Effect of Salinity and Gamma Irradiation on Ion Content for Amber Baghdad and Amber Furat Callus

Shatha A. Yousif, Ikhlas A. Jassim


The effect of salinity levels: 6, 10, 12 and 14 dS/m and radiation doses of 0, 250 and 500 rad on the ion content of induced callus from immature embryo of two rice varieties, Amber Baghdad and Amber Furat was studied. Significant differences were found between the rice genotypes in K, Mg and Na concentration, while there were no differences between the genotypes in Ca contents. Increasing salt concentration has resulted in increasing concentration of Na and Mg. However, Ca concentration in callus has significantly decreased under salinity levels of 10, 12 and 14 dS/m compared to 6 dS/m. Radiation did not affect K, Mg and Na concentrations, while Ca concentration decreased under 500 rad dose.

الكلمات المفتاحية

rice, salt, radiation, ion content

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