advances in improving tolerance to waterlogging in brachiaria grasses

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ID: 236144
2013
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Abstract

An inter-institutional and multi-disciplinary project to identify Brachiaria genotypes, which combine waterlogging tolerance with high forage yield and quality, for use in agricultural land in Latin America with poor drainage, is underway. The aim is to improve meat and milk production and mitigate the impacts of climate change in the humid areas of Latin America. Researchers at the International Center for Tropical Agriculture (CIAT) have developed a screening method to evaluate waterlogging in grasses. Using this method, 71 promising hybrids derived from the species,
Brachiaria ruziziensis, B. brizantha and B. decumbens, were evaluated. Four hybrids with superior waterlogging tolerance were identified. Their superiority was based on greater: green-leaf biomass production, proportion of green leaf to total leaf biomass, green-leaf area, leaf chlorophyll content and photosynthetic efficiency; and reduced dead-leaf biomass. These hybrids, together with previously selected hybrids and germplasm accessions, are being field-tested for waterlogging tolerance in collaboration with National Agricultural Research Institutions and farmers from Colombia, Nicaragua and Panama.

Reference Key
cardoso2013tropicaladvances Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Juan A. Cardoso;Juan Jiménez;Joisse Rincón;Edward Guevara;Rein van der Hoek;Andy Jarvis;Michael Peters;John Miles;Miguel Ayarza;Socorro Cajas;Álvaro Rincón;Henry Mateus;Jaime Quiceno;Wilson Barragán;Carlos Lascano;Pedro Argel;Martín Mena;Luis Hertentains;Idupulapati Rao
Journal curationis
Year 2013
DOI
10.17138/tgft(1)197-201
URL
http://tropicalgrasslands.info/index.php/tgft/article/view/86
Keywords
agriculture

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