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RISS 인기검색어
- 검색키워드
- 저자 : Moazzam Hassanpour Asil (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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Silver Thiosulphate in Relation to Vase Life of Narcissus Cut Flowers (Narcissus jonquilla)
Zeynab Roein,Moazzam Hassanpour Asil1,Babak Rabiei 한국원예학회 2009 Horticulture, Environment, and Biotechnology Vol.50 No.4
Narcissus is one of the cut flowers which postharvest problems cause loss of quality and shorter vase life. In this research, silver thiosulphate (STS) was used for improving quality and vase life of cut flowers. The flowers were harvested at the goose neck stage and pulsed in the different concentrations of STS (control treated with distilled water, 0.2, and 0.4 mM) for 24 hours. Results showed that the 0.2 mM STS was the best treatment and increased vase life of narcissus cut flowers to 10 days. After the short period of treatment, concentration of 0.4 mM STS caused severe burning of the tepals and was toxic. The 0.4 mM treatment slightly reduced the rate of senescence of flowers. Also, results showed that there was positive relationship between the fresh weight and water uptake with longevity of narcissus cut flower.
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Moazzam Hassanpour Asil,Mahnaz Karimi,Hedayat Zakizadeh 한국원예학회 2013 Horticulture, Environment, and Biotechnology Vol.54 No.1
The aim of the present work was to study the role of 1-methylcyclopropene (1-MCP) on vase life and other postharvest qualities of cut spray carnation flowers. The experiment was arranged in a completely randomized factorial design composed of two factors: 1-MCP concentration at four levels (0, 0.4, 0.6, and 0.8 g・m-3) and a period of treatment at 2 levels (3 and 6 hours) with four replications. According to the analysis of variance, time duration, 1-MCP concentration and their interaction had significant effects on the vase life, ethylene production,anthocyanin concentration, and weight loss of cut flowers (P ≥ 0.01). The treatment for 6 hours was better than 3hours in all concentrations of 1-MCP. The longest vase life (16.25 days) was obtained when 0.6 g・m-3 1-MCP was used for 6 hours. Ethylene production by freshly cut flowers in the treatment of 0.6 g・m-3 1-MCP for 6 hours was negligible as compared with the control. Applying 1-MCP at any dose significantly minimized the % weight loss as compared to the control on days 5 and 8. Interaction between 1-MCP concentrations and a period of treatment on chlorophyll content was not significant.
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Response of Tuberose (Polianthes tuberose L.) to Gibberellic Acid and Benzyladenine
Moazzam Hassanpour Asil,Zeynab Roein,Jafar Abbasi 한국원예학회 2011 Horticulture, Environment, and Biotechnology Vol.52 No.1
Effect of different chemical treatments on quantitative characteristics of Polianthes tuberose L. (cv. Goldorosht Mahallat) was investigated. This research was conducted in a factorial experiment based on block design with 3 replications. 40 and 54 days after planting, the flowers were sprayed with various concentrations of Gibberellic acid (GA3) and Benzyladenine (BA) (0, 50, and 100 ppm). The results showed that, flowering stem length and leaves length were greatest with GA3 at 100 ppm while BA no increase these traits compared to the control. GA3 resulted in earlier flowering compared to the control. BA and GA3 decreased number of floret. Greatest diameter of floret and vase life of cut flower was BA at 50 and 100 ppm, respectively.
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Effects of Low Temperature and GA₃ on Quality of Cut Flowers of Narcissus jonquilla ‘German’
Zeynab Roein,Moazzam Hassanpour Asil,Babak Rabiei 한국원예학회 2008 Horticulture, Environment, and Biotechnology Vol.49 No.5
In this study, the effects of low temperature and GA3 were investigated on the bulb forcing and quality of Narcissus. Temperature and GA3 were studied in two (4℃ for 12 weeks and 23℃) and four (0, 200, 400 and 600 ppm) levels, respectively. The experiment was performed at Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran, in 2006. The results indicated that sprouting occurred faster (9.34 days) in bulbs treated for 12 weeks at 4℃ than those non chilled (34.34 days). Moreover, low temperature treatment reduced flowering time (37.06 days). Vase life was much shorter in chilled bulbs than none chilled. GA3 reduced the sprouting period more than control treatment (0 ppm), so with increasing GA₃ concentration, sprouting was decreased (r² = 0.74). However, the effects of GA₃ on the flowering time and quality of flowers were not significant. Temperature × GA₃ interaction was not significant on the all studied traits. Results from this study showed that chilling of Narcissus bulbs prior to planting may be used as an effective treatment to overcome dormancy and promote uniformity in bulbs sprouting.
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