Pesticides - Thanjavuran Poondu Karaisal (தஞ்சாவூரான் பூண்டு கரைசல்)

In our Agriculture for Everybody blog series, we are going to see Thanjavuran Poondu Karaisal (தஞ்சாவூரான் பூண்டு கரைசல்) which is an organic pest repellent.

Required Ingredients

S.No.	Ingredient Name	Qty in Litres/Kgs
1	Rail Poondu	250 Grams
2	Cow's Urine	2 Litres
3	Neem Oil	50 ML
4	Pungan Oil	25 ML
5	Fish Amino Acids	50 ML

Note:

• Rail Poondu botanical name is Croton bonplandianum Baill.

Method of Preparation

1. Mix all the Ingredients (No.2 to No.5) well.
2. Cut the Rail Poondu into small pieces and add it to the solution.
3. Stir the solution by using a stick.
4. Allow this solution to ferment for 12 hours.
5. Filter the solution using a cloth and use it.

Note:

• Please note that the stick (neem stick is better or any pole) used for mixing the ingredients should be cleaned before & after the usage so as to avoid maggots formations in the pesticide.
• The pesticide should be kept in the shade and covered with a wire mesh or plastic mosquito net to prevent houseflies from laying eggs and the formation of maggots (worms) in the solution.

Method of Storage

1. The pesticide should be kept in the shade and covered with a wire mesh or plastic mosquito net to prevent houseflies from laying eggs and the formation of maggots (worms) in the solution.  This is applicable during the preparation as well as during the shelf life of the pesticide as well.

How long can we store the Pesticide?

1. Not Applicable

How to use the Pesticide?

1. Spray System - The pesticide can be applied as a foliar spray.

Note:

• Dilute 300 ML of the above extract with 10 Litres of Water before applying.
• 100 Litres of spray is required for an acre.

When to use the Pesticide?

1. Generally, the ideal time for spraying is during 6 am to 8.30 am and between 4 pm and 6.30 pm.

Which pests are controlled by the Pesticide?

1. The pesticide is effective in controlling aphids.