Tuesday, 29 March 2016

Pesticides - Dasagavya (தசகாவ்யா)

As part of our Agriculture for Everybody blog series,  we are going to see Dasagavya (தசகாவ்யா).

Required Ingredients

S.No.Ingredient NameQty in Litres/Kgs/Nos
1Neem (Azadirachta indica)1 Kgs
2Erukam (Calotrophis)1 Kgs
3Kolingi (Tephrosia purpurea)1 Kgs
4Notchi (Vitex negundo)1 Kgs
5Umathai (Datura metel)1 Kgs
6Katamanaku (Jatropha curcas)1 Kgs
7Adathoda (Adathoda vasica)1 Kgs
8Pungam (Pongamia pinnata)1 Kgs
9Cow Urine8 Litres

Method of Preparation
  1. Chop the leaves mentioned (S.No. 1-8) into small piece and soak them in the Cow Urine.  The ratio of Leaves to Cow Urine is 1:1.
  2. Allow it to ferment for 10 days.
  3. Filter the Leaves extract and add it to the Panchagavya in the ratio 1:5.
  4. Stir the contents well so that both the Panchagavya and the Leaves extract are mixed well.
  5. Stir the contents once or twice a day for the next 25 days.
  6. After filtering, the Dasagavya is ready for use.

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. N/A

How to use the Pesticide?
  1. Spray System - The pesticide can be applied as a foliar spray.
  • Dilute 3% Dasagavya with 97% water before applying.
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, thrips, mites and other sucking pests as well as control diseases like leaf spot, leaf blight, powdery mildew etc.

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