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Potential of rice (Oryza sativa L.) cultivars to mitigate methane emissions from irrigated systems in Latin America and the Caribbean

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Title Potential of rice (Oryza sativa L.) cultivars to mitigate methane emissions from irrigated systems in Latin America and the Caribbean
 
Creator Soremi, Paul Abayomi Sobowale
Chirinda, Ngonidzashe
Graterol, Eduardo
Alvarez, Maria Fernanda
 
Subject rice
oryza sativa
crop production
sustainability
methane emission
climate change mitigation
varieties
plant breeding
 
Description In irrigated rice fields, plant-mediated transfer of CH4 from submerged soils to the atmosphere
raise the possibility of genotypic differences in CH4 emissions. Previous research has been
contradictory, and varietal differences in rice CH4 emissions in Latin America have not been
examined. A field experiment in Colombia tested whether irrigated rice emissions might be
reduced using a breeding line, an inbred variety, and two rice hybrids. Data was collected on
CH4 emissions, phenotypic, root, and grain yield parameters. Variations observed in CH4
emissions, grain yield, root length, and root surface area were in the order Hybrid 2 > Hybrid
1 > breeding line > inbred variety. CH4 emissions per unit area were between 29% and 62%
greater for the hybrids than the inbred variety and breeding line, and CH4 emissions per unit
grain yield were comparable across genotypes. Our findings suggest that differences in root
characteristics and aboveground biomass explain genetic influences on CH4 emissions. The
transition to low-emission rice production systems can be accelerated by using differences in
productivity and root qualities among cultivars.
 
Date 2023-12-31
2023-05-24T14:29:09Z
2023-05-24T14:29:09Z
 
Type Journal Article
 
Identifier Soremi, P.A.S.; Chirinda, N.; Graterol, E.; Alvarez, M. F. (2023) Potential of rice (Oryza sativa L.) cultivars to mitigate methane emissions from irrigated systems in Latin America and the Caribbean. All Earth 35(1): 2207941. ISSN: 2766-9645
2766-9645
https://hdl.handle.net/10568/130486
https://doi.org/10.1080/27669645.2023.2207941
 
Language en
 
Rights CC-BY-NC-4.0
Open Access
 
Format p. 149-157
application/pdf
 
Publisher Informa UK Limited
 
Source All Earth