2010
DOI: 10.1590/s0101-31222010000100016
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Condicionamento fisiológico de sementes de pepino e germinação sob diferentes temperaturas

Abstract: RESUMO -O condicionamento fisiológico é uma técnica utilizada para a embebição controlada de sementes e tem como benefícios, aumentar a rapidez e uniformidade na emergência de plântulas e a tolerância das sementes a condições ambientais adversas. O presente trabalho teve como objetivo estudar procedimentos para o condicionamento fisiológico e verificar o desempenho das sementes quando colocadas para germinar sob diferentes temperaturas. Foram utilizados lotes de sementes dos cultivares Safira e Jóia, testando-… Show more

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Cited by 10 publications
(4 citation statements)
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References 32 publications
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“…The decrease in vigor in each treatment that was tested on green beans, as indicated by the tests applied, may be associated with imbibition processes that caused structural damage, such as membrane lysis and cell content leakage. During the decrease in vigor, techniques such as physiological conditioning can be used to reduce damage, in addition to leveling the vigor of different lots, providing speed and uniformity in germination and emergence, and tolerance to development in unfavorable environments (Lima and Marcos-Filho, 2010).…”
Section: Resultsmentioning
confidence: 99%
“…The decrease in vigor in each treatment that was tested on green beans, as indicated by the tests applied, may be associated with imbibition processes that caused structural damage, such as membrane lysis and cell content leakage. During the decrease in vigor, techniques such as physiological conditioning can be used to reduce damage, in addition to leveling the vigor of different lots, providing speed and uniformity in germination and emergence, and tolerance to development in unfavorable environments (Lima and Marcos-Filho, 2010).…”
Section: Resultsmentioning
confidence: 99%
“…De acordo com Pereira et al (2005) dentre os problemas verificados na produção de coentro, a utilização de sementes com baixa qualidade fisiológica é um dos itens constatados. Dessa maneira, em sementes de hortaliças que possuem alto valor comercial, o uso de procedimentos especiais, como o condicionamento fisiológico, pode favorecer o desempenho das sementes (LIMA; MARCOS-FILHO, 2010).…”
Section: Introductionunclassified
“…Seed germination is a series of ordered physiological and morphological changes, those involve interactions hormones, metabolism reactivation, repair of DNA and proteins that respond to a set of environmental conditions (Bewley et al, 2013;Xiong et al, 2021). Unfavorable edaphoclimatic conditions such as temperature, during the stages of activation of metabolic processes directly influence germination and uniform establishment of seedlings, consequently affecting productivity (Lima and Marcos-Filho, 2010). On this point, techniques such as osmotic conditioning of seeds have been developed to increase the speed and uniformity of germination and seedling emergence.…”
Section: Introductionmentioning
confidence: 99%