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Pesquisa Agropecuária Brasileira

versão On-line ISSN 1678-3921

Resumo

DONATO, Sérgio Luiz Rodrigues et al. Responses of citrus scion and rootstocks varieties combinations to water deficiency. Pesq. agropec. bras. [online]. 2007, vol.42, n.10, pp. 1507-1510. ISSN 1678-3921.  http://dx.doi.org/10.1590/S0100-204X2007001000020.

The aim of this work was to study the influence of different scion and rootstock combinations on responses of citrus plants to water deficit in greenhouse. The experimental design was formed by randomized blocks with five replications in the fallowing factorial scheme: five scion varieties; two rootstocks; and two hydro regimes. 'Poncã' tangerine is the scion variety more sensible to water deficit, expressed by leaf water potential, when grafted on 'Swingle' citrumelo. Under severe water deficit, the scion varieties grafted on 'Rangpur' lime present greater development of citric plants scion compared to 'Swingle' citrumelo.

Palavras-chave : Citrus; water stress; tolerance; grafted plants.

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