Evaluation the Response of four Potato Varieties (solanum tuberosum L.) to Growth under Salinity Stress Condition in vitro | ||
| Iraqi Journal of Biotechnology | ||
| Article 1, Volume 13, Issue 2, December 2014, Pages 18-24 | ||
| Authors | ||
| Ahmed Q. Zayed; Hiba A. Jawad; Rami A. Taki; Ali A. AL-Salihy | ||
| Abstract | ||
| Abstract: In vitro effect of salinity in response of growth of four Potato varieties(Ambo, Arizona, Lusa and Rivera) were studied .Result showed difference in the response varieties for tissue culture, Where cultivar Lusa surpassed in response to the growth amounted to 100% of the shoot tips developing planted on the medium, Followed by product Arizona 90%while the response of Rivera was50%.Three concentrations of salinity levels used NaCl(8,10,12 dS/m) were used in addition to the treatment control (6 dS/m)to study the growth. The result showed that there was no significant differences among the varieties, but it was appeared significant differences among salt concentrations .The highest length of the branches was (4.90 cm) at 8 dS/m .The average number of branches at 12 dS/m significantly different from the others and gave the lowest rate (1.125 branch/plant).The number of nods at 10 dS/m gave the highest rate reached 4.125 nod/plant . According to the interaction between varieties and salt concentrations, Arizona gave the highest rate of stem length (5.85cm) and branches number (2.4 branch /plant) at 6 dS/m and Rivera variety gave the highest rate of number of nods which reached 5 nod/plant at 10 dS/m NaCl. | ||
| Keywords | ||
| potato propagation; Potato tissue culture | ||
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