There are steps that vary in germination, what first happens is the seed’s radical comes out and then the roots also come out. The next step is the embryonic shoot that includes the seed leaves. The rate of germination depends on the species of plant being grown and its environmental factors. In the experiment, students studied the germination of blue lake bush beans in different pH levels including pH 5, pH 6 (tap water), and pH 8. They recorded the germination percentages and mound the average length of the radical daily.

The independent variable is the different pH levels and the dependent variable is the percent germination.

This lab was completed so that the student can see the process of germination and have a better understanding of the concept. The student can also understand how the pH is crucial to the plant’s survival and how the pH affects the plant. Materials Three plastic cups Paper towels Pipette pH solution pH solution pH (tap water) -control Plastic bags 30 Blue Lake Bush beans Ruler Beaker Graduated cylinder Procedures .

Select three plastic cups for each of the three groups, one control group of pH 6 tap water and the 2 experimental groups of pH and pH water 2.

Put 10 seeds in each of the plastic cups 3. Pour ml of the selected water into the cup with seeds in it. 4. Put label of what group the liquid is on the plastic cup. 5. Make observations of the seeds on day one. 6. On day two get three paper towels, one for each group of seeds.

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7. Fold the towels so they will fit in Copilot bags comfortably. 8. Distribute seeds and selected liquid on to the paper towel evenly. . Transfer the label of what group the water is from the cup to the Copilot bag. 10. Check for germination of seeds and write percent germination in observations. 1. Write descriptive data in observations 12. Rinse cups, place on drying rack. 13. Put the paper towel with seeds into to Copilot and close it. 14. Clean area and wash hands. 15. Next day check for percent of germination and record data in observations. 16. Change paper towels out for new ones, spread seeds out evenly again on new towels 17. Add correct solution of liquid to new paper towels. 8. Record data of any radical growth in observations. Record measurements in CM. 19. Find the average of all the seeds in group 20.

Seed Lab Report

Compare that average to the average of the other two experimental groups. 21. Discard any rotten or moldy beans that have been determined that will not grow. 22. Repeat steps 15 through 20 for days 4 through 11. Results Average Seed Growth With Different pH Water Per Day quid Group Average One Two Three Four Five Six Seven Eight Nine Ten Eleven pH No growth . 75 CM No recorded data 1. 72 CM discarded two seeds 1. 775 CM 2. CM discarded three seeds 2. 92 CM. PH . 52 CM 2. 23 CM Discarded one seed 2. 4 CM 3. 0 CM 3. 025 CM 3. 8 CM pH . 60 . 6 CM Discarded four seeds 1. 2 CM 1. 17 CM 1. 4 CM Our hypothesis was that pH 6 tap water would have the blue lake bush beans grow the most and out of all the groups the pH 6 tap water had the most growth. The procedures that we used to get this outcome didn’t stray from the normal procedures so that we could get a more precise outcome. We began to discard seeds on day 7 to a couple seeds that were rotting and the reason for this most keel was that they didn’t have a proper environment to ensure survival and two of the three groups had manipulated pH levels.

Our experiment went fairly well besides the just said statement; something that could be done differently is to not only manipulating pH but also other environmental factors such as light level or color. The data supports our hypothesis due to the fact that the tap water had the most growth in the table of data.

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Seed Labs. (2019, Dec 05). Retrieved from

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