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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
12/02/2007 |
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Data da última atualização: |
13/02/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SITA, R. C. M.; REISSMANN, C. B.; MARQUES, R.; OLIVEIRA, E. B. de; TAFFAREL, A. D. |
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Título: |
Effect of polymers associated with N and K fertilizer sources and Dendrathema grandiforum growth and K, Ca and Mg relations. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
Brazilian Archives of Biology and Technology, Curitiba, v. 48, n. 3, p. 335-342, 2005. |
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Idioma: |
Inglês |
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Conteúdo: |
This study was conducted to evaluate the effect of polymer used with different nitrogen and potassium sources on the growth and nutrition of chrysanthemum (Dendranthema grandiforum, var. "Virginal") and on chemical characteristics of substrate. Two substrates were evaluated: 1) composite with 50 % organic soil, 45 % sand, and 5 % composted tobacco; 2) plow layer soil (0-20 cm depth; red oxisol typical dystrophic). The experimental design was a factorial (4x2x2) and included four polymer rates (0, 1, 2, and 4 g kg-1of substrate), two nitrogen ((NH4)2SO4 and (H2N)2CO), and two potassium (KCl and K2SO4) sources. Dry biomass, flower number, and concentration of K, Ca, and Mg were evaluated. Inverse relationships between polymer rates and plant biomass, macronutrient uptake were noticed, regardless substrate or nutrient source. |
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Palavras-Chave: |
Crysanthemum; Hidrogel; Macronuutriente; Polyacrylamida. |
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Thesagro: |
Fertilizante. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/27089/1/24754.pdf
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Marc: |
LEADER 01566naa a2200229 a 4500
001 1312519
005 2015-02-13
008 2005 bl uuuu u00u1 u #d
100 1 $aSITA, R. C. M.
245 $aEffect of polymers associated with N and K fertilizer sources and Dendrathema grandiforum growth and K, Ca and Mg relations.$h[electronic resource]
260 $c2005
520 $aThis study was conducted to evaluate the effect of polymer used with different nitrogen and potassium sources on the growth and nutrition of chrysanthemum (Dendranthema grandiforum, var. "Virginal") and on chemical characteristics of substrate. Two substrates were evaluated: 1) composite with 50 % organic soil, 45 % sand, and 5 % composted tobacco; 2) plow layer soil (0-20 cm depth; red oxisol typical dystrophic). The experimental design was a factorial (4x2x2) and included four polymer rates (0, 1, 2, and 4 g kg-1of substrate), two nitrogen ((NH4)2SO4 and (H2N)2CO), and two potassium (KCl and K2SO4) sources. Dry biomass, flower number, and concentration of K, Ca, and Mg were evaluated. Inverse relationships between polymer rates and plant biomass, macronutrient uptake were noticed, regardless substrate or nutrient source.
650 $aFertilizante
653 $aCrysanthemum
653 $aHidrogel
653 $aMacronuutriente
653 $aPolyacrylamida
700 1 $aREISSMANN, C. B.
700 1 $aMARQUES, R.
700 1 $aOLIVEIRA, E. B. de
700 1 $aTAFFAREL, A. D.
773 $tBrazilian Archives of Biology and Technology, Curitiba$gv. 48, n. 3, p. 335-342, 2005.
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Registro original: |
Embrapa Florestas (CNPF) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrossilvipastoril. Para informações adicionais entre em contato com cpamt.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agrossilvipastoril; Embrapa Soja. |
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Data corrente: |
09/05/2018 |
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Data da última atualização: |
09/05/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
LANA, F. D.; PAUL, P. A.; GODOY, C. V.; UTIAMADA, C. M.; SILVA, L. H. C. P. da; SIQUERI, F. V.; FORCELINI, C. A.; JACCOUD-FILHO, D. de S.; WRUCK, D. S. M.; BORGES, E. P.; JULIATTI, F. C.; CAMPOS, H. D.; NUNES JUNIOR, J.; CARNEIRO, L. C.; CANTERI, M. G.; ITO, M. F.; MEYER, M. C.; MARTINS, M. C.; BALARDIN, R. S.; FURLAN, S. H.; CARLIN, V. J.; DEL PONTE, E. M. |
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Afiliação: |
OSU; OSU; CLAUDIA VIEIRA GODOY, CNPSO; TAGRO, LONDRINA; AGRO CARREGAL, RIO VERDE, GO; FUNDAÇÃO MT, RONDONÓPOLIS, MT; UPF; UEPG; DULANDULA SILVA MIGUEL WRUCK, CPAMT; FUNDAÇÃO CHAPADÃO, CHAPADÃO DO SUL, MS; UFU; UNIRV; CTPA, GOIÂNIA, GO; UFG, JATAÍ, GO; UEL; IAC; MAURICIO CONRADO MEYER, CNPSO; CÍRCULO VERDE, LUÍS EDUARDO MAGALHÃES, BA; UFSM; IB, CAMPINAS; AGRODINÂMICA, TANGARÁ DA sERRA, MT; UFV. |
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Título: |
Meta-analytic modeling of the decline in performance of fungicides for managing soybean rust after a decade of use in Brazil. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Plant disease, v. 102, n. 4, p. 807-817, Apr. 2018. |
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DOI: |
10.1094/PDIS-03-17-0408-RE |
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Idioma: |
Inglês |
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Conteúdo: |
An apparent decline of fungicide performance for the control of soybean rust in Brazil has been reported but the rate at which it has occurred has not been formally quantified. Control efficacy and yield response to three fungicides applied as single active ingredients (a.i.)?azoxystrobin (AZOX), cyproconazole (CYPR), and tebuconazole (TEBU)?and four applied as mixtures?AZOX+CYPR, picoxystrobin + CYPR, pyraclostrobin + epoxiconazole, and trifloxystrobin + prothioconazole (TRIF+PROT)?were summarized using network meta-analytic models fitted to mean severity and yield data from 250 trials (10-year period). The effect of year was tested on both variables in a meta-regression model. Overall control efficacy ranged from 56 to 84%; the three single-a.i. fungicides performed the poorest (56 to 62%). Yield increase for single-a.i. fungicides was as low as 30% but ranged from 47 to 65% for the premixes. Significant declines in both variables were detected for all fungicides except TRIF+PROT. For TEBU, control efficacy (yield response) declined the most: 78% (18%) to 54% (8%) from 2004?05 to 2013?14. The recent surge of resistant populations of Phakopsora pachyrhizi to both demethylation inhibitor and quinone outside inhibitor fungicides is likely the driving force behind a significant decline after 4 years of fungicide use. |
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Palavras-Chave: |
Alternaria-solani; Azole resistance; Cytochrome-b gene; Field-resistance; Mycosphaerella-graminicola; Phakopsora-pachyrhizi; Q(O)i fungicides; QO inhibitor fungicides; Triazole-based fungicides. |
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Thesagro: |
Doença de Planta; Ferrugem; Fungicida; Fungo; Performance; Phakopsora Pachyrhizi; Soja. |
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Thesaurus NAL: |
Fungicides; Fusarium head blight; Microbial growth; Soybean rust; Soybeans. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 03143naa a2200637 a 4500
001 2091273
005 2018-05-09
008 2018 bl uuuu u00u1 u #d
024 7 $a10.1094/PDIS-03-17-0408-RE$2DOI
100 1 $aLANA, F. D.
245 $aMeta-analytic modeling of the decline in performance of fungicides for managing soybean rust after a decade of use in Brazil.$h[electronic resource]
260 $c2018
520 $aAn apparent decline of fungicide performance for the control of soybean rust in Brazil has been reported but the rate at which it has occurred has not been formally quantified. Control efficacy and yield response to three fungicides applied as single active ingredients (a.i.)?azoxystrobin (AZOX), cyproconazole (CYPR), and tebuconazole (TEBU)?and four applied as mixtures?AZOX+CYPR, picoxystrobin + CYPR, pyraclostrobin + epoxiconazole, and trifloxystrobin + prothioconazole (TRIF+PROT)?were summarized using network meta-analytic models fitted to mean severity and yield data from 250 trials (10-year period). The effect of year was tested on both variables in a meta-regression model. Overall control efficacy ranged from 56 to 84%; the three single-a.i. fungicides performed the poorest (56 to 62%). Yield increase for single-a.i. fungicides was as low as 30% but ranged from 47 to 65% for the premixes. Significant declines in both variables were detected for all fungicides except TRIF+PROT. For TEBU, control efficacy (yield response) declined the most: 78% (18%) to 54% (8%) from 2004?05 to 2013?14. The recent surge of resistant populations of Phakopsora pachyrhizi to both demethylation inhibitor and quinone outside inhibitor fungicides is likely the driving force behind a significant decline after 4 years of fungicide use.
650 $aFungicides
650 $aFusarium head blight
650 $aMicrobial growth
650 $aSoybean rust
650 $aSoybeans
650 $aDoença de Planta
650 $aFerrugem
650 $aFungicida
650 $aFungo
650 $aPerformance
650 $aPhakopsora Pachyrhizi
650 $aSoja
653 $aAlternaria-solani
653 $aAzole resistance
653 $aCytochrome-b gene
653 $aField-resistance
653 $aMycosphaerella-graminicola
653 $aPhakopsora-pachyrhizi
653 $aQ(O)i fungicides
653 $aQO inhibitor fungicides
653 $aTriazole-based fungicides
700 1 $aPAUL, P. A.
700 1 $aGODOY, C. V.
700 1 $aUTIAMADA, C. M.
700 1 $aSILVA, L. H. C. P. da
700 1 $aSIQUERI, F. V.
700 1 $aFORCELINI, C. A.
700 1 $aJACCOUD-FILHO, D. de S.
700 1 $aWRUCK, D. S. M.
700 1 $aBORGES, E. P.
700 1 $aJULIATTI, F. C.
700 1 $aCAMPOS, H. D.
700 1 $aNUNES JUNIOR, J.
700 1 $aCARNEIRO, L. C.
700 1 $aCANTERI, M. G.
700 1 $aITO, M. F.
700 1 $aMEYER, M. C.
700 1 $aMARTINS, M. C.
700 1 $aBALARDIN, R. S.
700 1 $aFURLAN, S. H.
700 1 $aCARLIN, V. J.
700 1 $aDEL PONTE, E. M.
773 $tPlant disease$gv. 102, n. 4, p. 807-817, Apr. 2018.
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Embrapa Soja (CNPSO) |
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