Herbicides & Doses for Field Crops

Promising herbicides for rice

1. Butachlor:

• Dose - 1.0-1.5 kg a.i./ha
• Time of application - 6-7 DAS/DAT
• Controls annual grasses & few broad leaf weed

2. Pendimethalin:

• Dose -  1.0 to 1.5 kg a.i/ha
• Time - 6 to 7 DAS/DAT
• Controls annual grasses & some broad leaf weeds

3. Pretilachlor + safener:

• Dose - 0.75 kg a.i./ha
• Time of application - 3-7 DAS/DAT
• Controls annual grasses and some broad leaf weeds

4. Pyrazosulfuron:

•  Dose - 0.15 kg a.i./ha
• Time of application - 20 to 25 DAS/DAT
• Controls annual grasses and some broad leaf weeds

5. Nominee Gold:

•  Dose - 0.025 to 0.030  kg a.i./ha
• Time of application - 20 to 25 DAS/DAT
• Controls annual grasses and broad leaf weeds

6. Anilophos:

• Dose - 0.40 to 0.60 kg a.i./ha
•  Time of application - 6 to 7 DAS
• Controls grasses 

Pre-emergence herbicides used in multi-crops

1. Alachlor

• Dose: 1.0 to 1.5 kg a.i./ha
• Time of application: 4-7 DAS 
• Controls grasses in soybean, groundnut, sesame, niger, sunflower, pigeonpea, greengram, blackgram, tomato, brinjal, cowpea

2. Butachlor

• Dose: 1.5 to 2.0 kg a.i./ha
• Time of application: 4-7 DAS 
• Controls grasses in rice, soybean, sesame, niger 

 3. Metolachlor

• Dose:  1.0 to 1.5 kg a.i./ha
• Time of application: 4-7 DAS 
• Controls grasses in soybean, pigeonpea, greengram, blackgram

4. Metribuzin

•  Dose:  0.5 to 0.75 kg a.i./ha
• Time of application: 4-7 DAS 
• Controls broad leaf, grasses & sedges in soybean, sugarcane, potato

5. Oxadiazon

•  Dose:  0.75 to 1.0 kg a.i./ha
• Time of application: 4-7 DAS 
• Controls broad leaf, grasses & sedges  in soybean, rapeseed & mustard

6. Oxyflurofen

•  Dose:  0.15 to 0.20 kg a.i./ha
• Time of application: 4-7 DAS 
• Controls broad leaf, grasses & sedges  in soybean, onion & garlic

 7. Pendimethalin

• Dose:   0.75 to 1.0 kg a.i/ha
• Time: 4 to 7 DAS
• Controls annual grasses & some broad leaf weeds in almost all the oilseeds & pulses,cotton, potato, tomato, brinjal, onion and garlic

8. Isoproturon

• Dose:   0.75 to 1.0 kg a.i/ha
• Time: 4 to 7 DAS
• Controls annual grasses & some broad leaf weeds in rapeseed & mustard

9. Atrazine

• Dose:   0.75 to 1.0 kg a.i/ha
• Time: 4 to 7 DAS
• Controls most of the annual weeds in maize, sorghum, pearlmillet and sugarcane

10. Diuron

• Dose:   0.5 to 0.75 kg a.i/ha
• Time: 4 to 7 DAS
• Controls most of the annual weeds in cotton and sugarcane