Biology Department

image

The change in weight of the herbivores is important as well as the area of leaf that they ate.

branch/plant no.

site

light environment

treatment

branches (cm)

total branch length (cm)

E. hortaria no.

E. hortaria initial mass

E. hort Final Mass (g)

E. hort Dry Weight (g)

Leaf Area Eaten (cm^2)

total mass gain

relative mass gain

total mass per leaf area

relative mass per leaf area

1

1

edge

Control

3.5+0.5+1

50

1

0.1261

2

1

edge

Jasmonic Acid

 30+17

47

2

0.086

148.0509223

3

1

edge

Clipping

33+21

54

3

0.012

0.1438

0.0187

757.7242949

0.1318

1098.333333

0.000173942

1.449515794

4

1

edge

Herbivory

46+10

56

4

0.0314

0.0773

0.0119

0.0459

146.1783439

5

2

interior

Jasmonic Acid

20+30

50

5

0.1181

6

2

interior

Clipping

5+5+40

50

6

0.1514

0.3755

0.096

793.33736

0.2241

148.0184941

0.000282478

0.186576987

7

2

interior

Herbivory

45

45

7

0.0698

0.3506

0.0406

1677.438089

0.2808

402.2922636

0.000167398

0.239825402

8

2

interior

Control

40+10

50

8

0.1151

0.12

0.0283

3818.891418

0.0049

4.25716768

1.28309E-06

0.001114765

9

3

interior

Herbivory

38+12+10

60

9

0.0272

0.1268

0.0128

1097.662965

0.0996

366.1764706

9.07382E-05

0.333596452

10

3

interior

Control

34+14

48

10

0.0631

435.9057752

11

3

interior

Jasmonic Acid

18+14+28

60

11

0.0146

0.1102

0.0135

847.0008828

0.0956

654.7945205

0.000112869

0.773074189

12

 3

interior

Clipping

6+44

50

12

0.0784

0.2968

0.0305

2057.543093

0.2184

278.5714286

0.000106146

0.135390325

13

4

interior

Clipping

 30+22

52

13

0.0343

0.2877

0.0378

2022.719881

0.2534

738.7755102

0.000125277

0.365238666

14

4

interior

Herbivory

28+17+16

61

14

0.01

0.1688

0.0164

563.327603

0.1588

1588

0.000281896

2.818963586

15

4

interior

Control

16+7+29

52

15

0.0169

7.921758119

16

4

interior

Jasmonic Acid

30+15

45

16

0.0257

0.302

0.0306

1513.055801

0.2763

1075.097276

0.000182611

 0.710547011

17

1

interior

Control

34+29

63

17

0.062

0.5108

0.07

2234.888259

0.4488

723.8709677

0.000200815

0.323895821

18

1

interior

Jasmonic Acid

40+11

51

18

0.2208

19

1

interior

Clipping

35+10

45

19

0.095

20

1

interior

Herbivory

35+10

45

20

0.024

0.0816

0.0082

385.8430516

0.0576

240

0.000149283

 0.62201457

21

2

edge

Jasmonic Acid

39+10

49

21

0.031

0.2338

0.028

1597.872044

0.2028

654.1935484

0.000126919

0.409415479

22

 >2

edge

Clipping

33+10

46

22

0.035

0.1446

0.0147

662.0824235

0.1096

313.1428571

0.000165538

0.472966576

23

2

edge

Herbivory

30+5

49

23

0.053

0.1962

0.02

559.6106491

0.1432

270.1886792

0.000255892

0.482815471

24

3

edge

Herbivory

28+18+29+5

80

25

0.036

0.4074

0.052

1219.091205

0.3714

1031.666667

0.000304653

0.846258805

25

3

edge

Control

14+24+26

64

26

0.3234

237.6527436

26

3

edge

Jasmonic Acid

35+16

51

27

0.0824

0.3257

0.0849

2210.960368

0.2433

295.2669903

0.000110043

0.133546939

27

3

edge

Clipping

35+5

40

28

0.0277

0.1708

0.0201

250.1045393

0.1431

516.6064982

0.000572161

2.065562263

28

4

edge

Clipping

25+20

45

29

0.0167

0.1241

0.0142

12.12656228

0.1074

643.1137725

0.008856591

53.03347787

29

4

edge

Herbivory

24+7+5+5+5

46

30

0.022

0.1101

0.0136

0.0881

400.4545455

30

4

edge

Control

30+11+8

49

31

0.137

0.7283

0.1059

2510.663012

0.5913

431.6058394

0.000235515

0.171909108

31

4

edge

Jasmonic Acid

25+8+14

47

32

0.034

0.0563

0.0059

436.2077777

0.0223

65.58823529

5.11224E-05

0.150360078

32

2

edge

Control

35+5+10

47

33

0.0921

 533.2667379

Return to Chris's Project - Induced Defense (How Spicebush Fights Back)

This material is based upon work supported by the National Science Foundation under Grant No. 0442049.

Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.