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Provedor de dados:  Ciência Rural
País:  Brazil
Título:  Ethylene, 1-methylcyclopropene and silver thiosulfate on the post-production of ornamental pepper
Autores:  Lima,Paula Cristina Carvalho
Ribeiro,Wellington Souto
Oliveira,Milena Maria Tomaz de
Costa,Lucas Cavalcante da
Finger,Fernando Luiz
Data:  2017-01-01
Ano:  2017
Palavras-chave:  Ethylene action inhibitors
Leaf abscission
Capsicum annuum
Resumo:  ABSTRACT: Species from Capsicum genus are used for different purposes and in more recent years as ornamental potted plant. Despite the increased commercial importance, there are only a few studies on the environmental factors affecting the post-production shelf life of these ornamental plants. The presence of ethylene induces various responses on potted peppers, reducing the shelf life of sensitive cultivars. This study aimed to evaluate the effects of ethylene and the inhibitors of ethylene action, 1-methylcyclopropene (1-MCP) and silver thiosulfate (STS) on the shelf life of potted 'Calypso' and 'MG 302' peppers. Cultivar 'MG 302' showed intermediate sensitivity to ethylene action, while the cultivar 'Calypso' showed complete abscission of leaves when exposed to ethylene. In both cultivars, treatment with STS + Ethylene presented symptoms of phytotoxicity in plants, while treatment with 1-MCP + Ethylene was effective in delaying senescence and abscission for the cultivar 'MG 302', while cultivar 'Calypso' showed abscission similar to control plants. Plants treated with STS showed the longest durability when compared to the other treatments, about six days for 'Calypso' and 18 days for 'MG 302'. Nevertheless, plants treated with 1-MCP also exhibited good shelf life, about six days for 'Calypso' and nine days for the 'MG 302'. Although the treatment with STS was more efficient on the plants shelf life, did not completely block the action of ethylene and exhibited some phytotoxicity, while the treatment with 1-MCP had good efficiency without inducing any toxicity.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000200203
Editor:  Universidade Federal de Santa Maria
Relação:  10.1590/0103-8478cr20151611
Formato:  text/html
Fonte:  Ciência Rural v.47 n.2 2017
Direitos:  info:eu-repo/semantics/openAccess
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