Weed Management
| Major Weeds | ||
| Amaranthus sp | Brachiaria reptans | Cleome gynanadra |
| Dactyloctenium aegyptium | Panicum sp | Parthenium hysterophorus |
| Rotofolio sp Image Source:www.agritech.tnau.ac.in | Trianthema portulacastrum |
- Apply PE Oxyfluorfen @ 0.05 kg a.i/ha on 3 DAS using Backpack Knapsack/Rocker sprayer fitted with flat fan type of nozzle with 500 litre of water/ha followed by one hand weeding on 20 DAS.
- Apply the herbicides when there is sufficient moisture in the soil or irrigate immediately after application of herbicide.
- If pre-emergence herbicide is not applied, hand weed twice on 10th and 20th day after transplanting.
- For rainfed direct seeded crop, apply post emergence herbicide; 2,4-DEE or 2,4-D Na salt at 0.5 kg/ha on 10th day after sowing depending on the moisture availability.
Hoeing and Hand Weeding
i. Hoe and hand weed on the 15th day of planting in light soils and 17th day of planting in heavy soils and subsequently on 30th and 32nd days, respectively. ii. Allow the weeds to dry for 2 or 3 days after hand weeding before giving irrigation.
NOTE: Do not adopt hoeing and hand weeding if herbicide is applied.
| Pre emergence herbicide application | |
| Weed free ragi field | Weedy ragi field |