500 gm leaves of arani (Clerodendrum phlomidis) is collected and pounded to take out the extract. The seeds of pearl millet (Pennisetum typhoides) are soaked into the extract and dried in shaded area. The same seeds are then sown to ensure that the crop is protected from grasshoppers.
Crop: Pearl millet
Crop Family: Poaceae
Crop Scientific Name: (Pennisetum typhoides)
Crop Vernacular Name: Bajra, Bajri, Bajro
Formulation: 500 gm leaves of arani (Clerodendrum phlomidis)
Ingredients: Leaf extract of wind killer (arani, Clerodendrum phlomidis)
In both economic and ecological terms, a classical biological control agent that becomes established and exerts a controlling influence on a pest over an indefinite time period is the ideal control agent."
https://www.annualreviews.org/doi/full/10.1146/annurev.ento.46.1.667
"Farmer participatory development of a control strategy for the Variegated grasshopper with a biopesticide in the northern Mono, Benin."
https://www.researchgate.net/profile/Hugo_De_Groote/publication/267770159_Farmer_participatory_development_of_a_control_strategy_for_the_Variegated_grasshopper_with_a_biopesticide_in_the_northern_Mono_Benin/links/551b9f740cf2bb754078d66b.pdf
"Pest management practices used by the farmers are cultural and chemical control methods."
http://agro.icm.edu.pl/agro/element/bwmeta1.element.agro-34fc1775-6448-4711-a60f-9c42ddd1d760