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Table 1 Analysis of phenotypic variations under the two condition

From: High altitude population of Arabidopsis thaliana is more plastic and adaptive under common garden than controlled condition

 

Degree of freedom

Common garden (CG)

Controlled condition (GH)

F value

P value

F value

P value

Vegetative traits (measured after 5 weeks of germination)

 Leaf number

2,42

6.8

0.003

88.292

< 0.0001

 Average leaf length (in cm)

2,42

42.043

< 0.0001

16.796

< 0.0001

 Average leaf width (in cm)

2,42

119.872

< 0.0001

130.668

< 0.0001

 Leaf area (leaf length * leaf width)

2,42

175.705

< 0.0001

13.71

< 0.0001

 Leaf shape (leaf length/leaf width)

2,42

2.273

0.116

27.386

< 0.0001

 Petiole length (in cm)

2,42

77.393

< 0.0001

5.187

0.01

 Rosette area (rosette major axis * minor axis)

2,42

307.52

< 0.0001

17.872

< 0.0001

 Rosette shape (rosette major axis/rosette minor axis)

2,42

1.458

0.244

3.775

0.031

Flowering time (estimated as number of days from bolting to germination)

2,42

13.406

< 0.0001

155.423

< 0.0001

Reproductive traits (measured after completion of life cycle)

 Plant height (in cm)

2,42

202.839

< 0.0001

143.112

< 0.0001

 Inflorescence length (in cm)

2,42

80.379

< 0.0001

98.212

< 0.0001

 Average silique length (in cm)

2,42

14.414

< 0.0001

26.655

< 0.0001

 Average length of pedicel of silique (in cm)

2,42

17.827

< 0.0001

0.852

0.434

 Average distance between two siliques (in cm)

2,42

180.659

< 0.0001

25.14

< 0.0001

 Number of flowers produced

2,42

23.672

< 0.0001

3.289

0.047

 Number of fruits

2,42

14.027

< 0.0001

0.385

0.683

 Fertility percentage (estimated as number of fruits/number of flowers * 100)

2,42

8.727

< 0.001

23.922

< 0.0001

  1. ANOVA with phenotypic traits was performed to find the significance of trait differentiations in the three populations of Arabidopsis thaliana grown in the two environmental conditions independently. Significant trait differentiation values are in italics (P < 0.05)