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Improved drought tolerance in wheat is required to unlock the production potential of the Brazilian Cerrado. Repositório Alice
PEREIRA, J. F.; CUNHA, G. R. da; MORESCO, E. R..
ABSTRACT Improving rainfed wheat cultivation in central Brazil, where the Cerrado biome (Brazilian savanna) is predominant, remains a bottleneck for future increases in domestic wheat production. In the Cerrado, the limited water availability during the wheat-growing season is an obstacle to increase wheat yield. To address this issue, the physiological and molecular drought response of wheat and the environmental conditions of this region must be better understood. In this review, we characterized the impact of drought on rainfed wheat production in the Cerrado. Based on the peculiarities of this environment, we suggest that certain traits should be prioritized in selection. These traits and their molecular basis are important to raise wheat yields in the...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Water deficit; Tropical wheat; Triticum aestivum L; Water stress.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1118361
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Potential area and limitations for the expansion of rainfed wheat in the Cerrado biome of Central Brazil PAB
Pasinato,Aldemir; Cunha,Gilberto Rocca da; Fontana,Denise Cybis; Monteiro,Jose Eduardo Boffino de Almeida; Nakai,Alan Massaru; Oliveira,Aryeverton Fortes de.
Abstract: The objective of this work was to locate and quantify, through geotechnologies, areas that are currently used for annual agriculture in the Cerrado biome of Central Brazil, located within the boundaries defined by the homogeneous region of adaptation of wheat cultivars 4 and that present favorable conditions for rainfed wheat (Triticum aestivum) cultivation. The following information layers were crossed: use and coverage of the Cerrado biome, digital elevation model, and water requirement satisfaction index for wheat in the Cerrado biome. In addition, different levels of water stress (low, moderate, and high), risk levels (20, 30, and 40%), available soil water capacities (ASWCs) (35, 55, and 75 mm), cultivar cycles (105, 115, and 125 days), and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Triticum aestivum; Agricultural zoning; Climatic risk; Territorial management; Tropical wheat.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000700779
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