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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Norte / UEP-Parnaíba. |
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Data corrente: |
30/09/1997 |
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Data da última atualização: |
30/09/1997 |
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Autoria: |
FITZPATRICK, R. W.; COX, J. W.; FRITSCH, E.; HOLLINGSWORTH, I. D. |
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Título: |
A soil-diagnostic key to manage saline and waterlogged catchments in the Mt Lofty Ranges, South Australia. |
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Ano de publicação: |
1994 |
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Fonte/Imprenta: |
Soil Use and Management, v.10, p.145-152, 1994. |
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Idioma: |
Inglês |
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Conteúdo: |
Dryland salinity in the Mt Lofty Ranges, South Australia has developed as a result of native vegetation being replaced with pastures that use less water. Groundwaters have risen and mobilized ions (Sodium, chloride, suphate and iron) stored within deeply weathered micaceous sandstones and schists. Salinity resulting from sodium chloride is common in agricultural catchments around Australia, but saline sulphidic soils (with suphate and iron) have only been studied in South Australia. Salinity is also associated with waterlogging and secondary sodicity. The amelioration of dryland salinity and watermelogging involves management of whole catchments, not just the area that is currently saline. It is imperative that all processes operating in saline catchments and their interactions are clearly understood. Salinity, waterlogging, sodicity, sulphidization and water erosion were studied in four subcatchments in the Mt Lofty Ranges. Grey (Bleached) and yellow mottles (iron depletions) or black and red stains (iron concentrations) develop under certain conditions of water saturation, salinization, sulphidization, solidification and water erosion in surface and subsurface horizons. The amounts of these diagnostic features were used to develop a farm planning key for managing saline catchments in the Mt Lofty Ranges. Using soil diagnostic features, soil-water processes in saline catchments are easily identification by farmers and land managers. |
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Palavras-Chave: |
Diagnostic key; Manage; Saline; Waterlogged. |
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Thesagro: |
Diagnostico; Manejo; Salinidade; Solo. |
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Thesaurus Nal: |
soil. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02159naa a2200265 a 4500
001 1079018
005 1997-09-30
008 1994 bl --- 0-- u #d
100 1 $aFITZPATRICK, R. W.
245 $aA soil-diagnostic key to manage saline and waterlogged catchments in the Mt Lofty Ranges, South Australia.
260 $c1994
520 $aDryland salinity in the Mt Lofty Ranges, South Australia has developed as a result of native vegetation being replaced with pastures that use less water. Groundwaters have risen and mobilized ions (Sodium, chloride, suphate and iron) stored within deeply weathered micaceous sandstones and schists. Salinity resulting from sodium chloride is common in agricultural catchments around Australia, but saline sulphidic soils (with suphate and iron) have only been studied in South Australia. Salinity is also associated with waterlogging and secondary sodicity. The amelioration of dryland salinity and watermelogging involves management of whole catchments, not just the area that is currently saline. It is imperative that all processes operating in saline catchments and their interactions are clearly understood. Salinity, waterlogging, sodicity, sulphidization and water erosion were studied in four subcatchments in the Mt Lofty Ranges. Grey (Bleached) and yellow mottles (iron depletions) or black and red stains (iron concentrations) develop under certain conditions of water saturation, salinization, sulphidization, solidification and water erosion in surface and subsurface horizons. The amounts of these diagnostic features were used to develop a farm planning key for managing saline catchments in the Mt Lofty Ranges. Using soil diagnostic features, soil-water processes in saline catchments are easily identification by farmers and land managers.
650 $asoil
650 $aDiagnostico
650 $aManejo
650 $aSalinidade
650 $aSolo
653 $aDiagnostic key
653 $aManage
653 $aSaline
653 $aWaterlogged
700 1 $aCOX, J. W.
700 1 $aFRITSCH, E.
700 1 $aHOLLINGSWORTH, I. D.
773 $tSoil Use and Management$gv.10, p.145-152, 1994.
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Registro original: |
Embrapa Meio Norte / UEP-Parnaíba (CPAMN-UEPP) |
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Biblioteca |
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Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
21/03/2023 |
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Data da última atualização: |
19/07/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 4 |
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Autoria: |
SANTOS, C. V. dos; MENEZES, C. B. de; SILVA, K. J. da; SILVA, C. H. T. e; REIS, I. M. D.; MIRANTE, P. S.; TARDIN, F. D.; BORÉM, A. |
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Afiliação: |
CRISLENE VIEIRA DOS SANTOS, Universidade Federal de Viçosa; CICERO BESERRA DE MENEZES, CNPMS; KARLA JORGE DA SILVA; CELSO HENRIQUE TUMA E SILVA, Sakata Seed Sudamerica; IASMIN MARRONY DAMASCENO REIS, Universidade Federal de São João del-Rei; PAULA SILVA MIRANTE, Universidade Federal de São João del-Rei; FLAVIO DESSAUNE TARDIN, CNPMS; ALUÍZIO BORÉM, Universidade Federal de Viçosa. |
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Título: |
Heterosis and inbreeding depression in grain sorghum hybrids. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Revista Brasileira de Milho e Sorgo, v. 22, e1286, 2023. |
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DOI: |
https://doi.org/10.18512/rbms2023v22e1286 |
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Idioma: |
Inglês |
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Conteúdo: |
This study aimed to estimate the heterosis, heterobeltiosis, and inbreeding depression in grain sorghum hybrids. Twenty-five hybrids were evaluated in two seasons. The evaluated traits were days to flowering (FL), plant height (PH), grain yield (GY), and thousand grains mass (M1000). The contrast tested were F1 hybrids vs. check cultivars, F1 hybrids vs. parental lines, and F1 hybrids vs. F2 hybrids. The hybrids 1167048, 1099044, 1170017, and 1169054 had a five-day less flowering time than their parental lines. The hybrid 1170017 had a high grain yield (6.23 t ha-1) with 43.55% of heterobeltiosis. The diversity between lines was narrow. However, hybrids with higher grain yield, heterosis, and heterobeltiosis showed higher genetic distances from their parental lines. The inbreeding depression between F1 vs. F2 was 30%, indicating that using F1 hybrids seeds is worthwhile. |
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Palavras-Chave: |
Heterobeltiose. |
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Thesagro: |
Hibrido; Melhoramento Vegetal; Sorgo. |
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Thesaurus NAL: |
Plant breeding. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1152551/1/Heterosis-and-inbreeding-depression-in-grain-sorghum-hybrids.pdf
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Marc: |
LEADER 01678naa a2200277 a 4500
001 2152551
005 2023-07-19
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.18512/rbms2023v22e1286$2DOI
100 1 $aSANTOS, C. V. dos
245 $aHeterosis and inbreeding depression in grain sorghum hybrids.$h[electronic resource]
260 $c2023
520 $aThis study aimed to estimate the heterosis, heterobeltiosis, and inbreeding depression in grain sorghum hybrids. Twenty-five hybrids were evaluated in two seasons. The evaluated traits were days to flowering (FL), plant height (PH), grain yield (GY), and thousand grains mass (M1000). The contrast tested were F1 hybrids vs. check cultivars, F1 hybrids vs. parental lines, and F1 hybrids vs. F2 hybrids. The hybrids 1167048, 1099044, 1170017, and 1169054 had a five-day less flowering time than their parental lines. The hybrid 1170017 had a high grain yield (6.23 t ha-1) with 43.55% of heterobeltiosis. The diversity between lines was narrow. However, hybrids with higher grain yield, heterosis, and heterobeltiosis showed higher genetic distances from their parental lines. The inbreeding depression between F1 vs. F2 was 30%, indicating that using F1 hybrids seeds is worthwhile.
650 $aPlant breeding
650 $aHibrido
650 $aMelhoramento Vegetal
650 $aSorgo
653 $aHeterobeltiose
700 1 $aMENEZES, C. B. de
700 1 $aSILVA, K. J. da
700 1 $aSILVA, C. H. T. e
700 1 $aREIS, I. M. D.
700 1 $aMIRANTE, P. S.
700 1 $aTARDIN, F. D.
700 1 $aBORÉM, A.
773 $tRevista Brasileira de Milho e Sorgo$gv. 22, e1286, 2023.
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Embrapa Milho e Sorgo (CNPMS) |
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