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Vigor of canola seeds through quantification of CO2 emission Ciência e Agrotecnologia
Dranski,João Alexandre Lopes; Pinto Júnior,Artur Soares; Herzog,Neusa Francisca Michelon; Malavasi,Ubirajara Contro; Malavasi,Marlene de Matos; Guimarães,Vandeir Francisco.
Seed marks the beginning of grain production from cultivated crops. Ensuring seed quality is the priority in the field of seed technology. In this context, the purpose of this study was to evaluate the use of carbon dioxide concentration to Classify Brassica napus seed lots of different quality resulting from various sowing dates. Seed lots were evaluated by percentage of normal plantlets and the germination rate index. CO2 concentration was quantified in samples submitted to five periods of incubation at 40° C with the aid of a gas exchange analyzer coupled to an injection and airflow system. The results were subjected to analysis of variance and the mean values were compared by the Duncan test and by regression analysis at the 5% level of significance....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brassica napus L.; Seed respiration; Infrared gas analyser; Physiological quality.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542013000300005
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