Morphological, Physiological and Molecular Changes in Solanum tuberosum L. in Response to Pre-sowing Tuber Irradiation by Gamma Rays

N. Hamideldin^1, and O.S. Hussin.¹

¹National Products Research Department, National Center for Radiation Research and Technology (NCRRT), Nasr City, Egypt

Cite this paper:
N. Hamideldin and O.S. Hussin.. Morphological, Physiological and Molecular Changes in Solanum tuberosum L. in Response to Pre-sowing Tuber Irradiation by Gamma Rays. American Journal of Food and Nutrition. 2014; 2(1):1-6. doi: 10.12691/ajfn-2-1-1

Abstract

Tuber of two two varieties of potato named Silana and Daimont were irradiated with control, 10 and 30 Gy of gamma rays before planting to investigate its effects on morphological, physiological criteria and DNA profiles. The effects of γ-irradiation on stored tubers were also investigated. It was observed that irradiation treatments improved vegetative characters in Silana and most of the physical properties were increased in response to treatment with 10Gy. But, in Daimont vareity, the physical properties were inconsistently affected. Total phenols showed insignificant changes in the two varieties as affected by gamma irradiation and storage. A higher level of Ca, Cl, Fe and Na were detected in Silana as compared with corresponding contents in Daimont variety. Gamma irradiation treatments induced changes in DNA profile within the two varieties used.

Keywords:
potato Solanum tuberosum storage minerals phenols TSS DNA

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