The Scientific World Journal / 2012 / Article / Tab 2 / Research Article
Critical Period of Weed Control in Aerobic Rice Table 2 Five most dominant weed species at the end of different weedy periods in the two seasons (off-season 2010 and main season 2010/2011, with summed dominance ratios (SDRs) followed by standard error (SE)).
Weed species Weedy Weedy Weedy Weedy Season long weedy Off-season 2010 Axonopus compressus
1
3
.
7
±
3
.
7
— — — — Cleome rutidosperma DC—
1
1
.
4
±
5
.
4
1
3
.
5
±
3
.
2
1
5
.
7
±
2
.
8
1
0
.
3
±
2
.
6
Cyperus distans
1
5
.
5
±
4
.
4
— — — — Cyperus rotundus L.
3
9
.
9
±
1
6
.
2
3
1
.
4
±
8
.
3
1
1
.
2
±
4
.
0
9
.
9
±
2
.
9
9
.
2
±
1
.
9
Eleusine indica (L.) Gaertn.— — — —
7
.
6
±
2
.
2
Fimbristylis miliacea (L.) Vahl—
7
.
2
±
1
.
8
6
.
1
±
2
.
5
6
.
7
±
3
.
4
— Physalis heterophylla Nees
9
.
2
±
2
.
4
1
7
.
6
±
3
.
9
2
8
.
2
±
7
.
5
2
6
.
5
±
4
.
6
2
0
.
8
±
5
.
8
Scoparia dulcis L.
7
.
1
±
3
.
1
1
5
.
8
±
5
.
1
1
5
.
9
±
6
.
8
1
8
.
0
±
5
.
2
1
2
.
0
±
3
.
4
Main season 2010/2011 Axonopus compressus
5
.
7
±
0
.
9
— — — Cleome rutidosperma DC
1
6
.
4
±
7
.
3
1
8
.
7
±
5
.
7
2
0
.
1
±
6
.
7
1
7
.
6
±
7
.
9
1
5
.
3
±
5
.
1
Cyperus rotundus L.
3
3
.
6
±
8
.
6
2
6
.
2
±
8
.
2
1
3
.
2
±
2
.
3
8
.
3
±
3
.
5
7
.
2
±
2
.
8
Jussiaea linifolia Vahl— — — —
6
.
6
±
2
.
9
Leptochloa chinensis (L.) Nees— —
3
.
6
±
0
.
7
7
.
8
±
2
.
7
Mimosa pudica L.—
6
.
6
±
2
.
5
— — Physalis heterophylla Nees
2
2
.
3
±
3
.
8
2
7
.
4
±
5
.
9
2
9
.
5
±
1
3
.
1
2
6
.
5
±
6
.
8
2
3
.
7
±
7
.
2
Scoparia dulcis L.
2
.
5
±
0
.
4
6
.
3
±
1
.
4
1
1
.
7
±
3
.
5
1
0
.
4
±
5
.
2
1
4
.
6
±
4
.
6
