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Table 1 Effect of population, temperature and water potential on seed germination percentage and rate (1/t50) of B. pilosa were analyzed by GLMMs based on binomial distribution

From: Effect of temperature and water potential on the germination of seeds from three different populations of Bidens pilosa as a potential Cd hyperaccumulator

Source of variation

Chi

Germination percentage (%)

Chi

Germination rate (1/t50)

df

P

df

P

Population (P)

40.618

2

0.000***

9.816

2

0.007**

Temperature (T)

69.607

6

0.000***

1047.690

6

0.000***

Water potential (W)

95.603

3

0.000***

7.620

2

0.022*

P × T

36.225

12

0.000***

88.658

12

0.000***

P × W

2.242

6

0.896

5.980

4

0.200

T × W

36.106

18

0.007**

422.804

12

0.000***

P × T × W

63.701

36

0.003**

104.628

24

0.000***

  1. *P < 0.05
  2. **P < 0.01
  3. ***P < 0.001