- Biswas, J.c., et al. (1992). Int. Rice Res. Newsletter 17(3): 14.
- Fajardo, F.F., etal., 1990. J. Pl. Protection Tropics 7: 165-171.
- Hari om, etal. (1993). Indian J. Weed Sci. 25: 14-17.
- Rao, A.N. and Moody, K. (1998). Crop Production 7: 202-206.
A field experiment was conducted during rabi 1999 to evaluate different herbicides in
hybrid rice (Oryza sativa L) nursery. Among the herbicides tried, pretilachlor + safener 0.45
kg ai/ha applied on 7 days after sowing (DAS) was found to be the most effective in controlling
weeds. Higher weed toxicity rating (6.67), weed control efficiency (69.43%) and rice
seedling vigour index (50.92) were recorded lAiith the pretilachlor + safener 0.45 kg/ha.
Lower number of weeds (10.0 1m2) was also observed with the same treatment. This was
followed by the treatment where butanil 1.68 kg ai/ha was applied at 10 DAS