Evidence of apomixis in cassava (Manihot esculenta Crantz)
Autor(a) principal: | |
---|---|
Data de Publicação: | 1998 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UnB |
Texto Completo: | http://repositorio.unb.br/handle/10482/25479 https://dx.doi.org/10.1590/S1415-47571998000400020 |
Resumo: | Apomixis maintains heterosis and avoids transmission of systemic pathogens which accompany vegetative propagation of cassava. An embryonic study of cleared ovules of two cassava clones in toto showed them to be of aposporic nature. Cytogenetic analysis of the two clones revealed an aneuploid structure (2n + 1) in apomictic individuals, whereas it was 2n in the sexually reproduced plants. |
id |
UNB_074cd521d186e74c80a47204323cc2b9 |
---|---|
oai_identifier_str |
oai:repositorio2.unb.br:10482/25479 |
network_acronym_str |
UNB |
network_name_str |
Repositório Institucional da UnB |
repository_id_str |
|
spelling |
Nassar, Nagib M.A.Vieira, Marco André R.Vieira, ClibasGratapaglia, Dario2017-12-07T04:28:35Z2017-12-07T04:28:35Z1998Genet. Mol. Biol.,v.21,n.4,p.-,1998http://repositorio.unb.br/handle/10482/25479https://dx.doi.org/10.1590/S1415-47571998000400020Apomixis maintains heterosis and avoids transmission of systemic pathogens which accompany vegetative propagation of cassava. An embryonic study of cleared ovules of two cassava clones in toto showed them to be of aposporic nature. Cytogenetic analysis of the two clones revealed an aneuploid structure (2n + 1) in apomictic individuals, whereas it was 2n in the sexually reproduced plants.A Apomixia mantém a heterose e evita a transmissão de patógenos sistêmicos que acompanham a propagação vegetativa da mandioca. Um estudo embriônico de ovos clareados de dois clones de mandioca in toto mostrou que eles são de natureza apospórica. A análise citogenética dos 2 clones revelou uma estrutura aneuploide (2n + 1) em indivíduos apomíticos, ao passo que era 2n em plantas reproduzidas sexualmente.Em processamentoSociedade Brasileira de GenéticaEvidence of apomixis in cassava (Manihot esculenta Crantz)info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccessengreponame:Repositório Institucional da UnBinstname:Universidade de Brasília (UnB)instacron:UNBORIGINALARTIGO_EvidenceApomixisCassava.pdfARTIGO_EvidenceApomixisCassava.pdfapplication/pdf318491http://repositorio2.unb.br/jspui/bitstream/10482/25479/1/ARTIGO_EvidenceApomixisCassava.pdfe95a3ff5354ef31cd222a6159e408988MD51open access10482/254792023-10-06 16:05:21.453open accessoai:repositorio2.unb.br:10482/25479Biblioteca Digital de Teses e DissertaçõesPUBhttps://repositorio.unb.br/oai/requestopendoar:2023-10-06T19:05:21Repositório Institucional da UnB - Universidade de Brasília (UnB)false |
dc.title.pt_BR.fl_str_mv |
Evidence of apomixis in cassava (Manihot esculenta Crantz) |
title |
Evidence of apomixis in cassava (Manihot esculenta Crantz) |
spellingShingle |
Evidence of apomixis in cassava (Manihot esculenta Crantz) Nassar, Nagib M.A. |
title_short |
Evidence of apomixis in cassava (Manihot esculenta Crantz) |
title_full |
Evidence of apomixis in cassava (Manihot esculenta Crantz) |
title_fullStr |
Evidence of apomixis in cassava (Manihot esculenta Crantz) |
title_full_unstemmed |
Evidence of apomixis in cassava (Manihot esculenta Crantz) |
title_sort |
Evidence of apomixis in cassava (Manihot esculenta Crantz) |
author |
Nassar, Nagib M.A. |
author_facet |
Nassar, Nagib M.A. Vieira, Marco André R. Vieira, Clibas Gratapaglia, Dario |
author_role |
author |
author2 |
Vieira, Marco André R. Vieira, Clibas Gratapaglia, Dario |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Nassar, Nagib M.A. Vieira, Marco André R. Vieira, Clibas Gratapaglia, Dario |
description |
Apomixis maintains heterosis and avoids transmission of systemic pathogens which accompany vegetative propagation of cassava. An embryonic study of cleared ovules of two cassava clones in toto showed them to be of aposporic nature. Cytogenetic analysis of the two clones revealed an aneuploid structure (2n + 1) in apomictic individuals, whereas it was 2n in the sexually reproduced plants. |
publishDate |
1998 |
dc.date.issued.fl_str_mv |
1998 |
dc.date.accessioned.fl_str_mv |
2017-12-07T04:28:35Z |
dc.date.available.fl_str_mv |
2017-12-07T04:28:35Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
Genet. Mol. Biol.,v.21,n.4,p.-,1998 |
dc.identifier.uri.fl_str_mv |
http://repositorio.unb.br/handle/10482/25479 |
dc.identifier.doi.pt_BR.fl_str_mv |
https://dx.doi.org/10.1590/S1415-47571998000400020 |
identifier_str_mv |
Genet. Mol. Biol.,v.21,n.4,p.-,1998 |
url |
http://repositorio.unb.br/handle/10482/25479 https://dx.doi.org/10.1590/S1415-47571998000400020 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Genética |
publisher.none.fl_str_mv |
Sociedade Brasileira de Genética |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UnB instname:Universidade de Brasília (UnB) instacron:UNB |
instname_str |
Universidade de Brasília (UnB) |
instacron_str |
UNB |
institution |
UNB |
reponame_str |
Repositório Institucional da UnB |
collection |
Repositório Institucional da UnB |
bitstream.url.fl_str_mv |
http://repositorio2.unb.br/jspui/bitstream/10482/25479/1/ARTIGO_EvidenceApomixisCassava.pdf |
bitstream.checksum.fl_str_mv |
e95a3ff5354ef31cd222a6159e408988 |
bitstream.checksumAlgorithm.fl_str_mv |
MD5 |
repository.name.fl_str_mv |
Repositório Institucional da UnB - Universidade de Brasília (UnB) |
repository.mail.fl_str_mv |
|
_version_ |
1797405391191015424 |