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 2

Effect of different osmotic potentials of polyethylene glycol (PEG) solutions on the seedling vigor index of blackjack and goose grass.

PEG solution osmotic potential (MPa)	Goose grass	Blackjack
0.00	1634.2^b	5807.2
0.05	2479.7^a	6088.3
0.10	2433.3^a	5624.0
0.15	1772.6^b	6046.6
0.20	1542.9^b	5926.6
0.25	2471.0^a	5201.8
0.30	2088.8^ab	6005.1
value	0.013	0.202
LSD	652.63	NS

Means followed by different letters in the same column are significantly different at .