Treatment |
No. of broad leaf weeds/m2 |
No. of grassy weeds/m2 |
No. of sedge weeds/m2 |
30 DAS |
40 DAS |
30 DAS |
40 DAS |
30 DAS |
40 DAS |
T1 |
30.94 |
40.29 |
65.40 |
67.27 |
22.43 |
27.93 |
T2 |
15.98 |
20.89 |
16.27 |
17.29 |
6.44 |
7.44 |
T3 |
1.48 |
1.50 |
1.22 |
1.50 |
1.75 |
2.50 |
T4 |
20.33 |
21.11 |
11.88 |
20.78 |
12.50 |
14.49 |
T5 |
16.73 |
19.49 |
13.23 |
17.60 |
14.00 |
17.51 |
T6 |
20.94 |
22.45 |
14.48 |
21.44 |
10.00 |
15.48 |
T7 |
15.99 |
20.20 |
12.61 |
16.5 |
10.00 |
15.32 |
T8 |
13.40 |
16.93 |
14.01 |
18.48 |
11.50 |
15.88 |
T9 |
15.45 |
17.90 |
12.22 |
23.32 |
11.50 |
12.95 |
T10 |
15.88 |
19.96 |
13.11 |
21.01 |
11.00 |
15.51 |
T11 |
13.04 |
21.88 |
15.22 |
16.04 |
16.00 |
16.72 |
T12 |
19.34 |
22.23 |
13.66 |
19.51 |
13.50 |
16.73 |
T13 |
14.85 |
17.22 |
13.55 |
17.44 |
12.50 |
19.61 |
T14 |
14.44 |
21.88 |
13.22 |
18.44 |
12.00 |
17.99 |
SE m (±) |
1.26 |
1.61 |
0.72 |
0.80 |
1.42 |
1.55 |
CD at 5% |
3.80 |
4.85 |
2.22 |
2.46 |
4.29 |
4.69 |
|
Note T1: No weeding (weedy check); T2: Hand weeding at 20 & 40 DAS; T3: Total Weed free (Regular weeding as and when required); T4:Quizalofop-p-ethyl@37.50 g a.i.
ha-1; T5:Quizalofop-p-ethyl@75.00 g a.i. ha-1; T6: Pendamethalin@1 kg a.i. ha-1; T7: Pendamethalin@2 kg a.i. ha-1; T8: Imazethapyr @ 25 g a.i. ha-1; T9: Imazethapyr@40 g a.i.
ha-1; T10: Imazethapyr@55 g a.i. ha-1; T11: Fenoxaprop-p-ethyl@50 g a.i. ha-1; T12: Fenoxaprop-p-ethyl@100 g a.i. ha-1; T13: Vellore 32 (Pendamethalin 30 EC+Imazethapyr
2 EC)@0.75 kg a.i. ha-; T14: Vellore 32 (Pendamethalin 30 EC+Imazethapyr 2 EC)@1.00 kg a.i. ha-1.
*DAS: Days after sowing. |
Table 1: Effect of herbicides on weed population of green gram crop. (Pooled data of two years). |