Data/hora: 07/06/2024 08:28:47

Biblioteca(s): | Embrapa Mandioca e Fruticultura.
Data corrente: | 22/05/1997
Data da última atualização: | 22/05/1997
Autoria: | HE, C. X.; CIAPINA, L. P.; DONADIO, L. C. LI, W. B.; LEMOS, E. G. M.
Afiliação: | FCAV-UNESP.
Título: | Eric-pcr for early detection of bacterium (Xylella fastidiosa) of citrus variegated chlorosis
Ano de publicação: | 1996
Fonte/Imprenta: | Curitiba, PR: IAPAR/SBF, 1996
Páginas: | p.447
Idioma: | Inglês
Notas: | In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 14. REUNIAO INTERAMERICANA DE HORTICULTURA TROPICAL, 42, 1996, Curitiba, PR.
Conteúdo: | Citrus variegated chlorosis (CVC) caused by a Gram-negative bacterium Xylella fastidiosa. Since it is graft-and vector-transmissible, the disease threatens to spread into all of South, Central and North America. It is in need to develop and early diagnosis of the disease. Enterobacterial repetitive intergenic conssensus (ERIC) sequences in conjunction with the polymerase chain reaction techniques (PCR) was developed and used to detect the pathogen of CVC. It was proved that the ERIC-PCR technique is a powerful tool for early detection of the bacteria in the assymptomatic plants affected by CVC. The bacteria of CVC Xylella fastidiosa from the assymptomatic seedlings with artificial inoculation of trifoliate orange (P. trifoliata (L.) Raf.), Troyer citrange (C. sinensis x P. trifoliata), Swingle citrumelo (C. paradisi x P. trifoliata), and assymptomatic citrus nursery trees and plants in orchards were detected by the ERIC-PCR technique. Some differences of the bacterium DNA patterns were observed, suggesting that Xylella fastidiosa of CVC should have various in Brazil.
Palavras-Chave: | Citros; Citrus sp; Congress; Congresso; CVC; Disease; Mudas; Seedling; Sweet oranges.
Thesagro: | Bactéria; Citrus Sinensis; Doença; Laranja Doce; Poncirus Trifoliata; Xylella Fastidiosa.
Thesaurus Nal: | Citrus; Poncirus.
Categoria do assunto: | --
Registro original: | Embrapa Mandioca e Fruticultura (CNPMF)
Exemplares: | CNPMF - (13837-1) - ADD - PL - -- - 634.0406081 - C444r - 1996000097 - DIS