Detail:

For controlling aphids in crops, the juice of leaves of sponge tree and betel-leaf are mixed and five litres of cow urine and five litres of water are added. The whole solution is boiled, cooled and filtered. It is then sprayed on the crops. After the spray, aphids will steer clear of the crops. The effect is seen in two to three days, and 70 to 80 % control on the crops is obtained. The spraying has no side-effects.

Knowledge Provider / Innovator: JaysikbhaiAoghadbhaiParmar
Agro-Ecological Zone: Arid western Plains
Address: Sodhanidhar, Kodinar, Junagadh, Gujarat
District: Junagadh
State: Gujarat
PIN Code 362720

Formulation: 5 litof cow urine with 5 lit of water
Ingredients: sponge tree leaf, betel leaves, cow urine, water

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PAS 1:

"The results showed that, the active ingredient showed a slight activity against Aphis craccivora after two hours from treatment and increased gradually to give the high effectiveness after 12 hours. "
see:
https://www.researchgate.net/publication/268801378_Insecticidal_activity_of_citric_acid_and_its_soluble_powder_formulations_against_Aphis_craccivora_under_laboratory_conditions

PAS 2:

"Lemon juice, for example, can sometimes help control small infestations of garden pests, such as ants, aphids and leaf beetles."
https://homeguides.sfgate.com/spray-bug-pests-lemon-juice-70338.html

PAS 3:

"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."
see: 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