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Registro Completo |
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Biblioteca(s): |
Embrapa Agropecuária Oeste; Embrapa Amapá; Embrapa Amazônia Ocidental; Embrapa Amazônia Oriental; Embrapa Arroz e Feijão; Embrapa Meio Norte / UEP-Parnaíba; Embrapa Semiárido; Embrapa Unidades Centrais. |
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Data corrente: |
08/11/1993 |
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Data da última atualização: |
13/04/2006 |
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Autoria: |
CAMPOS, I. S.; GOMES, T. C. de A.; ÁVILA PAZ, F. das C. |
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Título: |
Plantio direto do feijão na palha do arroz: alternativa para controle da "Mela do Feijoeiro". |
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Ano de publicação: |
1990 |
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Fonte/Imprenta: |
Rio Branco: EMBRAPA-UEPAE RIO BRANCO, 1990. |
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Páginas: |
4 p. |
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Série: |
(EMBRAPA-UEPAE RIO BRANCO. Comunicado Técnico, 54). |
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Idioma: |
Português |
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Conteúdo: |
Recomendações técnicas para o plantio direto. |
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Palavras-Chave: |
Acre; Bean; Brasil; Control; Controle; Controle de doenca; Direct sowing; Disease; Diseases; Fungus; Mela do feijoeiro; Notill; Palha do arroz; Seeding; Thatephorus cucumeris. |
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Thesagro: |
Arroz; Doença; Doença de planta; Feijão; Fungo; Mela; Palha; Phaseolus Vulgaris; Plantio Direto; Semeadura; Solo; Thanatephorus Cucumeris. |
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Thesaurus Nal: |
beans; Brazil; disease control; fungi; kidney beans; rice; soil; straw. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01465nam a2200577 a 4500
001 1193071
005 2006-04-13
008 1990 bl uuuu u0uu1 u #d
100 1 $aCAMPOS, I. S.
245 $aPlantio direto do feijão na palha do arroz$balternativa para controle da "Mela do Feijoeiro".
260 $aRio Branco: EMBRAPA-UEPAE RIO BRANCO$c1990
300 $a4 p.
490 $a(EMBRAPA-UEPAE RIO BRANCO. Comunicado Técnico, 54).
520 $aRecomendações técnicas para o plantio direto.
650 $abeans
650 $aBrazil
650 $adisease control
650 $afungi
650 $akidney beans
650 $arice
650 $asoil
650 $astraw
650 $aArroz
650 $aDoença
650 $aDoença de planta
650 $aFeijão
650 $aFungo
650 $aMela
650 $aPalha
650 $aPhaseolus Vulgaris
650 $aPlantio Direto
650 $aSemeadura
650 $aSolo
650 $aThanatephorus Cucumeris
653 $aAcre
653 $aBean
653 $aBrasil
653 $aControl
653 $aControle
653 $aControle de doenca
653 $aDirect sowing
653 $aDisease
653 $aDiseases
653 $aFungus
653 $aMela do feijoeiro
653 $aNotill
653 $aPalha do arroz
653 $aSeeding
653 $aThatephorus cucumeris
700 1 $aGOMES, T. C. de A.
700 1 $aÁVILA PAZ, F. das C.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
06/12/2021 |
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Data da última atualização: |
15/12/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
GONÇALVES, A. A.; GARCIA, A. R.; ROLIM FILHO, S. T.; SILVA, J. A. R. DA; MELO, D. N. DE; GUIMARÃES, T. C.; TAVARES, H. R.; SILVA, T. V. G.; SOUZA, E. B. DE; SANTOS, S. DO S. D.; OHASHI, O. M. |
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Afiliação: |
ARNALDO ALGARANHAR GONÇALVES, Federal University of Pará; ALEXANDRE ROSSETTO GARCIA, CPPSE; SEBASTIÃO TAVARES ROLIM FILHO, Federal Rural University of Amazonia; JAMILE ANDRÉA RODRIGUES DA SILVA, Federal Rural University of Amazonia; DAYANA NEVES DE MELO, Federal Rural University of Amazonia; THIAGO CASTRO GUIMARÃES, Federal University of Pará; HÉLITON RIBEIRO TAVARES, Federal University of Pará; THIAGO VELASCO GUIMARÃES SILVA, Federal University of Pará; EDUARDO BAIA DE SOUZA, Federal University of Pará; SIMONE DO SOCORRO DAMASCENO SANTOS, Federal University of Pará; OTÁVIO MITIO OHASHI, Federal University of Pará. |
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Título: |
Scrotal thermoregulation and sequential sperm abnormalities in buffalo bulls (Bubalus bubalis) under short-term heat stress. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Journal of Thermal Biology, v.96, feb. 2021, 102842. |
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Páginas: |
10 p. |
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DOI: |
https://doi.org/10.1016/j.jtherbio.2021.102842 |
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Idioma: |
Inglês |
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Conteúdo: |
Heat stress reduces the reproductive capacity of bulls raised in tropical climate. However, the reestablishment of scrotal thermoregulation and the dynamics of sperm defects emergence after stress are not completely known in buffaloes. Thus, the study aimed to evaluate the effect of short-term heat stress over scrotal thermoregulation and sperm attributes, relating them to spermatogenesis stages. Five buffalo bulls went through scrotal insulation during 48 h (from day 0 to day 2). Semen samples were collected every 7 days (from day - 7 to day 49) and progressive motility, viability, and sperm morphology. Heat stress significantly destabilized scrotal thermoregulation (P < 0.001). Scrotal temperature was from 4.2 to 6.3 C lower than the core body temperature, except on insulation days (P < 0.001), and returned to the basal condition five days after the removal of the stressing stimulus. More significant deleterious effects were observed in sperm morphology than in cell concentration, motility, and viability. The chronology of morphologic defects expression demonstrated tail defects (days 7?14), cytoplasmic droplets (days 14-28), and head defects (day 28), returning to pre-insulation condition 35 days after the thermal challenge. Thus, hyperthermia harmed more intensely spermatozoa in epididymal transit, elongated spermatids, and secondary spermatocytes. It is concluded that water buffalo bulls present a peculiar manifestation of sperm morphology after short-term stress, indicating an important difference related to the bovine species. Therefore, during the andrological evaluation of buffalo bulls, it is necessary to avoid the allometric extrapolation between these species. MenosHeat stress reduces the reproductive capacity of bulls raised in tropical climate. However, the reestablishment of scrotal thermoregulation and the dynamics of sperm defects emergence after stress are not completely known in buffaloes. Thus, the study aimed to evaluate the effect of short-term heat stress over scrotal thermoregulation and sperm attributes, relating them to spermatogenesis stages. Five buffalo bulls went through scrotal insulation during 48 h (from day 0 to day 2). Semen samples were collected every 7 days (from day - 7 to day 49) and progressive motility, viability, and sperm morphology. Heat stress significantly destabilized scrotal thermoregulation (P < 0.001). Scrotal temperature was from 4.2 to 6.3 C lower than the core body temperature, except on insulation days (P < 0.001), and returned to the basal condition five days after the removal of the stressing stimulus. More significant deleterious effects were observed in sperm morphology than in cell concentration, motility, and viability. The chronology of morphologic defects expression demonstrated tail defects (days 7?14), cytoplasmic droplets (days 14-28), and head defects (day 28), returning to pre-insulation condition 35 days after the thermal challenge. Thus, hyperthermia harmed more intensely spermatozoa in epididymal transit, elongated spermatids, and secondary spermatocytes. It is concluded that water buffalo bulls present a peculiar manifestation of sperm morphology after short-term stress, indic... Mostrar Tudo |
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Palavras-Chave: |
Sperm morphology; Spermiogram; Water buffalo. |
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Thesaurus NAL: |
Thermal stress; Thermoregulation. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 02702naa a2200325 a 4500
001 2137118
005 2021-12-15
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.jtherbio.2021.102842$2DOI
100 1 $aGONÇALVES, A. A.
245 $aScrotal thermoregulation and sequential sperm abnormalities in buffalo bulls (Bubalus bubalis) under short-term heat stress.$h[electronic resource]
260 $c2021
300 $a10 p.
520 $aHeat stress reduces the reproductive capacity of bulls raised in tropical climate. However, the reestablishment of scrotal thermoregulation and the dynamics of sperm defects emergence after stress are not completely known in buffaloes. Thus, the study aimed to evaluate the effect of short-term heat stress over scrotal thermoregulation and sperm attributes, relating them to spermatogenesis stages. Five buffalo bulls went through scrotal insulation during 48 h (from day 0 to day 2). Semen samples were collected every 7 days (from day - 7 to day 49) and progressive motility, viability, and sperm morphology. Heat stress significantly destabilized scrotal thermoregulation (P < 0.001). Scrotal temperature was from 4.2 to 6.3 C lower than the core body temperature, except on insulation days (P < 0.001), and returned to the basal condition five days after the removal of the stressing stimulus. More significant deleterious effects were observed in sperm morphology than in cell concentration, motility, and viability. The chronology of morphologic defects expression demonstrated tail defects (days 7?14), cytoplasmic droplets (days 14-28), and head defects (day 28), returning to pre-insulation condition 35 days after the thermal challenge. Thus, hyperthermia harmed more intensely spermatozoa in epididymal transit, elongated spermatids, and secondary spermatocytes. It is concluded that water buffalo bulls present a peculiar manifestation of sperm morphology after short-term stress, indicating an important difference related to the bovine species. Therefore, during the andrological evaluation of buffalo bulls, it is necessary to avoid the allometric extrapolation between these species.
650 $aThermal stress
650 $aThermoregulation
653 $aSperm morphology
653 $aSpermiogram
653 $aWater buffalo
700 1 $aGARCIA, A. R.
700 1 $aROLIM FILHO, S. T.
700 1 $aSILVA, J. A. R. DA
700 1 $aMELO, D. N. DE
700 1 $aGUIMARÃES, T. C.
700 1 $aTAVARES, H. R.
700 1 $aSILVA, T. V. G.
700 1 $aSOUZA, E. B. DE
700 1 $aSANTOS, S. DO S. D.
700 1 $aOHASHI, O. M.
773 $tJournal of Thermal Biology$gv.96, feb. 2021, 102842.
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Registro original: |
Embrapa Pecuária Sudeste (CPPSE) |
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