Allelopathic Potential of Green Manure Cover Crops on Germination and Early Seedling Development of Goose Grass [Eleusine indica (L.) Gaertn] and Blackjack (Bidens pilosa L.)
Table 3
Effect of aqueous extracts of eight green manure cover crops on germination percentage of goose grass and blackjack.
Extract tissue
Extract concentration (% w v−1)
Extract concentration (% w v−1)
0
1.25
2.5
3.75
5
0
1.25
2.5
3.75
5
Goose grass
Blackjack
Hyacinth bean
Leaf
30.00bc
28.50bcd
19.50de
3.50fg
0.00g
95.00a
70.00d
49.00e
26.00f
4.00g
Stem
31.00bc
37.50b
27.00cd
9.00fg
0.00g
96.00a
81.00bcd
81.00bcd
71.00d
42.00e
Root
36.00bc
53.50a
49.50a
20.50d
11.00ef
92.00ab
91.00abc
82.00bcd
85.00abc
79.00cd
LSD
9.276
12.710
Red sunnhemp
Leaf
37.5ab
46.0a
35.5ab
14.5c
7.0c
96.00a
73.00de
45.00f
28.00g
20.00g
Stem
30.5b
33.5b
37.0ab
30.5b
27.5b
91.00ab
83.00bcd
86.00abc
73.00de
63.00e
Root
32.0b
36.0ab
29.5b
37.5ab
30.0b
94.00ab
86.00abc
82.00bcd
78.00cd
62.00e
LSD
10.601
12.260
Common rattlepod
Leaf
36.50def
41.00cde
22.00g
11.50h
4.00h
100.00a
75.00cd
38.00e
16.00f
0.00f
Stem
36.13def
47.50abc
48.50abc
32.00efg
24.50g
94.00ab
91.00abc
88.00abc
88.00abc
68.00d
Root
29.50fg
52.00ab
44.50bcd
56.50a
45.00bcd
91.00abc
98.00a
79.00bcd
69.00d
68.00d
LSD
10.274
16.35
Common bean
Leaf
42.50ab
48.50a
35.50abc
12.50defg
7.00fg
97.00a
91.00a
75.00bc
47.00e
18.00f
Stem
43.50ab
24.50cd
23.00cde
30.00bc
8.00efg
97.00a
90.00a
55.00de
21.00f
17.00f
Root
48.50a
47.00a
49.00a
22.00cdef
4.50g
94.00a
86.00ab
93.00a
84.00ab
66.00cd
LSD
15.856
13.090
Radish
Leaf
38.50bcde
54.50a
29.00e
12.00fg
2.00g
99.00a
68.00c
35.00d
12.00e
0.00e
Stem
34.00cde
41.00bcd
46.50ab
37.50bcde
15.50f
92.00ab
93.00ab
89.00ab
82.00bc
78.00bc
Root
38.50bcde
44.00abc
34.50cde
30.50de
5.50fg
99.00a
93.00ab
88.00ab
67.00c
41.00d
LSD
10.619
15.980
Showy rattlebox
Leaf
32.50cd
31.50d
13.50e
3.00f
1.50f
96.00a
64.00ef
29.00g
17.00g
1.00h
Stem
31.00d
44.00ab
42.00abc
37.50abcd
10.50ef
82.00bcd
86.00abc
73.00de
64.00ef
28.00g
Root
32.00cd
35.50bcd
34.00bcd
46.00a
37.50abcd
87.00ab
92.00ab
74.00cde
70.00de
57.00f
LSD
10.044
13.390
Tephrosia
Leaf
32.50bc
34.50abc
34.00abc
29.50c
29.00c
98.00a
90.00abcd
84.00cde
50.00g
26.00h
Stem
38.50ab
19.50d
8.50e
0.00f
0.00f
92.00abcd
95.00abc
89.00abcd
76.00ef
64.00f
Root
32.50bc
33.50bc
41.50a
32.50bc
41.50a
94.00abc
97.00ab
90.00abcd
81.00de
85.00bcde
LSD
7.821
12.216
Black sunnhemp
Leaf
32.00abcd
25.00de
21.00e
30.00cde
2.00e
93.00a
46.00d
19.00f
6.00g
0.00g
Stem
38.00abc
42.50a
39.50abc
30.50cde
32.50abcd
80.00b
80.00b
64.00c
60.00c
30.00e
Root
31.50bcde
30.00cde
36.50abc
41.50ab
37.50abc
88.00ab
82.00b
79.00b
84.00ab
67.00c
LSD
10.582
9.834
Means followed by the same letter for each GMCC are not significantly different at .