- Address : Iranaimadu Junction, Kilinochchi
- E- Mail : rardcnr@yahoo.com
- Telephone : +94 212 285406
- Fax : +94 212 285406
REGIONAL AGRICULTURE RESEARCH AND DEVELOPMENT CENTRE – KILINOCHCHI
PLANT ENTOMOLOGY DIVISION
Achieve excellence in Plant Entomology Research and Development on other Field crops and Horticulture crops in Northern Region.
ENTOMOLOGY AND NEMATOLOGY
Pests
- Chilli thrips
- Fall army worm in Maize
- Onion caterpillar
Methodology
1 kg of Garlic soak into the 1 litre of kerosene for overnight then drain off the garlic globes and grind well and take 0.5 kg of green chilli and 0.5 kg of ginger grind into paste separately. Mix with each other and pour into 2 litre of water and filter the solution by using cloth. Then, 1 litre of 3 G solution dilute with 10 litre of water and small amount of surfactant. No 3G solution is ready for spray.
Rate of application
- Apply 10% (V/V) of 3 G solution to the chili plant in the early morning.
- Apply for two weeks interval.
Pest
- Chili thrips
Methodology
10 g appetite powder mixed with 1 litre of water and prepare the 10% (W/V) of solution.
Add small amount of surfactant before application
Rate of application
The initial application will be done at 2 weeks after planting. The solution will be sprayed immediately after preparation and early in the morning.
Pest
Amaranthus stem borer
Methodology
Take 200 g of fresh leaf and grind well
Then add 01 litre of water.
Filter the leaf extract by using cloth
Rate of application
20% W/V leaf extract solution apply directly for infected plant
Spray with weekly interval.
Pest
Amaranthus stem borer
Methodology
Take 500 g of neem seed will be taken and damage the seed coat
Then soak for 48 hours in 10 litre of water.
Filter the leaf extract by using cloth
Rate of application
5% W/V leaf extract solution apply directly for infected plant
Spray with weekly interval.
Pest
White grub in ground nut
Methodology
Collect 500 kg of green neem leaf and allow to dry in direct sunlight for 4-5 days.
Take 150 kg of dry neem leaves and 150 kg of neem seeds grind well separately.
Mix well with each other and prepare 300 kg of neem mixture
Rate of Application
Apply at the rate of 300 kg neem mixture per acre before planting and one month after planting and incorporate well with soil.
Pest
Fall army worm in Maize.
Methodology
Plant manioc one month before planting of maize.
Plant three rows of maize and one row of manioc and surrounding of the field fully covered by Napier grass.
Pest
Chilli Root Knot Nematode (CRKN)
Methodologies
- Conservation of soil biodiversity.
- Sanitations.
- Land preparation
- Removing alternative weed hosts.
- Solarization of nursery beds
- Hot water treatment of soil
- Streaming
- Burning Flooding
- Disinfection of planting materials
- Novel technique
- Drip irrigation
- Crop rotation
- Crop residues management
- Nutrients management
- Soil amendment
- Bio fumigants
- Biological control
- Biological control
RESEARCH OFFICER IN CHARGE OF SECTION
MR. S. RAJESHKANNA
Assistant Director of Agriculture (Research)
Regional Agriculture Research and Development Centre
Kilinochchi
- +94 212 285406
- +94 778 888194
- rrsmurunkan@gmail.com