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Exploring the Impact of Salinization on Radish Seed Germination

This study investigates how varying salinity levels affect the germination of radish seeds. We hypothesized that seeds would fail to germinate when exposed to salinity levels exceeding 2.5%. Our experiments involved measuring salt concentrations in increments of 0.5% up to 3.5% in Petri dishes, containing ten radish seeds each. Findings revealed that growth was minimal at 2.5% salinity, while higher salt concentrations resulted in no germination and mold growth. These results confirm that water with salinity greater than 2.5% is detrimental to seed germination.

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Exploring the Impact of Salinization on Radish Seed Germination

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  1. B.A.M.S. Inc. “Changing America… … One Seed at a Time”

  2. THE PROBLEM

  3. Hypothesis • The seeds would cease to germinate after 2.5% salinization

  4. Variables • Our group measured the experimental variable, (salt) in increments of .5% per Petri dish, increasing until we reached a maximum measurement of 3.5%.  The salt was mixed in distilled water so that every gram would be congruent with its percentage ex. 5%, 10%, etc.

  5. Petri dishes Ten radish seeds per dish Table salt Paper towels Distilled water Tape Balances Test tubes Labels Graduated cylinder Beaker Permanent marker Materials

  6. Graph

  7. Results • At 2.5% the growth was not remarkable and all measurements past 2.5% did not germinate but grew mold over time.  The results therefore were conclusive with our hypothesis:  Water with a salt content greater than 2.5% is not conducive to plant germination or growth.    

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