African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6169

Full Length Research Paper

Physiological quality of colza seeds (Brassica napus L.) after coating and seed treatment during storage

Rosemere dos Santos Silva
  • Rosemere dos Santos Silva
  • Center of Agricultural Sciences, Federal University of Paraiba, Areia, Paraíba, Brazil.
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Dalmo Marcello de Brito Primo
  • Dalmo Marcello de Brito Primo
  • Department of Plant Science, State University of Paraíba, Lagoa Seca, Paraíba, Brazil.
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Joselito Sousa Moraes
  • Joselito Sousa Moraes
  • Agricultural Engineering Academic Unit (UAEA), Federal University of Campina Grande, Campina Grande, Paraíba, Brazil.
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Wilton Pereira da Silva
  • Wilton Pereira da Silva
  • Agricultural Engineering Academic Unit (UAEA), Federal University of Campina Grande, Campina Grande, Paraíba, Brazil.
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Yvana Maria Gomes dos Santos
  • Yvana Maria Gomes dos Santos
  • Agricultural Engineering Academic Unit (UAEA), Federal University of Campina Grande, Campina Grande, Paraíba, Brazil.
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Antonio Jackson Ribeiro Barroso
  • Antonio Jackson Ribeiro Barroso
  • Federal Institute of Pernambuco, Belo Jardim, Pernambuco, Brazil.
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Alexandre Jose de Melo Queiroz
  • Alexandre Jose de Melo Queiroz
  • Agricultural Engineering Academic Unit (UAEA), Federal University of Campina Grande, Campina Grande, Paraíba, Brazil.
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Josivanda Palmeira Gomes
  • Josivanda Palmeira Gomes
  • Agricultural Engineering Academic Unit (UAEA), Federal University of Campina Grande, Campina Grande, Paraíba, Brazil.
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Francisco de Assis Cardoso Almeida
  • Francisco de Assis Cardoso Almeida
  • Agricultural Engineering Academic Unit (UAEA), Federal University of Campina Grande, Campina Grande, Paraíba, Brazil.
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Bruno Adelino de Melo
  • Bruno Adelino de Melo
  • Agricultural Engineering Academic Unit (UAEA), Federal University of Campina Grande, Campina Grande, Paraíba, Brazil.
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  •  Received: 16 January 2019
  •  Accepted: 01 April 2019
  •  Published: 18 April 2019

Abstract

Seed coating is a technique widely used by growers to increase, standardize and improve seed germination conditions. Despite this, there is lack of information about the physiological quality of coated seeds during storage. The objective of this study is to evaluate the physical and physiological quality of colza (Brassica napus L.) seeds coated with bentonite and treated with fungicide and black pepper plant extract within 120 days of storage. Colza seeds were coated with bentonite as a filler material and polyvinyl acetate (PVA) glue as cementing material. For treatment of the seeds a fungicide (Carboxin + Thiram) and black pepper (Piper nigrum L.) plant extract were added together with the cementing material. Seeds with no coating or treatment were used as controls. After coating, the seeds were stored for 120 days, and the first germination counting, germination, third counting, shoot dry matter and water content were evaluated every 30 days. Germination and vigor of canola seeds coated and treated with fungicide or black pepper plant extract decreased significantly throughout the storage period. At 120 days of storage, the germination of the seeds coated with bentonite + glue and bentonite + plant extract was at an average of 33.6% in the third counting.

Key words: Brassica napus L, water content, seed coating, bentonite.