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Articles by Behzad Hajieghrari
Total Records ( 2 ) for Behzad Hajieghrari
  Saeideh Jafar-Pour , Behzad Hajieghrari and Akram Salehi
  In order to evaluate fungicidal effects of Percidin 535® (Per acetic acid 15%) against some phytopathogenic fungi; six concentration of Percidin 535® including 10, 40, 160, 630, 2500 and 10000 ppm mixed with PDA media were evaluated against Fusarium oxysporum, Rhizoctonia solani and Phytophtora citrophthora radial growth. Antifungal activity was determined in terms of growth inhibitory concentration for 50% growth inhibitory (EC50) and inhibition percentage of some dosages was obtained. Also fungicide effect of Percidin 535® was compared with Captan (Ortocide®) in same concentrations of 1000 and 2000 ppm in PDA media. Compound transport by root to aerial parts was evaluated by adding to soil of soybean plants in pots and culturing some parts of leaves and shoots in equal size on PDA media against mycelia plug disc of Fusarium oxysporum. Percidin 535® showed a significantly high effect against linear growth of tested fungi. At 10000 ppm Percidin 535® gave a complete inhibition on mycelia growth of tested species. EC50 for Fusarium oxysporum, Rhizoctonia solani and Phytophtora citrophthora were counted 1381, 887.91 and 947.65 ppm, respectively. Percidin 535® was effective than Captan (Ortocide®) in mycelia growth inhibition of Fusarium oxysporum. The results of compound transport indicate that PAA is able to move in soybean plant from root to aerial parts.
  Mousa Torabi-Giglou and Behzad Hajieghrari
  In this study, in vitro organogenesis of Gladiolus grandiflorus cultivar pink corm segments were evaluated by culturing corm calli in modified MS medium supplemented with 3% sucrose and 0.7% agar with different concentration of BAP (0, 1, 2 and 4 mg L-1 medium) and NAA (0, 0.5, 1 and 2 mg L-1 medium) in factorial experiment of Completely Randomized Design (CRD). In order to obtain Gladiolus calli, corm segments (Aprox. 5x5x1 mm in size) were kept in modified MS medium (Murashige and Skoog, 1962) that was supplemented with 1 mg L-1 2, 4-D, 3% sucrose and 0.7% agar. The results showed that increasing the concentration of BAP from 0 to 2 mg L-1 medium simulated plantlet regeneration but no significantly effect was obtained on shoot and cormel organogenesis between 2 and 4 mg L-1 BAP concentration in medium. Increasing of NAA content in media without BAP developed rootlet significantly. Interaction results showed that increasing BAP content against decreasing of NAA concentration stimulates the shoot and cormel proliferation.
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