ACO gene expression and catalase activity under the influence of salicylic acid and plant extracts in two miniatures Carnation cut flowers
Carnation is one of the most important cut flowers in the world. The flower is to reduce the economic value due to its short vase life. Some materials can be used to help increase the vase life of cut flowers. According to this, using salicylic acid hormone and plant extracts treatment increased the shelf life of cut flowers. Factorial experiment based on a completely randomized design was conducted with 10 treatments (Different concentrations of salicylic acid, Savory and hemp extracts) and four replications with two varieties of miniature carnation. Factors such as vase life, antioxidant enzymes catalase and the relative gene expression ACC oxidase (ACO) were evaluated. Results showed that the interaction of treatments and cultivars was effective in vase life. Spectro cultivar vase life was more than a pretty tessino cultivar. Salicylic acid at 150ppm increased vase life and catalase activity. In addition, this treatment decreased relative ACO gene expression more than the other treatments and control. Savory and hemp extract treatments at high concentrations increased vase life as well as catalase activity, but ACO expression decreased. So it seems that the use of these treatments can be complementary or good alternative to other chemical treatments.
Iranian Journal of Horticaltural Sciences, Volume:48 Issue:3, 2018
715 - 722
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