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Acta cient. venez ; 57(3): 120-124, 2006. tab
Article in Portuguese | LILACS | ID: lil-537137

ABSTRACT

O experimento foi conduzido na base física da Empresa de Pesquisa Agropecuária do Estado do Rio Grande doNorte (EMPARN) em Açu-RN, com o objetivo de avaliar o comportamento de cultivares copas em função de diferentes portaenxertos. O delineamento experimental utilizado foi em blocos casualizados num esquema fatorial 3 x 4, correspondentes às cultivares de enxertos e porta-enxertos respectivamente, e três repetições. Como porta-enxertos foram utilizadas os cultivares Carabao e Manga d’água, provenientes do Instituto Agronômico de Campinas (IAC), e os cultivares Rosinha e Espada, obtidas da coleção da EMPARN. Os cultivares empregados como copas foram Tommy Atkins, Van Dyke e Keitt, oriundos da EMPARN. Semestralmente avaliaram-se os diâmetros dos porta-enxertos, enxertos e altura das plantas. O cultivar Manga d’água, como porta-enxerto, promoveu o menor crescimento às mangueiras e o cultivar Tommy Atkins, usado como enxerto, foi a que apresentou a maior altura.


The experiment was conducted at the physics structure of the Rio Grande do Norte State Farming ResearchCompany (EMPARN) in Açu-RN, with the objective of evaluate the behavior of grafts-holder cultivates in the plants formation of cultivates used as tops. The experimental design was randonizated blocks in the factorial outline 3 x 4, with 3 repetitions. The analyzed factors were four cultivates of grafts-holder and three cultivates of grafts. As grafts-holders were used the cultivates “Carabao” and “Manga d’agua”, originated at the Campinas Agrarian Institute, and the cultivates “Rosinha” and “Espada”, obtained from the EMPARN collection. The cultivates used as tops were Tommy Atkins, Van Dyke and Keitt, with the fork that were also obtained at EMPARN. In a period of six months was observed the diameters of the grafts-holder, grafts and hight of the plants. The Cultivar “Manga d’agua”, as a graft-holder, provided the smallest growing to the mango tree and the Cultivar Tommy Atkins, used as graft, was the one who presented the tallest hight.


Subject(s)
Crop Production , Mangifera/analysis , Mangifera/classification , Agriculture
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