Traditional Oil Seeds Varieties grown in Tamil nadu 
GROUNDNUT
- Cowpea grown as an intercrop in groundnut fields acts as a trap crop to control red hairy cater pillar.
- Groundnut pods are threshed by spreading on a threshing floor and beating with wooden sticks (for oil extraction)
- Kitchen ash is spread around the groundnut storage bags to prevent insect attack.
- Sandy soil is highly suitable for groundnut crop since it gives less number of ill-filled pods.
- Grow cowpea as border crop to attract Red Hairy Caterpillar
- During nights, burning heaps of straw in several places near the fields along with a bucket full of water or castor cake dissolved water near the fire to attract and kill the insects.
- Spray lime solution to control leaf roller.
- Spray water to control leaf roller attack.
- Grow castor as a border crop (trap crop) to reduce the attack of tobacco cut worms.
- Summer Ploughing is practiced to expose and destroy the pupae of red hairy caterpillar pest.
- Grinding well and dissolving 10kg of the leaves of Aloe vera in water and spaying for an acre to control RHC in ground nut.
- To control groundnut ring mosaic, dried sorghum or coconut leaves are powdered and boiled in water to 60o C for one hour, filtered, diluted and sprayed for two times at 10 and 20 days after sowing.
- Mix neem oil with irrigation water during second or third irrigations to prevent root rot in groundnut.
- Spray neem oil @ 6 lit / ac to control root rot.
- Neem oil solution 4% or neem kernel extract 6% is sprayed to control rust disease in groundnut.
GINGELY
- Gingelly seeds are mixed with dry sand and then sown to have uniform plant population. Gingelly needs more manures than other crops.
- Spray diluted cow urine to control leaf roller
- Storing gingelly seeds after mixing them with ash.
- .Mix gingelly seeds with activated clay for storage.
- Addition of palm sugar to gingelly during oil extraction gives higher oil recovery.
- Storing gingelly oil in mud pots increases its keeping quality for more than a year.
- Putting a small piece of palm sugar in to gingelly oil increases its keeping quality.
SUNFLOWER
- Rubbing the nearby two flower heads for better seed set.
- Application of cowdung before planting ensures bigger size sunflower head.
|
