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Scheduling optimum planting window for gladiola based on El Niño Southern Oscillation Scientia Agricola
Becker,Camila Coelho; Streck,Nereu Augusto; Uhlmann,Lilian Osmari; Silveira,Waleska Bolson.
ABSTRACT: Gladiola is an important cut flower worldwide and scheduling field gladiola production is largely dependent on planting at the correct time since its development is controlled by the air temperature. The aim of this study was to configure a planting window of gladiola in order to harvest spikes to be sold on All Souls' Day and Mother's Day holidays in the state of Rio Grande do Sul, Brazil, taking into account the El Niño Southern Oscillation (ENSO) phases. The PhenoGlad model, a dynamic process-based simulation model that simulates gladiola phenology on a daily time step was used in this study. Daily minimum and maximum temperatures over 55 years (1961-2015) from 18 weather stations across Rio Grande do Sul state, Brazil, were used as input data...
Tipo: Info:eu-repo/semantics/article Palavras-chave: PhenoGlad; Peaks of consumption; Scheduling flowering; Temperature; Target date.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162020000500301
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Assessing climate change effects on gladiola in Southern Brazil Scientia Agricola
Becker,Camila Coelho; Streck,Nereu Augusto; Uhlmann,Lilian Osmari; Cera,Jossana Ceolin; Ferraz,Simone Erotildes Teleginski; Silveira,Waleska Bolson; Balest,Darlan Scapini; Silva,Lucas Ferreira da.
ABSTRACT Gladiola ( Gladiolus × grandiflorus Hort.) is an important cut flower for small farmers in Brazil. While the El Niño Southern Oscillation, which causes interannual variability to air temperature in Southern Brazil, can shift the optimum planting window of gladiola, an increase in temperature due to climate change can accelerate gladiola flowering and cause injuries by heat. The objective of this study was to assess the potential climate change effects on gladiola optimum planting date for specific market dates and investigate injuries occurrence on spikes in the Rio Grande do Sul State, Brazil. Field experiments were conducted from 2016 to 2018 at four different locations across the Rio Grande do Sul State to evaluate the performance of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rising temperature; Heat injuries; Spike quality; Planting date.
Ano: 2021 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162021000100301
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