The Effect of Different Gamma Radiation Doses Applied on Tokak 157/37 Barley (Hordeum vulgare) and Karahan 99 Wheat (Triticum aestivum) on M1 Generation

Abstract

In this research study, the dose of different gamma radiation on seed germination of Hordeum vulgare TOKAK 157/37 barley kind and KARAHAN 99 wheatTriticum aestivum, and the mechanisms of the dose required to maximize the rate and percentage of germination and increased growth of root, seedling, TAEK was conducted in Ankara. The moisture rate has been %11, the barley and wheat seeds whose germination per cent is 98 % has been irradiated with 9 different doses between 0-600Gy in the centre of 60Co which has 1.92 kGy/h powers. The objective of that work was to evaluate determine the efficient gamma radiation dose and to determine the physiological effects and the action of the processing for gamma radiation in plant kinds. At the laboratory experiment it has been seen that the percentage of germination of rising radiation doses has no effect on M1 generation, but after diminishing of root length and seedling height with rising radiation doses it has been determined that the growth of the first leaf has stopped on the 14th day and this event has been given importance statistically for TOKAK 157/37 barley kind, 50 % efficient dose has been determined as ED50 485 Gy, for KARAHAN 99 wheat kind, 50 % efficient dose has been determined as ED50 370 Gy.

Keywords

• Gamma rays
• Root length
• Seedling height
• Physiological effects
• Germination

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