tailieunhanh - Báo cáo hóa học: " Widespread distribution and a new recombinant species of Brazilian virus associated with cotton blue disease"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Widespread distribution and a new recombinant species of Brazilian virus associated with cotton blue disease | Virology Journal BioMed Central Research Widespread distribution and a new recombinant species of Brazilian virus associated with cotton blue disease TF Silva1 2 RL Corrêa1 Y Castilho1 2 P Silvie3 4 J-L Bélot3 4 and MFS Vaslin 1 Open Access Address 1Laboratório de Virologia Molecular Vegetal Depto. Virologia IMPPG Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil 2Departamento de Genética I. Biologia UFRJ Rio de Janeiro Brazil 3Centre de Coopération Internationale en Recherche Agronomique pour le Développement CIRAD Brazil Brasilia DF Brazil and 4Current Address IRD Institut de Recherche pour le Développement CIRAD Centre de Coopération Internationale en Recherche Agronomique pour le Développement UR Systèmes de culture annuels URSCA Montpellier F 34398 France Email TF Silva - tatianedafranca@ RL Corrêa - regislcorrea@ Y Castilho - yamacastilho@ P Silvie - psilvie@ J-L Bélot - MFS Vaslin - mvaslin@ Corresponding author Published 20 October 2008 Received 30 September 2008 __ J- .IA I r n- Accepted 20 October 2008 Virology Journal 2008 5 123 doi 1743-422X-5-123 This article is available from http content 5 1 123 2008 Silva et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background Cotton blue disease CBD an important global cotton crop pathology responsible for major economic losses is prevalent in the major cotton-producing states of Brazil. Typical CBD symptoms include stunting due to internodal shortening leaf rolling intense green foliage and yellowing veins. Atypical CBD symptoms including reddish and withered leaves were also observed in Brazilian cotton fields in