Fecha/hora: 16/06/2024 01:08:44

Biblioteca(s): | INIA La Estanzuela.
Fecha corriente: | 04/09/2020
Fecha de la última actualización: | 05/09/2022
Autoria: | KASPARY, T. E.; ROMA-BURGOS, N; MEROTTO, A., J.
Afiliación: | TIAGO EDU KASPARY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; NILDA ROMA-BURGOS, Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR 72701, USA.; ALDO MEROTTO JR, Department of Crop Sciences, Agricultural School, Federal University of Rio Grande do Sul, Porto Alegre 90040-060, Brazil.
Título: | Snorkeling Strategy: Tolerance to Flooding in Rice and Potential Application for Weed Management (Review).
Año de publicación: | 2020
Fuente/Imprenta: | Genes, 22 August 2020, Volume 11, Issue 9. OPEN ACCESS. Doi: https://doi.org/10.3390/genes11090975
DOI: | 10.3390/genes11090975
Idioma: | Inglés
Notas: | Article history: Received: 7 June 2020/ Accepted: 17 August 2020/ Published: 22 August 2020. This study was partially supported by CNPq grant 477484/2013-1 to A.M.J.

Contenido:

Abstract: Flooding is an important strategy for weed control in paddy rice fields. However, terrestrial weeds had evolved mechanisms of tolerance to flooding, resulting in new ?snorkeling? ecotypes. The aim of this review is to discuss the mechanisms of flooding tolerance in cultivated and weedy rice
at different plant stages and the putative utility of this trait for weed management. Knowledge about flooding tolerance is derived primarily from crop models, mainly rice. The rice model informs us about the possible flooding tolerance mechanisms in weedy rice, Echinochloa species, and other weeds. During germination, the gene related to carbohydrate mobilization and energy intake (RAmy3D),and genes involved in metabolism maintenance under anoxia (ADH, PDC, and OsB12D1) are the most important for flooding tolerance. Flooding tolerance during emergence involved responses promoted by ethylene and induction of RAmy3D, ADH, PDC, and OsB12D1. Plant species tolerant to complete submersion also employ escape strategies or the ability to become quiescent during the submergence period. In weedy rice, the expression of PDC1, SUS3, and SUB1 genes is not directly related to flooding tolerance, contrary to what was learned in cultivated rice. Mitigation of flooding tolerance in weeds could be achieved with biotechnological approaches and genetic manipulation of flood tolerance genes through RNAi and transposons, providing a potential new tool for weed management.

Palabras-Clave: | FLOODINT TOLERANCE; HYPOXIA; RICE; RICE DIVERSITY; SUB1; WEEDY RICE.
Thesagro: | ARROZ.
Categoría del tema: | --

URL:

http://www.ainfo.inia.uy/digital/bitstream/item/14620/1/genes-11-00975.pdf
https://www.mdpi.com/2073-4425/11/9/975

Registro original: | INIA La Estanzuela (LE)
Ejemplares: | LE - (103178-1) - PXI - AP - DD - PP/Genes/ 2020 -  -  - DIS