Data/hora: 09/06/2024 07:10:22

Biblioteca(s): 	Embrapa Arroz e Feijão; Embrapa Soja.	
Data corrente: 	24/06/2002	
Data da última atualização: 	25/04/2018	
Autoria: 	SEIFERT, A. L.; ALMEIDA, L. A. de; KIIHL, R. A. de S.	
Afiliação: 	ADILSON LUIZ SEIFERT, UEL; LEONES ALVES DE ALMEIDA, CNPSo; ROMEU AFONSO DE SOUZA KIIHL, CNPSo.	
Título: 	Genetic studies of a male-sterile, female-fertile soybean mutant.	
Ano de publicação: 	2001	
Fonte/Imprenta: 	Crop Breeding and Applied Biotechnology, Londrina, v. 1, n. 4, p. 373-376, 2001.	
Idioma: 	Inglês	
Conteúdo: 	Studies on a new spontaneous male-sterile / female-fertile soybean mutant identified by the Embrapa Soybean breeding program were carried out in Londrina, PR. The mutant showing segregation for male-sterility (BR93-12879) was selected within F4 progeny lines derived from the IAS-5 (3) X OCEPAR 9-SS1 cross performed in 1993. The F1 , F2 and F3 generations of cross among heterozygous plants of the BR93-12879 line and recessive homozygous plants (male-sterile) of the T 266H (ms1ms1), T 259H (ms2ms2 ), T 273H (ms3ms3), T274H (ms4ms4), T 277H (ms5ms5) and T 295H (ms6ms6) lines were studied to identify whether the new mutationis conditioned by a new allele or by a mutation in one of the six loci already described in the literature. The F1, F2 and F3 plants from the crosses were visually classified as male-sterile or male-fertile. Results from the allele test and inheritance study among the mutant genotype and the recessive homozygous male-sterile lines (ms1, ms2, ms3, ms4, ms5 and ms6 ) showed that a single recessive gene controls the male-sterile trait of BR93-12879. This gene is allele to the already described ms1 -gene and resulted from a genetic mutation in the ms-loci.	
Palavras-Chave: 	Fêmea estéril; Fêmea-fértil; Macho estéril; Macho-estéril.	
Thesagro: 	Genética; Glycine Max; Melhoramento; Mutante; Soja.	
Thesaurus Nal: 	genetics.	
Categoria do assunto: 	--	
URL: 	http://ainfo.cnptia.embrapa.br/digital/bitstream/item/176012/1/bd6b9012-2d08-3def.pdf	
Registro original: 	Embrapa Soja (CNPSO)	
Exemplares: 	CNPAF - (19362-1) - ADD - AP - -- - 631.05 - C - 2001.00041 - DIS
CNPSO - (18822-1) - UPC - AP - PP -  -  -  - DIS