physicochemical

EFFECT OF WEED MANAGEMENT PRACTICES ON WEED CONTROL
Table 2.Effect of weed management on yield, yield attributes and economics of onion
Treatments Bulb diameter Bulb weight Bulb yield BCR
(cm) (q)
(ha -1 )
2003 2004 2003 2004 2003 2004 2003 2004
T1-Weedy (check) 3.3 3.4 27.4 24.2 123 116 2.92 2.75
T2-HW at 15,30,45,60 DAT 4.9 4.9 40.1 40.32 280 265 5.67 5.37
T3-Oxyflourfen @150g ai ha -1 3.7 3.8 30.1 30.7 159 150 3.75 3.54
T4-Oxydiargyl @0.1kg ai ha -1 3.8 3.9 32.2 30.2 165 152 3.86 3.55
T5-Pendimethalin @ 1kg ai ha - 3.9 3.9 31.4 29.8 154 149 3.62 3.50
T6- T3+ HW at 45 DAT 4.5 4.6 37.4 35.6 237 220 5.29 4.91
T7-T4+ HW at 45DAT 4.5 4.6 37.2 36.8 226 223 5.00 4.93
T8-T5+ HW at 45DAT 4.6 4.5 38.2 37.0 226 222 5.30 4.94
SEm + 0.03 0.03 1.75 1.39 20 15
CD at 5% 0.06 0.05 3.70 2.97 42 32
REFERENCES
Kewat, K.L., Yogendra Singh and Shailendra
Rathore. 2006. Efficacy of oryzalin in onion.
Indian Journal of Weed Science.38(1and
2):165-166.
Kolhe, S.S. 2001 Integrated weed management in
onion (Allium cepa L) Indian Journal of Weed
Science.33(1and 2): 26-29.
Tewari, A.N., Rathi, K.S., Hussain, K., Singh, J. K
and Singh, B. 1999. Integrated weed
management in onion (Allium cepa L). Indian
Journal of Weed Science. 31:53-55
Verma, S.K and Singh, T. 1996. Weed control in kharif
onion (Allium cepa L). Indian Journal of Weed
Science. 28:48-51
Warade, A.D.,Gonge, V.S., Jogande, N.D.,
Ingole,P.G and Karunakar, A.P. 2006.
Integrated weed management in onion. Indian
Journal of Weed Science.38 (1&2): 92-95
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