desempenho produtivo de nespereiras enxertadas em marmeleiro 'portugal' yield performance of loquat trees grafted on quince cultivar portugal

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ID: 161022
2007
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Abstract
O objetivo deste trabalho foi comparar o desempenho produtivo de cinco seleções de nespereiras enxertadas em marmeleiro e na própria nespereira. Foram utilizadas cinco seleções de nespereira: IAC 966-23, IAC 265-66, IAC 1467-25, Mizauto (IAC 167-4) e Mizumo (IAC 1567-411), enxertadas em estacas enraizadas de marmeleiro 'Portugal' (distribuídas no campo no espaçamento 4x2 m, densidade de 1.250 plantas ha-1) e em plântulas de nespereiras (em espaçamento 7x4 m, densidade de 357 plantas ha-1). O experimento foi conduzido no Município de Monte Alegre do Sul, SP. Nos três anos após o plantio das mudas no campo, avaliou-se a produção (quilograma e número de frutos por planta), massa média dos frutos (g) e a produtividade (Mg ha-1). Calculou-se a média dos quatro anos consecutivos de produção. A seleção IAC 265-66 apresentou o melhor desempenho em porta-enxertos de marmeleiro e da própria nespereira. Apesar da menor produção, não houve diferença na produtividade entre os porta-enxertos do marmeleiro e da própria nespereira. O emprego de porta-enxertos de marmeleiro para nespereiras é uma opção para reduzir o porte e, conseqüentemente, facilitar tratos culturais.
The objective of this work was to compare the performance of five loquat selections grafted on quince seedlings and on loquat seedlings. The following selections were assessed: IAC 966-23, IAC 265-66, IAC 1467-25, Mizauto (IAC 167-4) and Mizumo (IAC 1567-411). The selections were grafted in rooted cuttings of quince cultivar Portugal (planted at the field with an spacing of 4x2 m, corresponding to a density of 1,250 plants ha-1) and in loquat seedlings (planted at the field with an spacing of 7x4 m, corresponding to a density of 357 plants ha-1). The experiments were carried in Monte Alegre do Sul, SP, Brazil. Production (kg and number of the fruits per plant), fruit average mass (g) and productivity (Mg ha-1), along three years of plantation at the field, were evaluated. After the last harvest, the average of all harvests was calculated. The IAC 265-66 selection showed the best performance when grafted on quince and loquat rootstocks. Despite the lower production, there was no difference in productive between quince and loquat as rootstocks. The use of quince as rootstock is an option for loquat cultivation, mainly due to the plant size reduction and consequently, the easier cultural practices.
Reference Key
pio2007pesquisadesempenho Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Rafael Pio;Fernando Antônio Campo Dall'Orto;Wilson Barbosa;Edvan Alves Chagas;Mário Ojima;Nelson Pires Feldberg
Journal proc - the fourth ieee workshop on software technol for future embedded and ubiquitous syst, seus 2006 andthe second int workshop on collaborative comput, integr, and assur, wccia 2006
Year 2007
DOI
10.1590/S0100-204X2007001200007
URL
Keywords Keywords not found

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