There are a large number of mango orchards in the Valsad district of Gujarat. These are host to a variety of mangoes. Many a times, because of the fruit fly menace, rotting sets in the mango (Mangifera indica) fruits just as they near ripening. To prevent such damage to the crop, the farmers plant shrubs of jungali tulsi (Ocimum basilicum) and krishna tulsi (Ocimum sanctum) in the mango orchards. They believe that the medicinal properties of the tulsi plant prevent the fruit flies from affecting the mangoes."
Formulation: To prevent such damage to the crop, the farmers plant shrubs of jungali tulsi (Ocimum basilicum) and krishna tulsi (Ocimum sanctum) in the mango orchards.
Ingredients: Jungali tulsi (Ocimum canum), krishna tulsi (Ocimum sanctum)
The extract of black ocimum and green ocimum with methonine work for fruit fly. Parab, A.C., Desai, S.D., Desai, V.S., Mehendale, S.K. and Golvankar, G.M., 2018. Efficacy of different attractants for management of fruit flies infesting mango in Konkan region. Journal of Entomology and Zoology Studies, 6(5), pp.1909-1912.PAS 2:
"A fruit fly trap is prepared as follows. “20 g of Ocimum sanctum (holy basil) leaves are crushed and the extract together with the crushed leaves are placed inside a coconut shell, which is then filled with 100 ml water."
"The intense scent and oil in basil and many other herbs are often used to deter common household pests. The pungent herb seems to repel flies and basil pest control has been used since ancient times. Basil is intolerant of cold temperatures and needs a full day of sunlight. The plants are useful as potted herbs in a sunny, bright kitchen or outside in the warm summer months around the vegetable or herb garden."