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Pakistan Journal of Biological Sciences

Year: 2013 | Volume: 16 | Issue: 19 | Page No.: 1051-1055
DOI: 10.3923/pjbs.2013.1051.1055

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Authors


Biniam Adugna


Derbew Belew


Negussie Kassa


Keywords


  • petal edge drying
  • Flower bud shrinkage
  • leaf wilting
Research Article

Response of Carnation (Dianthus caryophyllus) Cultivars to Different Postharvest Preservatives

Biniam Adugna, Derbew Belew and Negussie Kassa
Experiments were conducted to assess the effect of selected pulsing solutions on the days to flower bud shrinkage, leaf wilting and petal edge drying occurrence of carnation cultivars (Green-Go and Galy). The pulsing solutions used for this investigation were Silver Thiosulfate (STS) (0.2, 0.6, 1 mM) and also ethanol (6, 8, 10%), both received equal amount of sucrose (10%). Besides, to simulate the actual practice of the farm (0.4 mM Silver Thiosulfate (STS) plus 0.3 mM T.O.G®) was used as a standard control. Senescence symptoms such as flower bud shrinkage, petal edge drying and leaf wilting were monitored. The results obtained showed that 1 mM STS plus 25 g sucrose achieved rapid petal edge drying for Green-Go cultivar. On the other hand, positive effects were also observed in days to flower bud shrinkage extended by 6 mM Silver Thiosulfate (STS) plus 25 g sucrose and being in par with 8% ethanol plus 25 g sucrose for Green-Go cultivar. Subsequently, the standard control, 0.6 mM Silver Thiosulfate (STS) plus 25 g sucrose and 8% ethanol plus 25 g sucrose attended comparable increment on the days to leaf wilting occurrences.
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How to cite this article

Biniam Adugna, Derbew Belew and Negussie Kassa, 2013. Response of Carnation (Dianthus caryophyllus) Cultivars to Different Postharvest Preservatives. Pakistan Journal of Biological Sciences, 16: 1051-1055.

DOI: 10.3923/pjbs.2013.1051.1055

URL: https://scialert.net/abstract/?doi=pjbs.2013.1051.1055

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