Ladies finger or (Abelmoscus herbaceum) plants are planted around cotton plants. Most of the green worm gets occupied by the ladies finger and 50% of the main crop is saved.
Crop: Cotton
Crop Family: Malvaceae
Crop Scientific Name: (Gossypium herbaceum)
Crop Vernacular Name: Kapaas, rui
Formulation: Ladies finger or (Abelmoscus herbaceum)
Ingredients: Ladies finger (Abelmoscus herbaceum)
"Major pests of cotton"
http://agritech.tnau.ac.in/crop_protection/crop_prot_crop_insectpest%20_cotton.html
"The concept of integrated pest management (IPM) is discussed in this paper and its large scale application throughout the country has been recommended. The benefits derived from IPM, directly or indirectly, are long-lasting, economical and ecofriendly." "Sundaramurthy, V. T., & Gahukar, R. T. (1998). Integrated Management of Cotton Insect Pests in India. Outlook on Agriculture, 27(4), 261–269."
https://doi.org/10.1177/003072709802700409
"Insects and pest management for cotton crop"
https://www.krishisewa.com/articles/disease-management/323-cotton-ipm.html
"Cotton Pest Management Guide 2019-20"
https://www.cottoninfo.com.au/sites/default/files/documents/CPMG%202019-20.pdf