Biology on Your Own
Answer this question? Are all radishes the same?
Using Crimson Red, Cherry Belle, Breakfast Fancy, and White Icicle radishes students at Warren High School tested germination and root growth in the following conditions, room (control), different pH, different salt solutions and with the absence of light. Their data is below. Email me your conclusion, and don't forget to support your answer with data.
|
Control (cherry belle) |
|||||
|
Day |
|||||
|
Cups |
1 |
2 |
3 |
4 |
|
|
A |
0 |
10 |
15 |
11.5 |
|
|
B |
0 |
5 |
7.5 |
11.5 |
|
|
C |
0 |
34.5 |
44.5 |
54.5 |
|
|
D |
0 |
11 |
15 |
18 |
|
|
E |
0 |
0.05 |
4.5 |
4.5 |
|
|
Salt |
|||||
|
Day |
|||||
|
Cups |
1 |
2 |
3 |
4 |
|
|
1% |
0 |
8.25 |
20.25 |
28 |
|
|
5% |
0 |
6 |
8 |
9 |
|
|
10% |
0 |
2 |
3 |
3.5 |
|
|
15% |
0 |
0 |
0 |
0 |
|
|
20% |
0 |
0 |
0 |
0 |
|
|
pH |
|||||
|
Day |
|||||
|
Cups |
1 |
2 |
3 |
4 |
|
|
A |
0 |
0.15 |
0.15 |
0.15 |
|
|
B |
0 |
1.2 |
1.6 |
2.25 |
|
|
C |
0 |
0.35 |
0.35 |
0.35 |
|
|
D |
0 |
0 |
0 |
0 |
|
|
E |
0 |
0 |
0 |
0 |
|
|
Darkness |
|||||
|
Day |
|||||
|
Cups |
1 |
2 |
3 |
||
|
A |
0 |
25 |
35 |
4 |
|
|
B |
0 |
5 |
9 |
40 |
|
|
C |
0 |
10 |
11.5 |
10 |
|
|
D |
0 |
5 |
5 |
12 |
|
|
E |
0 |
18 |
24 |
5 |
|
|
Control (white icicle) |
|||||
|
Day |
|||||
|
Cups |
1 |
2 |
3 |
4 |
|
|
A |
0 |
2.75 |
4.85 |
6.5 |
|
|
B |
0 |
3.5 |
6.5 |
8.5 |
|
|
C |
0 |
0.5 |
0.75 |
1.5 |
|
|
D |
0 |
5.25 |
7.35 |
7.5 |
|
|
E |
0 |
2.5 |
5.25 |
7.5 |
|
|
Salt |
|||||
|
Day |
|||||
|
Cups |
1 |
2 |
3 |
4 |
|
|
A |
0 |
1.85 |
2.4 |
3.85 |
|
|
B |
0 |
0.25 |
0.25 |
0.35 |
|
|
C |
0 |
0.55 |
0.55 |
0.6 |
|
|
D |
0 |
0 |
0 |
0 |
|
|
E |
0 |
0 |
0 |
0 |
|
|
pH |
|||||
|
Day |
|||||
|
Cups |
1 |
2 |
3 |
4 |
|
|
A |
0 |
0.2 |
0.35 |
0.35 |
|
|
B |
0 |
1.15 |
2.2 |
2.45 |
|
|
C |
0 |
0 |
0.25 |
0.25 |
|
|
D |
0 |
0.02 |
0.25 |
0.25 |
|
|
E |
0 |
0 |
0 |
0 |
|
|
Darkness |
|||||
|
Day |
|||||
|
Cups |
1 |
2 |
3 |
4 |
|
|
A |
0 |
1.6 |
2.15 |
2.7 |
|
|
B |
0 |
3.6 |
3.9 |
5.5 |
|
|
C |
0 |
3 |
7.5 |
9 |
|
|
D |
0 |
0 |
1.5 |
1.75 |
|
|
E |
0 |
3.9 |
5.75 |
7 |
|
|
Control (breakfast fancy) |
||||
|
Day |
||||
|
Cups |
1 |
2 |
3 |
4 |
|
A |
0 |
22.5 |
35 |
55 |
|
B |
0 |
37.5 |
22.5 |
125 |
|
C |
0 |
15 |
22.5 |
42.5 |
|
D |
0 |
40 |
70 |
100 |
|
E |
0 |
35 |
47.5 |
72.5 |
|
Salt |
||||
|
Day |
||||
|
Cups |
1 |
2 |
3 |
4 |
|
A |
0 |
0 |
1mm |
1mm |
|
B |
0 |
0 |
0 |
0 |
|
C |
0 |
0 |
0 |
0 |
|
D |
0 |
0 |
0 |
0 |
|
E |
0 |
0 |
0 |
0 |
|
pH |
||||
|
Day |
||||
|
Cups |
1 |
2 |
3 |
4 |
|
2 |
0 |
0 |
0 |
0 |
|
6 |
0 |
34 |
36.5 |
41.5 |
|
7 |
0 |
26.25 |
32.5 |
41.25 |
|
10 |
0 |
0 |
0 |
0 |
|
11 |
0 |
0 |
0 |
1 |
|
Darkness |
||||
|
Day |
||||
|
Cups |
1 |
2 |
3 |
4 |
|
A |
0 |
8.5mm |
11.5mm |
16.5mm |
|
B |
0 |
18.5mm |
24mm |
64.5mm |
|
C |
0 |
9mm |
16mm |
21.5mm |
|
D |
0 |
22mm |
29.5mm |
74mm |
|
E |
0 |
40mm |
22.5mm |
36mm |
|
Control (crimson giant) |
||||
|
Day |
||||
|
Cups |
1 |
2 |
3 |
4 |
|
A |
0 |
2.75 |
6.65 |
8.2 |
|
B |
0 |
2.5 |
9.5 |
7.1 |
|
C |
0 |
2.7 |
7 |
10.15 |
|
D |
0 |
3.05 |
9 |
8.2 |
|
E |
0 |
2.2 |
3.6 |
4.6 |
|
Salt |
||||
|
Day |
||||
|
Cups |
1 |
2 |
3 |
4 |
|
A |
0 |
0 |
0 |
0 |
|
B |
0 |
0 |
0 |
0 |
|
C |
0 |
0 |
0 |
0 |
|
D |
0 |
0 |
0 |
0 |
|
E |
0 |
0 |
0 |
0 |
|
pH |
||||
|
Day |
||||
|
Cups |
1 |
2 |
3 |
4 |
|
A |
0 |
0 |
0 |
0 |
|
B |
0 |
1 |
2.05 |
2.1 |
|
C |
0 |
5 |
9 |
13.75 |
|
D |
0 |
0 |
0 |
0 |
|
E |
0 |
0.15 |
0.35 |
0.35 |
|
Darkness |
||||
|
Day |
||||
|
Cups |
1 |
2 |
3 |
4 |
|
A |
0 |
2.1 |
5 |
9 |
|
B |
0 |
2.65 |
4.05 |
5.75 |
|
C |
0 |
2.7 |
3.45 |
5.3 |
|
D |
0 |
0.6 |
0.7 |
2.1 |