Table 2 ANOVAs for the effects of fragment type (one-node and two-node) and position of the node with respect to the soil surface (on, above and under the soil surface) on sprouting and growth of the final size of alligator weed.

From: Vegetative propagation capacity of invasive alligator weed through small stolon fragments under different treatments

  

DF

Sprouting rate

Sprouting time

Stem length

Above-ground biomass

No. of nodes

Rooting time

Root length

Root biomass

Apical node upward (on or above the soil surface)

Type

1

0.40 ns

0.99 ns

16.36***

26.75***

8.72**

0.15 ns

49.88***

22.79***

Position

1

3.60#

22.55***

3.73#

8.45*

1.29 ns

0.27 ns

10.46**

0.08 ns

T × P

1

0.40 ns

5.43*

5.83*

7.35*

2.74 ns

4.19#

5.30*

2.13 ns

Basal node downward (on or above the soil surface)

Type

1

185.66***

13.05**

0.36 ns

1.57 ns

0.12 ns

0.13 ns

11.82**

22.2***

Position

1

0.51 ns

1.97 ns

4.27#

3.45#

11.60**

0.77 ns

75.35***

53.27***

T × P

1

0.06 ns

4.20#

53.61***

37.47***

109.86***

0.02 ns

10.54**

21.29***

Apical node downward (on or under the soil surface)

Type

1

13.33**

4.28#

0.07 ns

0.42 ns

1.08 ns

4.13#

0.11 ns

0.05 ns

Position

1

13.33**

0.27 ns

26.05***

18.79***

12.37**

37.94***

51.98***

23.81***

T × P

1

0 ns

2.12 ns

5.42*

2.26 ns

3.70#

1.56 ns

7.05*

0.13 ns

Basal node upward (on or under the soil surface)

Type

1

770.13***

97.14***

41.37***

13.67**

10.99**

11.28**

29.23***

10.50**

Position

1

43.20***

120.28***

17.47**

9.01*

1.91 ns

56.59***

85.51***

23.90***

T × P

1

64.53***

90.78***

16.09**

8.37*

3.54#

12.18**

9.31**

0.79 ns

  1. Degree of freedom (DF), F values and the significance levels (***P < 0.001, **P < 0.01, *P < 0.05, #P < 0.1, ns P ≥ 0.1) are given.
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