CRESCIMENTO DE CAFEEIROS ENXERTADOS CULTIVADOS EM SOLUÇÃO NUTRITIVA

Abstract

The use of grafting in coffee, and give greater tolerance for nematodes, have shown influence on the growth of coffee, so the purpose of this study was to evaluate the growth of different varieties of Coffea arabica L. grafted into Apoata IAC 2258 ( Coffea canephora ). The experiment was installed in a greenhouse, using the method of cultivation in nutrient solution. It used a factorial 7 x 3 + 2, and seven cultivars of C. arabica L. (Palma II, Catucai 2SL, Oeiras MG 6851, Obata IAC 1669-20, Acaua, Topazio MG 1190 and Paraiso MG H 419-1), three types of seedlings (coffee cultivars grafted on ‘Apoata IAC 2258’, self grafted, meaning a cultivar was grafted on a rootstock of the same cultivar and no grafting) and two additional treatments (Apoata self grafted and Apoata no grafting). The technique of grafting did not disadvantage the development of seedling trees. Cultivars Acaua, Paraiso MG H 419-1 and Catucai 2SL had better perform when grafted. The development of the root system of the plants self-grafted and non-grafted seedlings was better then grafted seedlings. Cultivars Palma II, Obata IAC 1669-20 and Oeiras MG 6851have potential to promote the root system development similar to Apoata self-grafted seedlings.