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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
25/11/2019 |
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Data da última atualização: |
25/11/2019 |
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Autoria: |
OLIVEIRA, L. M. de; MARCHESAN, E.; DAVID, R. de; WERLE, I. S.; ARAMBURU, B. B.; DONATO, G.; SILVA, A. L. da; COSTA, I. F. D. da. |
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Afiliação: |
Lillian Matias de Oliveira, Universidade Federal de Viçosa - UFV; Enio Marchesan, Universidade Federal de Santa Maria - UFSM; Ricardo de David, Universidade Federal de Santa Maria - UFSM; Isabel Schlegel Werle, Universidade Federal de Santa Maria - UFSM; Bruno Behenck Aramburu, Universidade Federal de Santa Maria - UFSM; Gabriel Donato, Universidade Federal de Santa Maria - UFSM; Anelise Lencina da Silva, Universidade Federal de Santa Maria - UFSM; Ivan Francisco Dressler da Costa, Universidade Federal de Santa Maria - UFSM. |
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Título: |
Occurrence of panicle blast in and grain quality of irrigated rice fertilized with nitrogen and silicates. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, v. 59, e00295, 2019 . |
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Idioma: |
Inglês |
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Notas: |
Título em português: Ocorrência de brusone e qualidade de grãos em arroz irrigado adubado com nitrogênio e silicatos. |
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Conteúdo: |
The objective of this work was to evaluate the effects of fertilization with nitrogen topdressing and silicates, as well as of the use of fungicides, on the occurrence of panicle blast, milling yield, and whole grains, vitreous grains, and chalky kernels in an irrigated rice cultivar sensitive to the disease. Two experiments were conducted in a randomized complete block design, in a 4×4×2 factorial arrangement, with four replicates: in experiment 1, four doses of nitrogen × four doses of calcium and magnesium silicate on soil × with and without fungicides; and, in experiment 2, four doses of nitrogen × four doses of potassium silicate applied on leaves x with and without fungicides. At the doses above 60 kg ha-1 nitrogen without fungicides, there was an increase in panicle blast severity, a decrease in the percentage of whole and vitreous grains, and an increase in chalky kernels and chalky area. The greatest effects of silicates occurred without fungicides. Fungicide use reduced the severity of blast in the panicles. Milling yield ranged from 60 to 70% in both experiments. The control of blast with fungicides maintains high rice grain quality, milling yield, and percentages of whole and vitreous grains. |
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Palavras-Chave: |
Grãos inteiros; Rendimento do grão; Whole grains. |
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Thesagro: |
Oryza Sativa; Pyricularia Oryzae. |
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Thesaurus Nal: |
Grain yield. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/205433/1/Occurrence-of-panicle-blast-in-and-grain.pdf
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Marc: |
LEADER 02184naa a2200289 a 4500
001 2115068
005 2019-11-25
008 2019 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, L. M. de
245 $aOccurrence of panicle blast in and grain quality of irrigated rice fertilized with nitrogen and silicates.$h[electronic resource]
260 $c2019
500 $aTítulo em português: Ocorrência de brusone e qualidade de grãos em arroz irrigado adubado com nitrogênio e silicatos.
520 $aThe objective of this work was to evaluate the effects of fertilization with nitrogen topdressing and silicates, as well as of the use of fungicides, on the occurrence of panicle blast, milling yield, and whole grains, vitreous grains, and chalky kernels in an irrigated rice cultivar sensitive to the disease. Two experiments were conducted in a randomized complete block design, in a 4×4×2 factorial arrangement, with four replicates: in experiment 1, four doses of nitrogen × four doses of calcium and magnesium silicate on soil × with and without fungicides; and, in experiment 2, four doses of nitrogen × four doses of potassium silicate applied on leaves x with and without fungicides. At the doses above 60 kg ha-1 nitrogen without fungicides, there was an increase in panicle blast severity, a decrease in the percentage of whole and vitreous grains, and an increase in chalky kernels and chalky area. The greatest effects of silicates occurred without fungicides. Fungicide use reduced the severity of blast in the panicles. Milling yield ranged from 60 to 70% in both experiments. The control of blast with fungicides maintains high rice grain quality, milling yield, and percentages of whole and vitreous grains.
650 $aGrain yield
650 $aOryza Sativa
650 $aPyricularia Oryzae
653 $aGrãos inteiros
653 $aRendimento do grão
653 $aWhole grains
700 1 $aMARCHESAN, E.
700 1 $aDAVID, R. de
700 1 $aWERLE, I. S.
700 1 $aARAMBURU, B. B.
700 1 $aDONATO, G.
700 1 $aSILVA, A. L. da
700 1 $aCOSTA, I. F. D. da
773 $tPesquisa Agropecuária Brasileira$gv. 59, e00295, 2019 .
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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