| |
|
|
| Registros recuperados : 1 | |
| 1. |  | COSTA, L. A. de M.; COSTA, M. S. S. de M.; PEREIRA, D. C.; BERNARDI, F. H.; MACCARI, S. Avaliação de substratos para a produção de mudas de tomate e pepino. Revista Ceres, Viçosa, MG, v. 60, n. 5, p. 675-682, set./out. 2013.| Biblioteca(s): Epagri-Sede. |
|   |
| Registros recuperados : 1 | |
|
|
|
Registro Completo
|
Biblioteca(s): |
Epagri-Sede. |
|
Data corrente: |
15/05/2020 |
|
Data da última atualização: |
15/05/2020 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
Internacional - B |
|
Autoria: |
OGOSHI, C.; CARLOS, F. S.; WALDOW, D.; MIRANDA, F. F.; REGINATO, J. L.; ULGUIM, A. R. |
|
Título: |
Influence of Blast on the Nutrition and Yield of Irrigated Rice in Southern Brazil. |
|
Ano de publicação: |
2020 |
|
Fonte/Imprenta: |
Journal of Soil Science and Plant Nutrition, Suécia, 2020. |
|
Idioma: |
Inglês |
|
Conteúdo: |
In recent decades, nitrogen fertilization rates have increased significantly in irrigated rice fields in southern Brazil. However, there
is a gap in knowledge concerning the use of these high rates of nitrogen fertilization in cultivars with a high yield potential, and
susceptible to rice blast. We therefore conducted a field experiment in the 2014/2015 and 2015/2016 crop year to evaluate blast
severity, plant tissue nutrition, and yield and grain quality with increasing nitrogen fertilization levels in a rice blast-susceptible
cultivar (Guri Inta CL). The experiment had three factors, with factor 1: N doses (0, 60, 120, and 180 kg ha−1
), factor 2: sowing dates (early and late), and factor 3: with and without fungicide application. The experimental design was randomized blocks with
four replications. The area under the disease progress curve was positively influenced by the increase of N rates in the two crops
years. Grain yield had a negative quadratic effect as a function of N rates. Increased N levels reduced the thousand grains weight.
Late sowing and non-application of fungicide increased disease severity; there was reduced yield, grain quality, and N use
efficiency. It is concluded that the use of N levels greater than 60 kg ha−1 in rice blast-susceptible cultivars in southern Brazil
increases disease severity with lower N use, reduces grain yield and grain quality. |
|
Palavras-Chave: |
Irrigated rice; Magnaporthe oryzae; Plant nutrition. |
|
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
|
|
|
|
Marc: |
LEADER 02041naa a2200217 a 4500
001 1129627
005 2020-05-15
008 2020 bl uuuu u00u1 u #d
100 1 $aOGOSHI, C.
245 $aInfluence of Blast on the Nutrition and Yield of Irrigated Rice in Southern Brazil.$h[electronic resource]
260 $c2020
520 $aIn recent decades, nitrogen fertilization rates have increased significantly in irrigated rice fields in southern Brazil. However, there is a gap in knowledge concerning the use of these high rates of nitrogen fertilization in cultivars with a high yield potential, and susceptible to rice blast. We therefore conducted a field experiment in the 2014/2015 and 2015/2016 crop year to evaluate blast severity, plant tissue nutrition, and yield and grain quality with increasing nitrogen fertilization levels in a rice blast-susceptible cultivar (Guri Inta CL). The experiment had three factors, with factor 1: N doses (0, 60, 120, and 180 kg ha−1 ), factor 2: sowing dates (early and late), and factor 3: with and without fungicide application. The experimental design was randomized blocks with four replications. The area under the disease progress curve was positively influenced by the increase of N rates in the two crops years. Grain yield had a negative quadratic effect as a function of N rates. Increased N levels reduced the thousand grains weight. Late sowing and non-application of fungicide increased disease severity; there was reduced yield, grain quality, and N use efficiency. It is concluded that the use of N levels greater than 60 kg ha−1 in rice blast-susceptible cultivars in southern Brazil increases disease severity with lower N use, reduces grain yield and grain quality.
653 $aIrrigated rice
653 $aMagnaporthe oryzae
653 $aPlant nutrition
700 1 $aCARLOS, F. S.
700 1 $aWALDOW, D.
700 1 $aMIRANDA, F. F.
700 1 $aREGINATO, J. L.
700 1 $aULGUIM, A. R.
773 $tJournal of Soil Science and Plant Nutrition, Suécia, 2020.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Epagri-Sede (Epagri-Sede) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
