Is competition between mesocarp cells of peach fruits affected by the percentage of wild species (Prunus davidiana) genome

作者: Michel Genard , Benedicte Quilot

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摘要: The number of cells and the mean cell volume in mesocarps fruits from peach genotypes with dif- ferent percentages genome Prunus davidiana ,a wild, related, species, were evaluated. mesocarp mass varied greatly between four groups genotypes. negatively correlated within each group. This correlation can be interpreted as a relationship competition cells. In order to describe type different groups, we tried adjust model for resources proposed by Lescourret Genard (Ecoscience 10:334-341, 2003). To estimate values three parameters applied selection. Within nested models, iden- tified single best six parameter values. was roughly accurate, but it allowed us general revealed strong under-compensating density- dependence effect all groups. percentage P. appeared influence maximal strength competition, no found on

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