Research Article

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 tissueExtract concentration (% w v−1)Extract concentration (% w v−1)
01.252.53.75501.252.53.755
Goose grassBlackjack

Hyacinth bean
Leaf30.00bc28.50bcd19.50de3.50fg0.00g95.00a70.00d49.00e26.00f4.00g
Stem31.00bc37.50b27.00cd9.00fg0.00g96.00a81.00bcd81.00bcd71.00d42.00e
Root36.00bc53.50a49.50a20.50d11.00ef92.00ab91.00abc82.00bcd85.00abc79.00cd
LSD9.27612.710

Red sunnhemp
Leaf37.5ab46.0a35.5ab14.5c7.0c96.00a73.00de45.00f28.00g20.00g
Stem30.5b33.5b37.0ab30.5b27.5b91.00ab83.00bcd86.00abc73.00de63.00e
Root32.0b36.0ab29.5b37.5ab30.0b94.00ab86.00abc82.00bcd78.00cd62.00e
LSD10.60112.260

Common rattlepod
Leaf36.50def41.00cde22.00g11.50h4.00h100.00a75.00cd38.00e16.00f0.00f
Stem36.13def47.50abc48.50abc32.00efg24.50g94.00ab91.00abc88.00abc88.00abc68.00d
Root29.50fg52.00ab44.50bcd56.50a45.00bcd91.00abc98.00a79.00bcd69.00d68.00d
LSD10.27416.35

Common bean
Leaf42.50ab48.50a35.50abc12.50defg7.00fg97.00a91.00a75.00bc47.00e18.00f
Stem43.50ab24.50cd23.00cde30.00bc8.00efg97.00a90.00a55.00de21.00f17.00f
Root48.50a47.00a49.00a22.00cdef4.50g94.00a86.00ab93.00a84.00ab66.00cd
LSD15.85613.090

Radish
Leaf38.50bcde54.50a29.00e12.00fg2.00g99.00a68.00c35.00d12.00e0.00e
Stem34.00cde41.00bcd46.50ab37.50bcde15.50f92.00ab93.00ab89.00ab82.00bc78.00bc
Root38.50bcde44.00abc34.50cde30.50de5.50fg99.00a93.00ab88.00ab67.00c41.00d
LSD10.61915.980

Showy rattlebox
Leaf32.50cd31.50d13.50e3.00f1.50f96.00a64.00ef29.00g17.00g1.00h
Stem31.00d44.00ab42.00abc37.50abcd10.50ef82.00bcd86.00abc73.00de64.00ef28.00g
Root32.00cd35.50bcd34.00bcd46.00a37.50abcd87.00ab92.00ab74.00cde70.00de57.00f
LSD10.04413.390

Tephrosia
Leaf32.50bc34.50abc34.00abc29.50c29.00c98.00a90.00abcd84.00cde50.00g26.00h
Stem38.50ab19.50d8.50e0.00f0.00f92.00abcd95.00abc89.00abcd76.00ef64.00f
Root32.50bc33.50bc41.50a32.50bc41.50a94.00abc97.00ab90.00abcd81.00de85.00bcde
LSD7.82112.216

Black sunnhemp
Leaf32.00abcd25.00de21.00e30.00cde2.00e93.00a46.00d19.00f6.00g0.00g
Stem38.00abc42.50a39.50abc30.50cde32.50abcd80.00b80.00b64.00c60.00c30.00e
Root31.50bcde30.00cde36.50abc41.50ab37.50abc88.00ab82.00b79.00b84.00ab67.00c
LSD10.5829.834

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