Improving Shoot Multiplication Of Strawberry (Fragaria Ananassa L. Cv. Roby Gem) In Vitro By Using Agnps And Iron Nanoparticles

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Husham K. Abbas and Muslim A. A. Abdulhussein

Abstract

The current study was carried out to study the effect of adding different concentrations of nano silver nitrate (0, 5, 10 and 15 mg L-1) to the cultures in initiation stage of strawberry (Fragaria ananassa cv. Ruby Gem) and adding the same concentrations of iron (traditional and nano iron) on shoot multiplication stage. Results showed that there were significant differences between nano silver nitrate concentrations in initiation stage as it increased the response percentage, number and length of shoots and reduced the percentage of contamination of cultures at 10 and 15 mg L-1 concentrations compare to the control treatment (0 mg L-1). The outcome of shoot multiplication experiment indicated that silver nitrate concentration and the source of iron separately had significant positive effect on studied traits as well as their interaction, when the 10 mg L-1 of nano silver nitrate and nano iron treatment gave the highest average of shoots number and its dry and fresh weight as it reached 11.00 shoot, 2.23g and 0.26g respectively in comparison with lowest average recorded 5.33 shoot, 1.28g and 0.16g respectively in control treatment with traditional iron.

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