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Estimations of leaf CO2 assimilation, stomatal conductance and transpiration in adult Arabic coffee plants after long-term FACE cultivation. Repositório Alice
RAKOCEVIC, M.; BATISTA, E. R.; MATSUNAGA, F. T.; MUNIZ, G..
The air [CO2] can reach 600 ?L CO2 L-1 in the middle or the end of this century, depending on scenario. The first plant response to elevated CO2 (e[CO2]) is the increased leaf photosynthetic rate (A) occurring parallelly by mainly non-sensitive or decreased stomatal conductance (gs) and decreased transpiration (E). In Arabic coffee, A increases under e[CO2], especially during the dry growing season, while gs responses vary during years under free-air-CO2-enrichment (FACE). The aim of this study was to estimate A, gs and E over a coffee vertical profile after five years cultivation under FACE, including the responses to water availability. Coffee was cultivated under two CO2 conditions, actual (a[CO2], ~390?L CO2 L-1) and e[CO2] (~590?L CO2 L-1). The...
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Dought; Elevated CO2; Light microclimate; Plant vertical profile; Seca.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1116559
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