Ocorrência de declínio dos citros na região Noroeste do Paraná

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DOI: 10.1590/S0100-29452011000100035

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摘要: Citrus blight is a vascular abnormality that affects tree production. It still under debate if it has biotic or abiotic causes. Although been detected since 1979 affecting plants in orchards of the State Sao Paulo, its occurrence was not confirmed certain citrus producing areas Brazil. The objective present study to confirm by diagnostic tests area northwestern region state Parana. done at one experimental orchard with 'Valencia' sweet orange (Citrus sinensis L. Osb.) grafted on 'Rangpur' lime (C. limonia Osb.), planted 1994 and located Nova Esperanca county. zinc content trunk plant injection water presence blight. symptoms decline were characterized small, opaque less turgid leaves, reduction new sprout flushes, twig dieback, crop production smaller fruits. first observed seven years after planting time fifteen reached 31% all plants.

参考文章(10)
R. H. Young, M. Cohen, H. K. Wutscher, Zinc and water-soluble phenolic levels in the wood for the diagnosis of citrus blight. Plant disease reporter. ,vol. 61, pp. 572- 576 ,(1977)
R. H. Young, L. G. Albrigo, Phloem zinc accumulation in citrus trees affected with blight. Hortscience. ,vol. 16, pp. 158- 160 ,(1981)
D. P. H. Tucker, Experimental Transmission of Citrus Blight Plant Disease. ,vol. 68, pp. 979- 980 ,(1984) , 10.1094/PD-69-979
Ricardo Braga Baldassari, Antonio de Goes, Fernando Tannuri, Declínio dos citros: algo a ver com o sistema de produção de mudas cítricas? Revista Brasileira De Fruticultura. ,vol. 25, pp. 357- 360 ,(2003) , 10.1590/S0100-29452003000200047
Walter T. Swingle, Herbert J. Webber, The Principal Diseases of Citrous Fruits in Florida ,(2017)
K. S. Derrick, J. H. Graham, L. G. Albrigo, D. P. H. Tucker, L. W. Timmer, Failure to Transmit Citrus Blight by Limb Grafts International Organization of Citrus Virologists Conference Proceedings (1957-2010). ,vol. 12, ,(1993)
Mário Miyazawa, Fábio Prata, Marcos Antonio Pavan, Takashi Muraoka, Carlos Alberto Simoes do Carmo, NJ Mello, None, Análises químicas de tecido vegetal Manual de análises químicas de solos, plantas e fertilizantes. pp. 370- ,(1999)
R. D. Berger, Cause and control of citrus blight Laranja. ,vol. 19, pp. 91- 105 ,(1998)