Use of lemon juice (Citrus limon) and tamarind juice (Tamarindus indica) for capsule borer in castor (Ricinus communis) crop. The capsule borer is one inch long and has fine thin hairs all around the body. The larva is found on the tree. To save the castor crop, use 150 ml each of lemon juice (Citrus limon) and tamarind juice (Tamarindus indica), in which 15 L of water is added and sprayed on the 0.24 ha of castor (Ricinus communis) field to the control the infestation of capsule borer. If the infestation of capsule borer is more, than again after three days, this mixture is sprayed on the castor crop for the protection. The method has been in use from last seven days.
Crop Family: Euphorbiaceae
Crop Scientific Name: (Ricinus communis)
Formulation: Use 150 ml each of lemon juice (<I>Citrus limon</I>) and tamarind juice (<I>Tamarindus indica</I>), in which 15 L of water is added and sprayed on the 0.24 ha of castor (<I>Ricinus communis</I>) field
Ingredients: Juice of lemon (Citrus limon), juice of tamarind (Tamarindus indica), water
"Use of Tamarind and lemon for pest control"
http://nif.org.in/innovation/use_-of_-tamarind_-and_-lemon_-for_-pest_-control/207
"Insecticidal Actions of Citrus Aurantium"
https://orca.cf.ac.uk/55958/1/U584693.pdf