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 4

Effect of aqueous extracts of eight green manure cover crops on the radicle length 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	25.1^a	20.0^abc	10.4^d	0.0^e	0.0^e	33.6^a	10.00^e	4.40^f	2.20^fg	0.00^g
Stem	20.6^abc	20.3^abc	16.1^c	6.4^d	0.0^e	35.55^a	15.05^cd	11.15^de	11.70^de	8.85^e
Root	23.8^ab	21.2^abc	18.8^bc	6.6^d	5.8^d	34.1^a	27.00^b	26.65^b	17.20^c	16.95^c
LSD	5.511					3.974
Red sunnhemp
Leaf	22.73^def	18.33^ef	9.16^g	2.15^h	2.15^h	30.10^a	15.85^e	4.85^g	4.05^g	3.60^g
Stem	21.41^def	32.34^ab	29.50^bc	24.30^cde	17.29^f	29.65^a	20.60^d	24.10^c	12.90^e	9.15^f
Root	26.48^bcd	36.25^a	29.95^bc	24.92^cd	17.36^f	28.00^ab	25.45^bc	20.10^d	14.45^e	9.15^f
LSD	6.101					3.184
Common rattlepod
Leaf	37.63^a	27.78^b	19.23^de	16.68^ef	2.98^h	48.95^a	21.55^ef	10.90^g	5.05^hi	0.00^i
Stem	28.23^b	22.65^cd	19.81^de	10.43^g	8.73^g	53.40^a	39.30^b	31.35^c	30.35^cd	18.50^f
Root	38.53^a	33.73^a	25.98^bc	13.65^fg	10.18^g	48.70^a	34.95^bc	25.90^de	21.05^ef	6.55^gh
LSD	5.035					5.162
Common bean
Leaf	33.15^a	32.80^a	25.95^ab	13.90^cd	2.09^fg	39.70^b	13.10^ef	11.40^f	4.95^gh	2.75^h
Stem	31.13^a	10.65^de	8.20^def	13.10^cd	0.00^g	38.70^b	19.85^d	17.05^de	9.05^fg	4.75^gh
Root	32.75^a	19.05^bc	9.55^def	3.95^efg	3.65^efg	45.35^a	29.75^c	18.85^d	17.70^de	13.20^ef
LSD	7.671					5.167
Radish
Leaf	21.75^bcd	26.98^ab	5.15^fg	2.39^g	0.13^g	46.95^a	11.25^ef	4.05^g	1.23^g	0.00^g
Stem	19.60^cd	32.45^a	30.70^a	27.80^ab	11.13^ef	44.55^a	33.25^b	30.75^b	23.40^c	17.60^d
Root	15.40^de	28.58^ab	22.83^bc	23.15^bc	1.44^g	48.50^a	9.85^ef	9.25^f	14.05^de	11.35^ef
LSD	7.066					4.512
Showy rattlebox
Leaf	22.58^cd	21.20^cd	18.98^d	8.48^ef	0.56^f	45.10^a	14.60^ef	4.00^gh	2.40^gh	0.05^h
Stem	18.81^d	34.95^a	27.25^abcd	24.16^bcd	9.88^e	28.55^bc	22.60^cd	23.90^bcd	9.90^fg	1.85^h
Root	18.98^d	31.09^ab	28.05^abc	35.15^a	35.27^a	41.10^a	30.40^b	27.85^bcd	20.85^de	20.80^de
LSD	8.465					7.534
Tephrosia
Leaf	2.64^cd	3.06^abc	2.83^bcd	2.93^abcd	3.27^abc	37.25^a	17.05^cd	12.50^d	11.48^d	1.88^e
Stem	2.29^de	1.75^e	0.10^f	0.00^f	0.00^f	38.03^a	22.95^bc	19.75^bc	12.95^d	11.25^d
Root	1.95^e	3.05^abc	2.86^abcd	3.46^ab	3.52^a	39.80^a	34.85^a	25.70^b	25.05^b	24.10^b
LSD	0.667					6.693
Black sunnhemp
Leaf	3.12^abc	2.15^c	2.26^c	2.23^c	0.31^d	37.70^a	12.40^de	6.05^f	1.00^g	0.00^g
Stem	3.36^ab	3.39^ab	3.67^a	2.45^bc	2.43^bc	38.40^a	21.70^b	16.80^cd	11.20^e	9.65^ef
Root	2.85^abc	3.62^a	3.42^ab	3.32^ab	3.41^ab	40.05^a	24.70^b	21.10^bc	20.15^bc	10.75^ef
LSD	0.997					4.851

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