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Showing 2 results for Meftahizade
Assessment of some yield characteristics and phytochemical traits in Damask rose (Rosa damascena Mill.) affected by manure and compost application
Ali Porghalandar, Heidar Meftahizade, Mohammad Reza Kudori,
Volume 11, Issue 47 (Vol. 11, No. 47 2023)
Abstract

In order to investigate the effect of organic fertilizers including compost and manure on morphological, yield and qualitative characteristics of Rosa damascena Mill, an experiment was conducted in a complete randomized block design with 7 treatments in 3 replications in Sirjan city in 2018-2019. The treatments included compost (20, 25 and 30 tons per hectare) and manure (10, 15 and 20 tons per hectare) along with the control (without fertilizer application). Results showed that fertilizer in all of the investigated characteristics was significant. Mean comparison of data showed that 20 tons / hectare manure responded better regarding to canopy, height, leaf length and width, fresh and dry weight of flowers, number of flowers, phenol, chlorophyll, and antioxidant. On the other hand, 30 tons / ha compost  showed  maximum in number of branches, leaves per plant, fresh and dry weight per plant  and essential oil yield. Also, cluster analysis showed that 20 and 30 tons / hectare manure and compost were put in the same group. Based on the results, 20 and 30 tons / hectare manure and compost, respectively, had the maximum effect on morphological and qualitative characteristics of Rosa damascena Mill seedlings.


Optimizing in vitro micropropagation of Begonia rex using plant growth regulators
Ali Rezapour, Maryam Dehestani-Ardakani, Kazem Kamali, Jaber Nasiri, Heidar Meftahizadeh,
Volume 13, Issue 59 (vol. 13, no. 59 2024)
Abstract
This research was conducted to optimize in vitro micropropagation of Begonia rex as an important ornamental pot plant. In vitro callogenesis and regeneration of three cultivars of B. rex (Jurassic, Silver dollar and Silver king) were carried out starting from leaf segments as explants. Eight Murashige and Skoog′s media consisted of four plant growth regulators, including α-naphthaleneacetic acid (NAA), 6-benzyladenine (BA), 3-Indole-3-butyric acid (IBA), and Thidiazuron (TDZ). After four weeks, callogenesis and regeneration started. After eight weeks of proliferation, the explants were transferred to MS culture medium supplemented with 0.05 mg/l gibberellic acid. The highest direct regeneration percent occurred in the medium containing 0.5 mg/L BA + 0.2 mg/L TDZ. Callogenesis, regeneration and root formation occurred in all treatments. The highest number of leaves was observed in the culture medium supplemented with 1 mg/L IBA + 1 mg/L BA in the Jurassic cultivar. Medium fortified with 0.2 mg/L NAA + 0.2 mg/L BA and 1 mg/L IBA + 1 mg/L BA was selected as the best medium for increasing the fresh weight and proliferation of cv. Jurassic. The highest amounts of chlorophyll a and b were obtained in 0.5 mg/l BA + 0.2 mg/l TDZ and 1 mg/l of IBA + 1 mg/l of BA treatments in ‘Jurassic’ and ‘Silver dollar’ cultivars. The survival rate of transplanted plant lets was about 100%. Generally, the combination of 1 mg/l IBA with 1 mg/l BA could be introduced as an effective and useful treatment in the micropropagation of studied three cultivars of Begonia rex.

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