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Novas observações sôbre o dimorfismo dos ramos em Coffea arabica L.

Vegetative propagation of coffee plant by means of graft or cuttings has frequently shown that the bud which develops into plagiotropic branches is so differentiated that it looses the capacity to produce upright growing branches (orthotrõpic). Two independent cases found by A. J. T. Mendes and J. E. T. Mendes are described in this paper, of a plagiotropic branch from which an oithotropic branch has developed, indicating that in very rare cases the differentation of the plagiotropic branch is not so complete. Another case is also described of an orthotropic branch that up to the present time sems to have changed into a plagiotropic one.


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