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 6

Effect of aqueous extracts of eight green manure cover crops on the seedling vigor index (SV1) 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	7.07^a	6.91^abc	5.91^cd	0.00^g	0.00^g	8.59^ab	7.65^c	6.51^d	5.18^e	0.77^f
Stem	7.05^ab	7.18^a	5.18^de	4.75^ef	0.00^g	8.64^a	8.00^bc	7.70^c	7.45^c	6.60^d
Root	7.25^a	7.56^a	7.35^a	5.95^bcd	3.70^8f	8.56^ab	8.56^ab	8.43^ab	7.99^bc	8.00^bc
LSD	1.128					0.622
Red sunnhemp
Leaf	7.22^abc	7.41^abc	6.74^d	4.92^e	4.23^f	8.63^a	8.10^abc	6.55^f	4.74^g	4.89^g
Stem	6.98^cd	7.37^abc	7.44^ab	7.13^abcd	6.71^d	8.57^ab	8.38^ab	8.55^ab	7.75^cde	7.29^e
Root	7.21^abc	7.52^a	7.26^abc	7.39^abc	7.00^bcd	8.60^a	8.52^ab	8.28^abc	8.01^bcd	7.46^de
LSD	0.489					0.576
Common rattlepod
Leaf	7.51^ab	7.50^ab	6.55^de	5.76^f	4.47^g	8.86^a	8.23^ab	6.53^c	4.85^d	0.00^e
Stem	7.40^bc	7.54^ab	7.45^b	6.60^de	6.35^e	8.84^a	8.78^a	8.58^ab	8.56^ab	7.86^b
Root	7.53^ab	7.95^a	7.65^ab	7.48^b	6.96^cd	8.74^a	8.75^a	8.39^ab	8.10^ab	6.95^c
LSD	0.518					0.843
Common bean
Leaf	7.63^a	7.82^a	7.15^ab	5.62^bcd	1.34^e	8.75^a	8.09^cd	7.76^de	6.81^f	4.96^h
Stem	7.62^a	4.35^d	5.63^bcd	5.15^cd	0.00^e	8.75^a	8.33^bc	7.64^e	6.08^g	5.26^h
Root	7.79^a	7.43^ab	7.07^abc	3.83^d	1.90^e	8.80^a	8.51^ab	8.13^bcd	8.06^cd	7.61^e
LSD	1.918					0.400
Radish
Leaf	7.24^ab	7.77^a	6.27^bc	3.63^d	0.40^f	8.81^a	7.66^de	5.99^f	4.09^g	0.00^h
Stem	7.03^ab	7.60^a	7.67^a	7.33^a	5.33^c	8.64^ab	8.71^ab	8.63^ab	8.42^abc	8.04^bcd
Root	7.06^ab	7.58^a	6.98^ab	6.85^ab	2.25^e	8.83^a	8.19^abcd	8.04^bcd	7.77^cd	6.97^e
LSD	1.020					0.746
Showy rattlebox
Leaf	7.13^ab	7.05^abc	5.71^c	3.06^d	1.06^e	8.87^a	7.90^ab	5.94^c	3.62^d	0.35^e
Stem	6.14^bc	7.74^a	7.48^ab	7.31^ab	3.65^d	8.48^ab	8.49^ab	8.24^ab	7.69^b	5.63^c
Root	6.98^abc	7.41^ab	7.31^ab	7.81^a	7.55^a	8.71^ab	8.73^ab	8.43^ab	8.13^ab	7.88^ab
LSD	1.378					1.156
Tephrosia
Leaf	7.20^ab	7.39^ab	7.29^ab	7.16^ab	7.28^ab	8.67^ab	8.04^ef	7.73^fg	6.72^i	4.52^j
Stem	7.33^ab	6.01^c	2.07^d	0.00^e	0.00^e	8.62^abc	8.40^abcde	8.19^de	7.62^gh	7.34^h
Root	7.07^b	7.39^ab	7.52^ab	7.42^ab	7.67^a	8.68^ab	8.75^a	8.46^abcd	8.33^bcde	8.27^cde
LSD	0.585					0.378
Black sunnhemp
Leaf	4.94^ab	3.96^d	4.20^cd	4.55b^cd	1.76^e	8.75^a	7.41^d	5.43^f	2.66^g	0.00^h
Stem	5.20^ab	5.31^ab	5.33^a	4.59^abcd	4.86^abc	8.60^ab	8.46^abc	7.97^abcd	7.65^cd	6.44^e
Root	4.86^abc	5.00^ab	5.20^ab	5.33^a	5.20^ab	8.73^a	8.49^abc	8.31^abc	8.33^abc	7.75^bcd
LSD	0.894					0.868

Means followed by the same letter for each GMCC are not significantly different at .