Data/hora: 20/06/2024 03:54:38

Biblioteca(s): | Embrapa Amazônia Oriental; Embrapa Arroz e Feijão.
Data corrente: | 18/12/2014
Data da última atualização: | 03/06/2022
Autoria: | RÊGO, M. C. F.; ILKIU-BORGES, F.; FILIPPI, M. C. C. de; GONÇALVES, L. A.; SILVA, G. B. da.
Afiliação: | MARCELA CRISTIANE FERREIRA REGO, UFRA; FERNANDA ILKIU BORGES DE SOUZA, CPATU; MARTA CRISTINA CORSI DE FILIPPI, CNPAF; LETÍCIA ALMEIDA GONÇALVES, UFG; GISELE BARATA DA SILVA, UFRA.
Título: | Morphoanatomical and biochemical changes in the roots of rice plants induced by plant growth-promoting microorganisms.
Ano de publicação: | 2014
Fonte/Imprenta: | Journal of Botany, Article ID 818797, 2014.
Páginas: | 10 p.
DOI: | 10.1155/2014/818797
Idioma: | Inglês
Conteúdo: | The goal of the present study was to characterize anatomical and biochemical changes in rice plant roots in response to seed treatment with rhizobacteria (Burkholderia pyrrocinia (R-46) + Pseudomonas fluorescens (R-55)) and Trichoderma asperellum (Ta: mixture of strains T-06, T-09, T-12, and T-52).The experimental design was completely randomized, with six treatments (R-46, R-55, R-46 + R-55, Ta+ R-46 + R-55, Ta, and control) and ten replicates. Treatments Ta and R-46 + R-55 increased the root length and diameter as well as the cortex expansion and induced a 2% expansion of the aerenchymal space. Treatments Ta and R-46 increased the vascular cylinder diameter. The number of protoxylem poles and metaxylem vessel elements was increased by R-46 and R-55. The total phenol content increased with treatments Ta, R-46 + R-55, R-46, and R-55, and all the treatments increased the flavonoid content. The lignin content increased with the Ta and R-55 treatments. All the root architecture modifications resulting from the interaction between seedlings and bioagents (rhizobacteria and Trichoderma spp.) observed in the present study favored the root plasticity of rice seedlings.
Thesagro: | Arroz; Doença de planta; Microrganismo; Oryza sativa; Raiz.
Categoria do assunto: | F Plantas e Produtos de Origem Vegetal
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/item/114077/1/mccf1.pdf
Registro original: | Embrapa Amazônia Oriental (CPATU)

Exemplares:

CNPAF - (33153-1) - UPC - AP - DD - 2014.081 -  - 2014.081 - DIS
CPATU - (50681-1) - UPC - AP - DD -  -  -  - DIS