Integration of Agronomic Practices with Herbicides for Sustainable Weed Management in Aerobic Rice

Table 2

Weed composition with summed dominance ratio (SDR) followed by standard error (SE) in off season 2010 and main season 2010/2011 as observed in season-long weedy check.

Scientific name	Family name	SDR (SE)
		Main season; 2010/2011	Off season; 2011
Broadleaves
Physalis heterophylla Nees	Solanaceae	18.36±6.4	15.54±3.78
Scoparia dulcis L.	Scrophulariaceae	12.50±4.2	10.32±3.41
Cleome rutidosperma DC	Capparidaceae	12.38±3.9	9.30±1.45
Jussiaea linifolia Vahl	Onagraceae	5.63±1.2	4.75±0.98
Phyllanthus niruri L.	Euphorbiaceae	4.84±0.9	3.86±0.74
Hedyatis corymbosa (L.) Lam.	Rubiaceae	2.32±0.6	2.56±0.22
Mimosa pudica L.	Fabaceae	1.98±0.58	3.75±1.01
Alternanthera sessilis (L.) R. Br. Ex DC.	Amaranthaceae	1.25±0.25	1.03±0.55
Euphorbia hirta L.	Euphorbiaceae	1.06±0.29	2.58±0.73
Emilia sonchifolia (L.) DC. Ex Wight	Asteraceae	0.96±0.31	1.40±0.56
Sedges
Cyperus rotundus L.	Cyperaceae	8.77±2.76	13.52±2.47
Fimbristylis miliacea (L.) Vahl	Cyperaceae	6.63±1.06	3.17±1.30
Cyperus sphacelatus Rottb.	Cyperaceae	—	5.63±1.51
Cyperus aromaticus	Cyperaceae	3.91±0.65	0.98±0.28
Grasses
Eleusine indica (L.) Gaertn.	Poaceae	7.88±3.10	7.31±2.11
Leptochloa chinensis (L.) Nees	Poaceae	6.11±1.42	9.21±2.44
Echinochloa colona (L.) Link	Poaceae	2.43±0.35	4.56±1.02
Digitaria ciliaris (Retz.) Koel	Poaceae	2.67±0.80	—
Axonopus compressus (Sw.) Beauv	Poaceae	0.32±0.10	0.53±0.12