Effect of pre-sowing irradiation of Bromus inermis (L.) seeds on germination, growth and some biochemical parameters
2015
Tilaki, Ghasem Ali Dianati | Alizadeh, Arezu | Khiabani, Behnam Naserian
Present study was conducted to evaluate the effect of pre sowing exposure of gamma rays on seeds of Bromus inermis with doses of 15, 20, 30, 50, 100 and 150 gray, on germination, morphological traits and biochemical parameters. Irradiated seeds were sown in a completely randomized design in laboratory and greenhouse conditions. The seed germination, emergence parameters, growth, yield, chlorophyll, proline and total soluble protein content of leaves were measured. The results showed that the 15 gray doses caused the most positive effects on emergence parameters, growth, yield and chlorophyll content. Also gamma ray exposure on seeds of B. inermis caused significant decrease (P<0.01) in proline concentration. There was no significant differences between control and 15 gray treatment in their proline content but as gamma ray intensity increased proline concentration showed decrease and total soluble protein increased (P<0.01). As overall result, 15 gray can be advised as optimum doses for irradiation treatment in B. inermis.
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