![Page 1: Effects of Club Soda on Brassica rapa - Longwood Universityblogs.longwood.edu/tyranevers5/files/2018/02/Biol.120-presentation.pdf•Question: By watering Brassica rapa with club soda](https://reader033.vdocuments.us/reader033/viewer/2022051814/60356290e25dff621c136fdf/html5/thumbnails/1.jpg)
Effects of Club Soda on Brassica rapaBy: Hannah Davis & Tyra Nevers
![Page 2: Effects of Club Soda on Brassica rapa - Longwood Universityblogs.longwood.edu/tyranevers5/files/2018/02/Biol.120-presentation.pdf•Question: By watering Brassica rapa with club soda](https://reader033.vdocuments.us/reader033/viewer/2022051814/60356290e25dff621c136fdf/html5/thumbnails/2.jpg)
Introduction • Background: Club soda contains carbonated
water, potassium bicarbonate, potassium citrate, and potassium sulfate which we think would make the Brassica rapa grow more.
• We watered plants with club soda to see if it would increase the growth rate of Brassica rapa over a 3 week period.
2
![Page 3: Effects of Club Soda on Brassica rapa - Longwood Universityblogs.longwood.edu/tyranevers5/files/2018/02/Biol.120-presentation.pdf•Question: By watering Brassica rapa with club soda](https://reader033.vdocuments.us/reader033/viewer/2022051814/60356290e25dff621c136fdf/html5/thumbnails/3.jpg)
Introduction (cont.)
• Question: By watering Brassica rapa with club soda instead of with tap water over a period of three weeks, we wanted to determine if there was a measurable growth increase in the stem, root, and leaf length?
• Hypothesis: Based on the ingredients in club soda, Brassica rapa will have a higher growth rate than the control (water).
July 22, 2012 3
![Page 4: Effects of Club Soda on Brassica rapa - Longwood Universityblogs.longwood.edu/tyranevers5/files/2018/02/Biol.120-presentation.pdf•Question: By watering Brassica rapa with club soda](https://reader033.vdocuments.us/reader033/viewer/2022051814/60356290e25dff621c136fdf/html5/thumbnails/4.jpg)
Materials & Methods
• Preparation:•1 Bottle Commercial Club Soda•Wisconsin Fast Plants™ Kit
• Followed standard Wisconsin Fast Plants™ setup
• Germinated with club soda •Contains: carbonated water,
potassium bicarbonate, potassium citrate potassium sulfate.
Step 1 Wick
Step 2
Dirt
Step 3
Fertilizer
Step 4
Soil
Step 5
Seeds
Step 6
Soil
Step 7
H20 Reservoir
Step 8
Saturate
![Page 5: Effects of Club Soda on Brassica rapa - Longwood Universityblogs.longwood.edu/tyranevers5/files/2018/02/Biol.120-presentation.pdf•Question: By watering Brassica rapa with club soda](https://reader033.vdocuments.us/reader033/viewer/2022051814/60356290e25dff621c136fdf/html5/thumbnails/5.jpg)
Experimental Analysis
![Page 6: Effects of Club Soda on Brassica rapa - Longwood Universityblogs.longwood.edu/tyranevers5/files/2018/02/Biol.120-presentation.pdf•Question: By watering Brassica rapa with club soda](https://reader033.vdocuments.us/reader033/viewer/2022051814/60356290e25dff621c136fdf/html5/thumbnails/6.jpg)
Stem Growth Rate
0
2
4
6
8
10
12
14
16
1 2 3 4 5 6 7 8 9 10 11 12 13
Ste
m L
eng
th (
cm)
Days
A B C D
0
2
4
6
8
10
12
14
16
0 2 4 6 8 10 12 14
Ste
m L
eng
th (
cm)
Days
A B C D
Linear (A) Linear (B) Linear (C) Linear (D)
![Page 7: Effects of Club Soda on Brassica rapa - Longwood Universityblogs.longwood.edu/tyranevers5/files/2018/02/Biol.120-presentation.pdf•Question: By watering Brassica rapa with club soda](https://reader033.vdocuments.us/reader033/viewer/2022051814/60356290e25dff621c136fdf/html5/thumbnails/7.jpg)
Stem Growth
0
2
4
6
8
10
12
14
16
A B C D
Ste
m G
row
th(c
m)
Plants Quad
Independent Control
![Page 8: Effects of Club Soda on Brassica rapa - Longwood Universityblogs.longwood.edu/tyranevers5/files/2018/02/Biol.120-presentation.pdf•Question: By watering Brassica rapa with club soda](https://reader033.vdocuments.us/reader033/viewer/2022051814/60356290e25dff621c136fdf/html5/thumbnails/8.jpg)
Average Leaf Size
0 5 10 15 20 25
A
B
C
D
Average Leaf Size (mm)
Qu
ad
s
![Page 9: Effects of Club Soda on Brassica rapa - Longwood Universityblogs.longwood.edu/tyranevers5/files/2018/02/Biol.120-presentation.pdf•Question: By watering Brassica rapa with club soda](https://reader033.vdocuments.us/reader033/viewer/2022051814/60356290e25dff621c136fdf/html5/thumbnails/9.jpg)
Average Root Length
0 10 20 30 40 50 60
Club Soda
Tap Water
Average Root Length(mm)
Wa
ter
Ty
pe
![Page 10: Effects of Club Soda on Brassica rapa - Longwood Universityblogs.longwood.edu/tyranevers5/files/2018/02/Biol.120-presentation.pdf•Question: By watering Brassica rapa with club soda](https://reader033.vdocuments.us/reader033/viewer/2022051814/60356290e25dff621c136fdf/html5/thumbnails/10.jpg)
Discussion
• Hypothesis: Based on the ingredients in club soda, Brassica rapa will have a higher growth rate than the control (water).
• Based on the stem length we rejected the hypothesis because only half of our data was supported
• Control has a stable growth rate, all of the measurements are around the same height.
![Page 11: Effects of Club Soda on Brassica rapa - Longwood Universityblogs.longwood.edu/tyranevers5/files/2018/02/Biol.120-presentation.pdf•Question: By watering Brassica rapa with club soda](https://reader033.vdocuments.us/reader033/viewer/2022051814/60356290e25dff621c136fdf/html5/thumbnails/11.jpg)
Discussion
• Hypothesis: Based on the ingredients in club soda, Brassica rapa will have a higher growth rate than the control (water).
• Based on the root length of the experimental and control variables our hypothesis was rejected.
• We think the potassium citrate in the club soda counteracted the growth.
• New experiment: water the plants with 2/3 club soda and 1/3 water
![Page 12: Effects of Club Soda on Brassica rapa - Longwood Universityblogs.longwood.edu/tyranevers5/files/2018/02/Biol.120-presentation.pdf•Question: By watering Brassica rapa with club soda](https://reader033.vdocuments.us/reader033/viewer/2022051814/60356290e25dff621c136fdf/html5/thumbnails/12.jpg)
Questions?