0.029, no. inflor. = –87.9 + 16.0 × A_EF.