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Weed control Project, Anand

Research Activities

Year

Crop / non- crop situations

 

Recommendations

1984

Isabgul

Isoproturon @ 0.50 kg/ha as pre-sowing at 5 days before sowing of the crop or as pre-emergence

1986

Maize

Atrazine @ 1.0 kg/ha as pre-emergence or two hand weeding at 15 and 30 days after sowing

1986

Potato

Fluchloralin 1.0 kg/ha as pre-emergence

1986

Rice

Benthiocarb @ 1.0 kg/ha or oxadiazon @ 0.75 kg/ha at 5 days after transplanting in 5 cm deep standing water to be maintained up to 3 days

1987

Groundnut

Two hand weeding at 30 and 45 days after sowing or pendimethalin @ 1.0 kg/ha or fluchloralin @ 1.50 kg/ha as pre-emergence

1987

Cumin

Two hand weeding at 15 and 30 days after sowing or fluchloralin @ 0.75 kg/ha or pendimethalin @1.0 kg/ha as pre-emergence

1988

Lucerne

Two hand weeding at 20 and 60 days after sowing or oxadiazon @ 0.50 kg/ha as pre-emergence

1988

Pearl millet

Atrazine @ 0.50- 1.0 kg/ha as per emergence or HW at 15 and 30 DAS

1989

Cotton

Four interculturing and hand weeding at 20, 40, 60 and 90 days after sowing or fluchloralin @ 1.0 - 1.125 kg/ha as either pre-emergence or pre-plant incorporation fb two inter-culturing operations

1990

Onion

Fluchloralin @ 1.0 kg/ha or pendimethalin @1.0 kg/ha as pre-transplant or post-transplant (3 days before or after) or two hand weeding at 30 and 60 days after transplant

1994

Wheat

Keep weed free crop up to 30 days after sowing for getting higher grain yield.

1994

Mustard

Keep mustard crop weed free up to 30 DAS

1994

Wheat

Keep wheat  crop weed free up to 30 DAS

1996

Groundnut

Two hand weeding and interculturing at 20 and 45 days after sowing or fluchloralin, pendimethalin, alachlor or metolachlor any one herbicide @ 1.0 kg/ha as pre-emergence fb interculturing at 45 days after sowing

1996

Wheat

2,4-D (Na-salt or ester form) @ 0.75 kg/ha as post-emergence at 30 days after sowing  or pendimethalin @ 0.5-1.0 kg/ha as pre-emergence

1997

Lucerne

Pendimethalin @ 0.5 kg/ha at 10 days after sowing for effective control of Cuscuta spp.

1997

Chicory

Fluchloralin or trifluralin @ 0.50 kg/ha as pre-plant incorporation integrated with one hand weeding at 45 days after sowing

1999

Green gram

Fluchloralin @ 0.50 kg/ha or pendimethalin @ 0.50 kg/ha or oxadiazon @ 0.25 kg/ha as pre-emergence or two hand weeding at 20 and 40 days after sowing

1999

Chillies

Pendimethalin @ 1.0 kg/ha or oxadiazon @ 0.5 kg/ha or fluchloralin @ 1.0 kg/ha as pre-transplant application (two days before transplant) in combination with one hand weeding at 45 days after transplant  or three hand weeding at 20, 45 and 75 days after transplant  fb three hoeing or three hand weeding only

2001

Tomato

 

Pendimethalin  or fluchloralin or butachlor @ 1.0 kg/ha or oxadiazon @ 0.50 kg/ha as post-transplant application (2-3 days after transplant) supplemented with one hand weeding and earthing-up at 45 days after transplant or five hand weeding at 20, 45, 60, 90 and 120 days after transplant

2002

Onion

Pendimethalin @ 1.0 kg/ha or oxadiazon @ 0.50 kg/ha or trifluralin @ 1.0 kg/ha as a pre-transplant or post-transplant (one or two days before or after transplant) or two hand weeding at 30 and 60 days after transplanting. Herbigation though effective and economical could not be recommended to the farmers as herbicides applied through this method have toxic effect on succeeding Kharif pearlmillet crop

2002

Okra

Pendimethalin or fluchloralin @ 1.0 kg/ha as pre-emergence fb one hand weeding at 45 days after sowing or two hand weeding at 3 and 6 weeks after sowing

2004

Cluster bean

Pendimethalin, fluchloralin, trifluralin or butachlor @ 0.5 kg/ha as pre-emergence with interculturing at 30 days after sowing or two interculturing operations and two hand weeding at 30 and 45 days after sowing.

2004

Maize-pigeon pea intercropping

Alachlor @ 0.5-1.00 kg/ha or oxadiazon @ 0.25 kg/ha as pre-emergence or three hand weeding at 30, 45 and 60 days after sowing or inter-culturing and hand weeding at 30 and 60 days after sowing

2007

Maize

 

Mixture of pendimethalin @ 0.25 kg/ha + atrazine @ 0.50 kg/ha as pre-emergence or inter-culturing and hand weeding at 20 and 40 days after sowing

2009

Soybean

Pendimethalin @ 0.75 kg/ha  fb hand weeding at 30 days after sowing  or post emergence application of quizalofop @ 50  g/ha  fb hand weeding at 30 days after sowing  or  interculturing and hand weeding at 20 & 40 days after sowing

2010

Groundnut

Pendimethalin @ 0.75 kg/ha as pre-emergence  fb hand weeding at 40 days after sowing or post emergence application of quizalofop-ethyl or fenoxaprop-p-ethyl  @ 100 g/ha fb hand weeding at 40 days after sowing  or  interculturing and hand       weeding at 20 & 40 days after sowing

2013

Bt  Cotton

Inter culturing and hand weeding at 15, 30 and 45 days after sowing (DAS) in timely availability of laborer and in paucity of laborer per-emergence application of pendimethalin @ 900 g/ha fb IC+HW at 30 and 60 DAS or post emergence application (15-20 DAS) of fenoxaprop-p-ethyl or quizalofop-ethyl (any one) @ 50 g/ha fb IC+HW at 30 DAS for efficient weed management in Bt cotton.

2017 Wheat The farmers of middle Gujarat agro climatic zone growing wheat are recommended to apply premix broad spectrum herbicide clodinafop propargyl (15%) + metsulfuron methyl (1%) WP 64 g/ha or sulfosulfuron (75%) + metsulfuron methyl (5%) WG 32 g/ha (mix in 500 litres of water) as post emergence application (25-30 DAS) or carry out hand weeding at 20 and 40 days after sowing for effective management of complex weed flora and higher net return. No adverse effect of herbicides on succeeding crops was observed.
 
 
 
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