1997
DOI: 10.1080/00103629709369887
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Valencia orange DRIS norms for Venezuela

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Cited by 23 publications
(17 citation statements)
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“…Citrus volkameriana induced higher Fe-deficiency tolerance than Cleopatra mandarin, when used as rootstocks combined with sweet orange scions. DRIS norms were developed for 'Valencia' sweet orange for a plant population with different plant ages, on various rootstocks, at several regions of the four most important citrus producing States of Venezuela (Rodriguez et al, 1997). The reference population was obtained through the selection of the 20% most productive plants.…”
Section: -Application Of Dris Methods To Fruit Cropsmentioning
confidence: 99%
“…Citrus volkameriana induced higher Fe-deficiency tolerance than Cleopatra mandarin, when used as rootstocks combined with sweet orange scions. DRIS norms were developed for 'Valencia' sweet orange for a plant population with different plant ages, on various rootstocks, at several regions of the four most important citrus producing States of Venezuela (Rodriguez et al, 1997). The reference population was obtained through the selection of the 20% most productive plants.…”
Section: -Application Of Dris Methods To Fruit Cropsmentioning
confidence: 99%
“…These results were also found by Nick (1998), calculating DRIS norms in coffee. Therefore, general DRIS norms (Rodriguez et al, 1997;Santos, 1997), in spite of being more extended, may present less application when applied in specific conditions such as those of the present work.…”
Section: Resultsmentioning
confidence: 81%
“…Under high salinity conditions, DRIS was not efficient to indicate if the nutritional deficiency was caused by high salinity or lack of fertilizers. Rodriguez et al (1997) developed DRIS norms for 'Valencia' sweet orange, considering differences in plant age and in rootstock, in several regions within the four more important States in Venezuela. Standard population was selected in a group of the top-20%-yielding trees.…”
Section: Dris (Diagnosis and Recommendation Integratedmentioning
confidence: 99%
“…Rodriguez et al (1997), na definição de normas DRIS com relação à laranjeira Valência , na Venezuela, não encontraram diferenças ou influência dos porta-enxertos limoeiro Volkameriano e tangerina Cleópatra . Entretanto, a influência do porta-enxerto na composição mineral das folhas de laranjeira Valência já é conhecida e foi pesquisada (Wutscher, 1982).…”
Section: Resultsunclassified
“…Pesquisas realizadas nos Estados Unidos, África do Sul, Espanha e Venezuela relatam investigações sobre DRIS em citros (Wallace, 1990;Beverly, 1992;Woods & Villiers, 1992;Cerda et al, 1995;Moreno et al, 1996;Rodriguez et al, 1997). No Brasil, Bataglia (1989) ressaltou que esse método pode ser uma alternativa para a diagnose nutricional de citros, mas que deve ser utilizado em conjunto com os demais critérios de diagnose.…”
Section: Introductionunclassified