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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Jan 2015, 36 (1)                                                                                                             Back

nstantaneous and historical temperature effects on a-pinene

Effect of Mentha pulegium extract and 8-hydroxy quinoline sulphate to extend the quality and vase life of rose (Rosa hybrid) cut flower


Davood Hashemabadi1*, Ali Mohammadi Torkashvand1, Behzad Kaviani1, Maryam Bagherzadeh2,

Mohaddeseh Rezaalipour2 and Mohammad Zarchini3

1Department of Horticulture, Rasht Branch, Islamic Azad University, Rasht, 4147654919, Iran

2Department of Horticulture, Rasht Branch, Islamic Azad University, Rasht, 4147654919, Iran

3Young Researchers Club, Rasht Branch, Islamic Azad University, Rasht, 4147654919, Iran

*Corresponding Author E-mail:




 Publication Data

Paper received:

26 June 2013


Revised received:

19 December 2013



31 March 2014



Rose is an ornamental plant which contains one of the world's top cut flowers. Vase life of cut rose flower is short. Extracts of Mentha pulegium and 8-hydroxy quinoline sulphate (8-HQS) were used as two preservative solutions, aiming to extend the vase life of cut rose (Rosa hybrid L.) flowers. Rose flowers were treated with a vase solution containing the extract of M. pulegium, at concentrations of 0, 10, 20 and 30%, in combination with 8-HQS at concentrations of 0, 200, 400 and 600 mg l-1. Longevity of cut roses flowers was determined on the basis of wilting and chlorophyll retention. Cut roses flowers were kept at room temperature (202C) under normal day light and natural ventilation. The vase life of cut flowers studied was prolonged by all 8-HQS and extract treatments. The best concentration of 8-HQS and extract were 400 mg l-1 and 10%, respectively. Our results indicated that the flowers treated with the extract and 8-HQS had longer vase life, higher rate of solution uptake and lower SPAD value (total chlorophyll) compared to the control. Also, cut flowers treated with the extract and 8-HQS had least bacterial colonies. The greatest longevity of vase life by 11.20 and 10.25 days was related to 400 mg l-1 8-HQS and 10% of extract, respectively. These treatments improved cut vase life more than the control treatment. The maximum solution uptake (1.85 ml g-1 f.wt.) and minimum SPAD value (2.19) were calculated in 30% extract along with 200 mg l-1 8-HQS, and 200 mg l-1 8-HQS, respectively. The lowest number of bacterial colonies (55.75) was obtained in treatment of 600 mg l-1 8-HQS. Flower quality of specimens treated with extract and 8-HQS was better than those of the control. The experiments were repeated three times with three replicates and a completely randomized design had been used. The present study concludes that it would be possible to use preservative solutions containing extract of M. pulegium L. and 8-HQS to extend vase life of cut rose (R. hybrida L.) flowers.  


 Key words

Antimicrobial agents, Essential oils, Flower longevity, Ornamental plants, Vase solutions




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