Farmers form Karnataka use as an effective spray against the attack of pests in crops. They ground together 7 kg each of negundo chaste tree (Vitex negundo), shrubby morning glory (Ipomoea fistulosa) and pongam (Pongamia pinnata) and 4 kg of rooster tree (Calotropis procera). The powder is boiled in 20 L of water for half-an-hour and filtered the next day.The filtrate is then diluted with 100 L of water and used as a pesticide. Ground together 7 kg each of negundo chaste tree (Vitex negundo), shrubby morning glory (Ipomoea fistulosa) and pongam (Pongamia pinnata) and 4 kg of rooster tree (Calotropis procera). Boil the powder in 20 L of water for half-an-hour and filter the next day. Dilute the filtrate diluted with 100 L of water and spray on the crops.

Formulation: 7 kg each of negundo chaste tree (Vitex negundo), shrubby morning glory (Ipomoea fistulosa) and pongam (Pongamia pinnata) and 4 kg of rooster tree (Calotropis procera)
Ingredients: A mixture of Negundo chaste tree (Vitex negundo), Shrubby morning glory (Ipomoea fistulosa) Pongam (Pongami apinnata), Roostertree (Calotropis procera) and water