Major Weeds |
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Amaranthus viridis |
Boerhaavia diffusa |
Celosia argentena |
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Chloris barbata |
Cynodon dactylon |
Cyperus rotundus |
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Portulaca oleracea |
Trichodesma indicum |
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Groundnut (Irrigated) - Weed management:
- Pre-sowing: Fluchloralin at 2.0 l/ha soil applied and incorporatede followed by light irrigation.
- Pre-emergence: Fluchloralin 2.0 l/ha or Pendimethalin @ 3.3l/ha applied on third day after sowing through flat fan nozzle with 500 l of water/ha followed by irrigation. After 35 - 40 days one hand weeding may be given.
- Spray Imazethapyr @ 750 ml/ha at 20-30 days after sowing based on weed density as post emergence spray
- If no herbicide is applied two hand hoeing and weeding are given on 20th and 40th day after sowing.
- Apply, PE Oxyfluorfen @ 200 g/ha on 3rd DAS and followed by one hand weeding on 40-45 DAS
- Apply, PE Oxadiazon @ 0.8 kg ha-1 followed by one earthing up using hoes (or) working star type weeder
- Apply, PE Metalachlor @ 1.0 kg ha-1 followed by one hand weeding on 40 DAS.
Unweeded groundnut field
Groundnut (Rainfed)
- Pre-sowing: Fluchloralin at 2.0 l/ha soil applied and incorporated.
- Pre-emergence: Fluchloralin 2.0 l/ha applied through flat fan nozzle with 900 l of water/ha followed by irrigation. After 35 - 40 days one hand weeding may be given.
- If no herbicide is applied two hand weeding and hoeing are given on 20th and 40th day after sowing.
Image Source:
-- www.agritech.tnau.ac.in
-- Dr.R.Jagannathan, Professor of Agronomy,
TNAU, Coimbatore-3. |