Data/hora: 13/06/2024 00:49:37

Biblioteca(s): 	Embrapa Mandioca e Fruticultura.	
Data corrente: 	14/10/1998	
Data da última atualização: 	14/10/1998	
Autoria: 	GARNSEY, S. M.; GUMPF, D. J.; ROISTACHER, C. N.; CIVEROLO, E. L.; LEE, R. F.; YOKOMI, R. K.; BAR-JOSEPH, M.	
Título: 	Toward a standardized evaluation of the biological properties of citrus tristeza virus	
Ano de publicação: 	1987	
Fonte/Imprenta: 	Phytophylactica, v.19, p.151-157, 1987.	
Idioma: 	Inglês	
Conteúdo: 	Citrus tristeza virus (CTV) isolates vary markedly in the effects theycause. They are also not equally severe in all hosts. There are three major disease syndromes: decline,stem pitting, and seedling yellows. Differences in environment, hosts, evaluation systems, and terminologyhave created uncertainty about relative severity of CTV isolates from different areas. To overcome these problems, a standardized host-range test (SHR) was developed. It incorporated a weighted scoring of symptoms in five indicator species and measured all three major CTV disease syndromes. The indicators used were "Mexican" lime, sour orange, "Duncan" grapefruit, "Madam Vinous" sweet orange and a grafted combination of navel sweet orange on sour orange rootstock.	
Palavras-Chave: 	Biological properties; Indexing; Seedling yellows; Stem pittting.	
Thesaurus Nal: 	Citrus tristeza virus.	
Categoria do assunto: 	--	
Registro original: 	Embrapa Mandioca e Fruticultura (CNPMF)	
Exemplares: 	CNPMF - (17115-1) - ADD - SP - -- - S11324 -  - S11324 - DIS