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dc.contributor.authorMOTTA, A. C. V.
dc.contributor.authorMAEDA, S.
dc.contributor.authorRODRIGUES, V. dos S. dos S.
dc.contributor.authorERCOLE, T. M.
dc.contributor.authorPRIOR, S. A.
dc.contributor.authorBRUMAT, A. E. L.
dc.contributor.authorMOURA, A. P. C.
dc.contributor.authorBARBOSA, J. Z.
dc.contributor.authorGOMES, J. B. V.
dc.date.accessioned2023-12-27T13:32:50Z-
dc.date.available2023-12-27T13:32:50Z-
dc.date.created2023-12-27
dc.date.issued2023
dc.identifier.citationJournal of Forestry Research, v. 35, article number 24, p. 1-13, 2024.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1160247-
dc.descriptionAbstract Needle chlorosis (NC) in Pinus taeda L. systems in Brazil becomes more frequent after second and third harvest rotation cycles. In a study to identify factors contribut- ing to yellowing needle chorosis (YNC), trees were grown in soils originating from contrasting parent materials, and soils and needles (whole, green and chlorotic portions) from 1- and 2-year-old branches and the first and second needle flush release at four sites with YNC on P. taeda were analyzed for various elements and properties. All soils had very low base levels (Ca2+ , Mg2+ and K+) and P, suggesting a possible lack of multiple elements. YNC symptoms started at needle tips, then extended toward the needle base with time. First flush needles had longer portions with YNC than second flush needles did. Needles from the lower crown also had more symptoms along their length than those higher in the canopy. Symptoms were similar to those reported for Mg. In chlorotic portions, Mg and Ca concentrations were well below critical values; in particular, Mg levels were only one third of the critical value of 0.3 g kg −1 . Collectively, results suggest that Mg deficiency is the primary reason for NC of P. taeda in various parent soils in Brazil.
dc.language.isopor
dc.rightsopenAccess
dc.subjectNeedle chlorosis
dc.subjectPine foliar analysis
dc.subjectSoil depletion
dc.subjectNutritional deficiency
dc.titleIs magnesium deficiency the major cause of needle chlorosis of Pinus taeda in Brazil?
dc.typeArtigo de periódico
dc.subject.thesagroPinus Taeda
dc.subject.thesagroMagnésio
dc.subject.thesagroNutrição Vegetal
dc.subject.thesagroManejo
dc.subject.thesagroClorose
dc.subject.thesagroDeficiência do Solo
dc.subject.thesagroSolo Florestal
dc.subject.nalthesaurusForest management
dc.subject.nalthesaurusforestrypt_BR
riaa.ainfo.id1160247
riaa.ainfo.lastupdate2023-12-27
dc.identifier.doihttps://doi.org/10.1007/s11676-023-01656-9
dc.contributor.institutionANTÔNIO CARLOS VARGAS MOTTA, FEDERAL UNIVERSITY OF PARANÁ; SHIZUO MAEDA, CNPF; VALDÉCIO DOS SANTOS DOS SANTOS RODRIGUES, FEDERAL UNIVERSITY OF PARANÁ; TAMIRES MAIARA ERCOLE, FEDERAL UNIVERSITY OF PARANÁ; STEPHEN ARTHUR PRIOR, UNITED STATES DEPARTMENT OF AGRICULTURE-AGRICULTURAL RESEARCH SERVICE; ANA ELISA LYRA BRUMAT, FEDERAL UNIVERSITY OF PARANÁ; AMANDA PACHECO CARDOSO MOURA, REFORESTATION REMASA; JULIERME ZIMMER BARBOSA, FEDERAL INSTITUTE OF SOUTHEAST OF MINAS GERAIS; JOAO BOSCO VASCONCELLOS GOMES, CNPF.
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