Produtividade de laranjeira Folha Murcha enxertada em limoeiro Cravo sob adensamento de plantio

) para cada espacamento proposto. No espacamento mais adensado (6,5×2,0 m), as plantas apresentaram menor volume de copa; em contrapartida, maior produtividade da laranjeira Folha Murcha foi observada nesse tratamento. Houve queda de producao nos anos mais avancados de cultivo, independentemente da densidade de plantio. O espacamento 6,5×2,0 acarreta alta produtividade para laranjeira Folha Murcha, tornando a tecnica do adensamento apta a adocao pelo citricultor. Palavras-chave: Citrus sinensis, Citrus limonia, densidade de plantio, sistema de producao, produtividade. Yield of Folha Murcha sweet orange grafted on Rangpur lime under high density planting Abstract The Brazilian citrus production comes through changes in technological standard, specially the high density of plantations. Within this context, was implemented in 1982, the experiment for evaluation of five plant spacings (2.0, 3.0, 4.0, 5.0 and 6.0 meters) to Folha Murcha sweet orange grafted on Rangpur. The test was conducted without irrigation, settling the line spacing of 6.5 meters. Complementing the data obtained in the years of deployment and stabilization of the orchard (1982 to 1993), are presented and discussed in this paper results of assessments carried between the 12 th and 22 nd years of cultivation (1994-2004). It was calculated canopy volume from the data of height and diameter of the plants in 1995. In addition, evaluated the production of fruits per plant and yield (t ha -1 ) for each spacing proposed. In the high density (6.5×2.0 m) the plants had lower canopy volume, on the other hand increased yield of the Folha Murcha sweet orange was observed in this treatment. There was production fall, in the final years of cultivation, regardless of plant density. The 6,5×2,0 m spacing leads to high productivity of Folha Murcha sweet Orange, making high density an apt technique to the adoption by the citrus producer.