volume 43 issue 1 (march 2009) : 57-60
EFFECT OF PLANT DENSITY AND WEED MANAGEMENT PRACTICES ON P
1Agronomic Training Centre, TANCOF,
Neyveli-607 801, India
ABSTRACT
Field experiments were conducted during kharif and summer seasons of 1998 and1999 to
study the effect of plant densities and weed management practices on yield maximisation in
groundnut. The results revealed that maintaining a plant density of 5.0 lakh plants ha-1 effectively
reduced the weed density, weed dry weight and thereby recording higher weed control efficiency.
The yield parameters of groundnut viz., number of pods plant –1, pod yield and kernel yield was
significantly higher under 3.3 lakh plants ha-1. Among the weed control treatments, pre-plant
incorporation of fluchloralin at 1.0 kg ha-1 followed by one hand weeding at 40 days after
sowing recorded lesser weed density and dry weight. For yield maximisation, plant density of
3.3 lakh plants ha-1 combined with fluchloralin at 1.0 kg ha-1 followed by one hand weeding at
40 days after sowing was found to be best combination
study the effect of plant densities and weed management practices on yield maximisation in
groundnut. The results revealed that maintaining a plant density of 5.0 lakh plants ha-1 effectively
reduced the weed density, weed dry weight and thereby recording higher weed control efficiency.
The yield parameters of groundnut viz., number of pods plant –1, pod yield and kernel yield was
significantly higher under 3.3 lakh plants ha-1. Among the weed control treatments, pre-plant
incorporation of fluchloralin at 1.0 kg ha-1 followed by one hand weeding at 40 days after
sowing recorded lesser weed density and dry weight. For yield maximisation, plant density of
3.3 lakh plants ha-1 combined with fluchloralin at 1.0 kg ha-1 followed by one hand weeding at
40 days after sowing was found to be best combination
REFERENCES
- Agaisamani, C.A. et al. (1984). Indian J. Agron, 29(2):209-212.
- Ethredge, W.J. et al. (1989). Agron. J., 81(1):947-951.
- Grafton, A.K. et al. (1988). Agron. J., 80(1):631-634.
- Patel, S.R. et al. (1997). J. Oilseeds Res., 14(1):55-58.
- Ramakrishna, A. and Ong, C.K. (1988). Intern Arachis Newsletter. 4(11):15-16.
- Singh, A. et al. (1985). Indian J. Weed Sci. 17(4):9-14.
- Singh, V.K. and Bajpai, R.P. (1994). Indian J. Agron. 39(4):671-673.
- Vairavan, K. and Sankaran, S. (1996). Indian J. Agron. 41(3):442-444.
- Vasudevan, E.K. (1990). The Hindu, Survey of Indian Agriculture. 61-65.
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Indian Journal of Agricultural Research
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