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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
30/01/2025 |
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Data da última atualização: |
30/01/2025 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
OLIVEIRA, R. S. de; AJULO, A. B.; CARDOSO, M. A. A.; GONÇALVES, A. R.; BEZERRA, G. A.; LANNA, A. C.; CASTRO, A. P. de; FILIPPI, M. C. C. de. |
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Afiliação: |
RODRIGO SILVA DE OLIVEIRA, UNIVERSIDADE FEDERAL DE GOIÁS; AKINTUNDE ABIODUN AJULO, UNIVERSIDADE FEDERAL DE GOIÁS; MARCO ANTÔNIO ADORNO CARDOSO, UNIVERSIDADE FEDERAL DE GOIÁS; ARIANY ROSA GONÇALVES; GUSTAVO ANDRADE BEZERRA, PRIMEAGRO; ANNA CRISTINA LANNA, CNPAF; ADRIANO PEREIRA DE CASTRO, CNPAF; MARTA CRISTINA CORSI DE FILIPPI, CNPAF. |
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Título: |
Rhizobacteria and silicon modulate defense, oxidative stress, and suppress blast disease in upland rice plants in low phosphorus soils under field conditions. |
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Ano de publicação: |
2025 |
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Fonte/Imprenta: |
Planta, v. 261, 22, 2025. |
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ISSN: |
0032-0935 |
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DOI: |
https://doi.org/10.1007/s00425-024-04598-6 |
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Idioma: |
Inglês |
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Conteúdo: |
Association of bioagents and silicon is synergistic for mitigating leaf and panicle blast and low phosphorus (P) levels in upland rice, under greenhouse conditions. This study aimed to evaluate the potential of the bioagents and silicon interaction on blast disease severity suppression in upland rice plants, under field low P conditions. The experiment was conducted during two growing seasons (E1 and E2), in randomized block design with four replications, and consisted of five treatments, combining a mix of three rhizobacteria, BRM 32114 and BRM62523 (Serratia marcescens), and BRM32110 (Bacillus toyonensis), and three application methods (seed treatment, drenching, spraying). Calcium and magnesium silicate (2 t/ha) was applied over a low soil P, 30 days before sowing. Leaf blast (LBS) and panicle blast (PBS), area under the disease progress curve (AUDPC), activity of enzymes related to oxidative stress, pathogenesis-related (PR), biochemical indicators such as hydrogen peroxide, chlorophyll a and b, carotenoids, and grain yield (GY), were assessed. Bioagents and silicon suppressed LBS by 77.93 and PBS by 62.37%, reduced AUDPC by 77.3 (LBS) and 60.6% (PBS). The yield in E1 was 25% higher than in E2. The treatments statistically differ only in E2, the yield with bioagents and silicon (2435.72 kg ha−1) was 71.95% higher compared to the absolute control. All enzymatic activities related to oxidative stress and PR proteins were modulated by bioagents and silicon association. The association of rhizobacteria and silicon exhibited a synergistic effect, and represents a bioprotective combination to reduce the effects of different stresses and indirectly reduces the use of chemical inputs. MenosAssociation of bioagents and silicon is synergistic for mitigating leaf and panicle blast and low phosphorus (P) levels in upland rice, under greenhouse conditions. This study aimed to evaluate the potential of the bioagents and silicon interaction on blast disease severity suppression in upland rice plants, under field low P conditions. The experiment was conducted during two growing seasons (E1 and E2), in randomized block design with four replications, and consisted of five treatments, combining a mix of three rhizobacteria, BRM 32114 and BRM62523 (Serratia marcescens), and BRM32110 (Bacillus toyonensis), and three application methods (seed treatment, drenching, spraying). Calcium and magnesium silicate (2 t/ha) was applied over a low soil P, 30 days before sowing. Leaf blast (LBS) and panicle blast (PBS), area under the disease progress curve (AUDPC), activity of enzymes related to oxidative stress, pathogenesis-related (PR), biochemical indicators such as hydrogen peroxide, chlorophyll a and b, carotenoids, and grain yield (GY), were assessed. Bioagents and silicon suppressed LBS by 77.93 and PBS by 62.37%, reduced AUDPC by 77.3 (LBS) and 60.6% (PBS). The yield in E1 was 25% higher than in E2. The treatments statistically differ only in E2, the yield with bioagents and silicon (2435.72 kg ha−1) was 71.95% higher compared to the absolute control. All enzymatic activities related to oxidative stress and PR proteins were modulated by bioagents and silicon association. The ... Mostrar Tudo |
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Palavras-Chave: |
Biocontrol; PR proteins; Resistance induction; Rhizobacteria; Silicon fertilization. |
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Thesagro: |
Arroz; Oryza Sativa. |
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Thesaurus Nal: |
Biotic stress; Plant growth-promoting rhizobacteria; Rice. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02778naa a2200349 a 4500
001 2172115
005 2025-01-30
008 2025 bl uuuu u00u1 u #d
022 $a0032-0935
024 7 $ahttps://doi.org/10.1007/s00425-024-04598-6$2DOI
100 1 $aOLIVEIRA, R. S. de
245 $aRhizobacteria and silicon modulate defense, oxidative stress, and suppress blast disease in upland rice plants in low phosphorus soils under field conditions.$h[electronic resource]
260 $c2025
520 $aAssociation of bioagents and silicon is synergistic for mitigating leaf and panicle blast and low phosphorus (P) levels in upland rice, under greenhouse conditions. This study aimed to evaluate the potential of the bioagents and silicon interaction on blast disease severity suppression in upland rice plants, under field low P conditions. The experiment was conducted during two growing seasons (E1 and E2), in randomized block design with four replications, and consisted of five treatments, combining a mix of three rhizobacteria, BRM 32114 and BRM62523 (Serratia marcescens), and BRM32110 (Bacillus toyonensis), and three application methods (seed treatment, drenching, spraying). Calcium and magnesium silicate (2 t/ha) was applied over a low soil P, 30 days before sowing. Leaf blast (LBS) and panicle blast (PBS), area under the disease progress curve (AUDPC), activity of enzymes related to oxidative stress, pathogenesis-related (PR), biochemical indicators such as hydrogen peroxide, chlorophyll a and b, carotenoids, and grain yield (GY), were assessed. Bioagents and silicon suppressed LBS by 77.93 and PBS by 62.37%, reduced AUDPC by 77.3 (LBS) and 60.6% (PBS). The yield in E1 was 25% higher than in E2. The treatments statistically differ only in E2, the yield with bioagents and silicon (2435.72 kg ha−1) was 71.95% higher compared to the absolute control. All enzymatic activities related to oxidative stress and PR proteins were modulated by bioagents and silicon association. The association of rhizobacteria and silicon exhibited a synergistic effect, and represents a bioprotective combination to reduce the effects of different stresses and indirectly reduces the use of chemical inputs.
650 $aBiotic stress
650 $aPlant growth-promoting rhizobacteria
650 $aRice
650 $aArroz
650 $aOryza Sativa
653 $aBiocontrol
653 $aPR proteins
653 $aResistance induction
653 $aRhizobacteria
653 $aSilicon fertilization
700 1 $aAJULO, A. B.
700 1 $aCARDOSO, M. A. A.
700 1 $aGONÇALVES, A. R.
700 1 $aBEZERRA, G. A.
700 1 $aLANNA, A. C.
700 1 $aCASTRO, A. P. de
700 1 $aFILIPPI, M. C. C. de
773 $tPlanta$gv. 261, 22, 2025.
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