Table 2 (continued)
Weed species
Allelopathic
source
Application
mode
Weed dry
weight
reduction (%) References
Purple nutsedge
Sorghum
crop
Applied as
surface
mulch
22.2–59.9%
reduction in
weed density
in rice
Jungle rice
Sorghum
crop
Applied as
surface
mulch
16.6–35.4%
reduction in
weed density
in rice
Crowfoot grass
Sorghum
crop
Applied as
surface
mulch
33.3–63.3%
reduction in
weed density
in rice
Swine cress
Rice crop
Applied as
surface
mulch
65.2%
reduction in
weed density
in wheat
[76]
Toothed dock (Rumex
dentatus L.)
Rice crop
Applied as
surface
mulch
76.9%
reduction in
weed density
in wheat
Common lamb’s quarter
Rice crop
Applied as
surface
mulch
62.5%
reduction in
weed density
in wheat
Littleseed canarygrass
Rice crop
Applied as
surface
mulch
46.2%
reduction in
weed density
in wheat
Barnyard grass, pickerel
weed, Indian jointvetch
(Aeschynomene indica L.)
Billy-goat
weed
(Ageratum
conyzoides L.)
Mixed in soil
as powder
70–100
[109]
Wild oat
Black
mustard
(Brassica
nigra L.) crop
Soil
incorporation
68
[110]
Pickerel weed, smallflower
umbrella sedge, hemlock
beggarticks (Bidens
biternata L.)
Lilyturf
(Ophiopogon
japonicus K.)
Mixed in soil
as powder
82.6–100
[111]
Cuban jute (Sida
rhombifolia L.), common
purslane, common cocklebur
(Xanthium strumarium L.),
Ipomoea spp., wild senna
(Cassia obtusifolia L.)
Rye crop
Cover crop
80–90
[112]
(continued)
23 Ecological Management of Agricultural Pests Through Allelopathy
553