Experimental demonstration of allometric invariance of plant response to density over the course of wheat domestication.

Abstract excerpt

Crop domestication and breeding have led to phenotypic changes, particularly in plant size. Allometric relationships-the link between trait and size-have been repeatedly described as invariant across taxa, suggesting strong constraints on phenotypic evolution. By analogy, artificial selection during domestication and breeding might have been strongly constrained by plant allometry, but an experimental test is...

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