Navelina ISA 315: A cultivar resistant to citrus variegated chlorosis |
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| Institution: | 1. Escola Superior de Agricultura “Luiz de Queiroz”, Universidade de São Paulo (ESALQ/USP), Av. Pádua Dias, 11, Piracicaba, 13418-900, São Paulo, Brazil;2. Estação Experimental de Citricultura de Bebedouro, Rodovia Brigadeiro Faria Lima, km 384, Bebedouro, São Paulo, Brazil;3. Centro APTA Citros Sylvio Moreira, Rodovia Anhanguera km 158, Cordeirópolis, São Paulo, Brazil;4. Unidad de Biotecnología, Estación Experimental Wilson Ferreira Aldunate, INIA Las Brujas Dirección: km 10 de la Ruta 48, Rincón del Colorado, Uruguay;1. Department of Physics, RTM Nagpur University, Nagpur 440033, India;2. Datta Meghe Institute of Engineering Technology and Research, Sawangi (Meghe), Wardha, MS, India;1. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, PR China;2. Otto Schott Institute of Materials Research, Friedrich-Schiller University Jena, Jena 07743, Germany;1. Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan 430070 Hubei, China;2. State Key Laboratory of Crop Stress Biology for Arid Areas, College of Horticulture, Northwest A&F University, Yangling 712100 Shaanxi, China;3. College of Agronomy, Jiangxi Agricultural University, Nanchang 330045 Jiangxi, China;1. Instituto Agroforestal Mediterráneo, Universitat Politécnica de Valéncia, E-46022 Valencia, Spain;2. Instituto Valenciano de Investigaciones Agrarias (IVIA), Generalitat Valenciana, Moncada, E-46113 Valencia, Spain;1. Department of Chemical Engineering, Ferdowsi University of Mashhad, Mashhad 9177948944, Iran;2. Department of Chemistry, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran |
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| Abstract: | Citrus variegated chlorosis (CVC), caused by Xylella fastidiosa, is a bacterial disease of great importance to the Brazilian citrus industry. CVC is transmitted by grafting and by leafhoppers of the Cicadellidae and Cercopidae families. There is little information about CVC tolerant sweet orange cultivars (Citrus sinensis L. Osbeck). However, previous studies have indicated some resistance to CVC in the ‘Navelina ISA 315’ cultivar. Based on such information, this study has been carried out to determine the resistance of ‘Navelina ISA 315’ to CVC observing disease symptoms in the field and in the greenhouse, associated with the presence and quantitation of X. fastidiosa in plant tissue by PCR and quantitative real time PCR (qPCR). In agreement with previous information, the results show that ‘Navelina ISA 315’ is resistant to CVC, on the grounds that almost no symptoms and low bacterial concentrations were found. |
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| Keywords: | Symptoms Susceptibility |
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