Detection and partial characterization of a carlavirus causing stem necrosis of soybean in Brazil
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Data
2005-04-01
Autores
Almeida, Álvaro M. R.
Piuga, Fernanda F.
Marin, Silvana R.R.
Kitajima, Elliot W.
Gaspar, José O. [UNESP]
Oliveira, Thalita G. de
Moraes, Tanara G. de
Título da Revista
ISSN da Revista
Título de Volume
Editor
Sociedade Brasileira de Fitopatologia
Resumo
No ano agrícola de 2000/2001, ocorreu um surto de nanismo e necrose da haste em soja (Glycine max) plantada em duas áreas do Brasil Central e na safra seguinte, esta anomalia foi constatada em outras regiões produtoras, mesmo distantes mais de 2.000 km de onde fora inicialmente constatada. Estudos envolvendo ensaios de transmissão (enxertia, mecânica e insetos vetores), microscopia eletrônica, purificação, sorologia e ensaios moleculares indicaram que a enfermidade foi causada por um carlavirus transmitido por mosca branca, possivelmente relacionado ao Cowpea mild mottle virus (CpMMV).
Stunting and stem necrosis were noticed in soybeans (Glycine max) grown in 2000/2001 in West Central Brazil the same condition was also observed in the following year in plantations as far as 2,000 km from the initial area. Based on transmission (mechanical, graft, insect vector), purification and serology, electron microscopy and molecular studies the causal agent was determined to be a whitefly-borne carlavirus which is possibly related to Cowpea mild mottle virus (CpMMV).
Stunting and stem necrosis were noticed in soybeans (Glycine max) grown in 2000/2001 in West Central Brazil the same condition was also observed in the following year in plantations as far as 2,000 km from the initial area. Based on transmission (mechanical, graft, insect vector), purification and serology, electron microscopy and molecular studies the causal agent was determined to be a whitefly-borne carlavirus which is possibly related to Cowpea mild mottle virus (CpMMV).
Descrição
Palavras-chave
Cowpea mild mottle virus, mosca-branca, Bemisia tabaci biotipo B., Cowpea mild mottle virus, whitefly, Bemisia tabaci biotype B.
Como citar
Fitopatologia Brasileira. Sociedade Brasileira de Fitopatologia, v. 30, n. 2, p. 191-194, 2005.