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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
30/05/1996 |
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Data da última atualização: |
30/05/1996 |
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Autoria: |
THOMPSON, P. A.; SMITH, R. D.; DICKIE, J. B.; SANDERSON, R. H.; PROBERT, R. J. |
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Título: |
Collection and regeneration of populations of wild plants from seed. |
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Ano de publicação: |
1981 |
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Fonte/Imprenta: |
Biological Conservation, v.20, p.229-245, 1981. |
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Idioma: |
Inglês |
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Conteúdo: |
Four methods of obtaining seeds of wild species of plants for long-term conservation in gene Banks were compared. (a) From collections growing within botanic gardens; (b) by making sample collections from wild populations and bulking up stocks by regeneration under cultivation; (c) by making arrangements with external collectors; (d) by organising plant collecting expeditions. Collections from plants in botanic garderns were unsatisfactory material on which to base collections. Regeneration under cultivation depends on exp[ertise and knowledge of the plant's cultural requirements which were frequently not available, leading to unacceptably heavy losses of individuals and selection of populations, during cultivation. Collecting seeds directly from populations of wild plants was, scientifically, the most successful method and costings showed it also to be economically the least demanding of resources. The results suggest that, except in special cases - perhaps with rare plants where natural populations are small-every effort should be made to obtain initial collections of seed which are large enough to fulfil all the purpose intended by long-term conservation. Collections of small numbers of seeds which require bulking up before they can be used should be avoided, as a waste of effort, time and plant resources. |
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Palavras-Chave: |
Regeneration; Seed. |
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Thesagro: |
Planta Silvestre; População; Regeneração; Semente. |
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Thesaurus Nal: |
population; wild plants. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02014naa a2200265 a 4500
001 1788904
005 1996-05-30
008 1981 bl --- 0-- u #d
100 1 $aTHOMPSON, P. A.
245 $aCollection and regeneration of populations of wild plants from seed.
260 $c1981
520 $aFour methods of obtaining seeds of wild species of plants for long-term conservation in gene Banks were compared. (a) From collections growing within botanic gardens; (b) by making sample collections from wild populations and bulking up stocks by regeneration under cultivation; (c) by making arrangements with external collectors; (d) by organising plant collecting expeditions. Collections from plants in botanic garderns were unsatisfactory material on which to base collections. Regeneration under cultivation depends on exp[ertise and knowledge of the plant's cultural requirements which were frequently not available, leading to unacceptably heavy losses of individuals and selection of populations, during cultivation. Collecting seeds directly from populations of wild plants was, scientifically, the most successful method and costings showed it also to be economically the least demanding of resources. The results suggest that, except in special cases - perhaps with rare plants where natural populations are small-every effort should be made to obtain initial collections of seed which are large enough to fulfil all the purpose intended by long-term conservation. Collections of small numbers of seeds which require bulking up before they can be used should be avoided, as a waste of effort, time and plant resources.
650 $apopulation
650 $awild plants
650 $aPlanta Silvestre
650 $aPopulação
650 $aRegeneração
650 $aSemente
653 $aRegeneration
653 $aSeed
700 1 $aSMITH, R. D.
700 1 $aDICKIE, J. B.
700 1 $aSANDERSON, R. H.
700 1 $aPROBERT, R. J.
773 $tBiological Conservation$gv.20, p.229-245, 1981.
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Registro original: |
Embrapa Pantanal (CPAP) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
23/11/2012 |
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Data da última atualização: |
18/05/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
RESENDE, R. S.; RODRIGUES, F. A.; COSTA, R. V.; SILVA, D. D. |
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Afiliação: |
RODRIGO VERAS DA COSTA, CNPMS; DAGMA DIONISIA DA SILVA, CNPMS. |
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Título: |
Silicon and fungicide effects on anthracnose in moderately resistant and susceptible sorghum lines. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Journal of Phytopathology, Berlin, v. 161, n. 1, p. 11-17, Jan. 2013. |
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DOI: |
10.1111/jph.12020 |
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Idioma: |
Inglês |
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Conteúdo: |
This study aimed to evaluate the effect of silicon (Si) and its interaction with fungicide on the management of sorghum anthracnose. The experiments were carried out in Si-deficient soil in the 2008/2009 and 2009/2010 growing seasons in a randomized, complete block, split-split plot design with four replications. Calcium silicate (CS) and lime (L), at the rates of 6 and 5 ton/ha, respectively, were randomly assigned to the main plot. Two sorghum lines, BR-008 (resistant) and BR-009 (susceptible), were assigned to the split plots. The split-split plots corresponded to with or without the fungicide Opera® (epoxiconazole+pyraclostrob-in). The residual effect of CS and L from the 2008/2009 growing season was evaluated in the 2009/2010 growing season. For the 2008/2009 growing season, the area under anthracnose progress curve (AUAPC) was reduced by 39 and 42% for lines BR-008 and BR-009, respectively, with the application of CS. In the presence of the fungicide, the AUAPC was reduced by 35 and 42% for the CS and L treatments, respectively. Calcium silicate with and without fungicide contributed to decreasing the AUAPC by 44 and 37%, respectively. The fungicide spray decreased the AUAPC by 50 and 39% for lines BR-008 and BR-009, respectively. Without fungicide, the AUAPC decreased by 88% for line BR-008 compared with line BR-009; however, with fungicide, the reduction reached 90%. The Si leaf tissue concentration significantly increased with the CS application (5.9 g/kg) compared with the L application (0.3 g/kg), regardless of the sorghum line. The yield increased by 0.6 ton/ha with the CS compared to the L application. The fungicide increased yield by 0.48 ton/ha compared with the non-fungicide spray treatment. The residual effect of CS in the soil increased Si leaf tissue concentration and yield as well as reduced the intensity of anthracnose in the 2009/2010 growing season. MenosThis study aimed to evaluate the effect of silicon (Si) and its interaction with fungicide on the management of sorghum anthracnose. The experiments were carried out in Si-deficient soil in the 2008/2009 and 2009/2010 growing seasons in a randomized, complete block, split-split plot design with four replications. Calcium silicate (CS) and lime (L), at the rates of 6 and 5 ton/ha, respectively, were randomly assigned to the main plot. Two sorghum lines, BR-008 (resistant) and BR-009 (susceptible), were assigned to the split plots. The split-split plots corresponded to with or without the fungicide Opera® (epoxiconazole+pyraclostrob-in). The residual effect of CS and L from the 2008/2009 growing season was evaluated in the 2009/2010 growing season. For the 2008/2009 growing season, the area under anthracnose progress curve (AUAPC) was reduced by 39 and 42% for lines BR-008 and BR-009, respectively, with the application of CS. In the presence of the fungicide, the AUAPC was reduced by 35 and 42% for the CS and L treatments, respectively. Calcium silicate with and without fungicide contributed to decreasing the AUAPC by 44 and 37%, respectively. The fungicide spray decreased the AUAPC by 50 and 39% for lines BR-008 and BR-009, respectively. Without fungicide, the AUAPC decreased by 88% for line BR-008 compared with line BR-009; however, with fungicide, the reduction reached 90%. The Si leaf tissue concentration significantly increased with the CS application (5.9 g/kg) compared ... Mostrar Tudo |
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Thesagro: |
Antracnose; Doença de planta; Sorghum bicolor. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 02544naa a2200205 a 4500
001 1940418
005 2017-05-18
008 2013 bl uuuu u00u1 u #d
024 7 $a10.1111/jph.12020$2DOI
100 1 $aRESENDE, R. S.
245 $aSilicon and fungicide effects on anthracnose in moderately resistant and susceptible sorghum lines.$h[electronic resource]
260 $c2013
520 $aThis study aimed to evaluate the effect of silicon (Si) and its interaction with fungicide on the management of sorghum anthracnose. The experiments were carried out in Si-deficient soil in the 2008/2009 and 2009/2010 growing seasons in a randomized, complete block, split-split plot design with four replications. Calcium silicate (CS) and lime (L), at the rates of 6 and 5 ton/ha, respectively, were randomly assigned to the main plot. Two sorghum lines, BR-008 (resistant) and BR-009 (susceptible), were assigned to the split plots. The split-split plots corresponded to with or without the fungicide Opera® (epoxiconazole+pyraclostrob-in). The residual effect of CS and L from the 2008/2009 growing season was evaluated in the 2009/2010 growing season. For the 2008/2009 growing season, the area under anthracnose progress curve (AUAPC) was reduced by 39 and 42% for lines BR-008 and BR-009, respectively, with the application of CS. In the presence of the fungicide, the AUAPC was reduced by 35 and 42% for the CS and L treatments, respectively. Calcium silicate with and without fungicide contributed to decreasing the AUAPC by 44 and 37%, respectively. The fungicide spray decreased the AUAPC by 50 and 39% for lines BR-008 and BR-009, respectively. Without fungicide, the AUAPC decreased by 88% for line BR-008 compared with line BR-009; however, with fungicide, the reduction reached 90%. The Si leaf tissue concentration significantly increased with the CS application (5.9 g/kg) compared with the L application (0.3 g/kg), regardless of the sorghum line. The yield increased by 0.6 ton/ha with the CS compared to the L application. The fungicide increased yield by 0.48 ton/ha compared with the non-fungicide spray treatment. The residual effect of CS in the soil increased Si leaf tissue concentration and yield as well as reduced the intensity of anthracnose in the 2009/2010 growing season.
650 $aAntracnose
650 $aDoença de planta
650 $aSorghum bicolor
700 1 $aRODRIGUES, F. A.
700 1 $aCOSTA, R. V.
700 1 $aSILVA, D. D.
773 $tJournal of Phytopathology, Berlin$gv. 161, n. 1, p. 11-17, Jan. 2013.
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Embrapa Milho e Sorgo (CNPMS) |
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