Papaya

Scientific name: Carica papaya
Family: Caricaceae

picture discription

Photo by Jewel Bissdorf

Leaves, seeds, unripe fruit

Repellent, insecticidal, rodenticidal, fungicidal (Sridhar; et. al., 2002: p. 34)

Materials	Methods of preparation	How to use	Plant pests
Papaya leaf extract (Sridhar; et. al., 2002: p. 34) 50 grams of finely shredded papaya leaves 8-12 ml of soap Muslin cloth Pail Water	Soak shredded leaves in 100 ml of water. Stir vigorously. Let it stand overnight. Squeeze the extract using the muslin cloth.	Dilute the extract with 2-3 liters of water. Add soap. Stir well. Spray thoroughly on infested plant parts.	Leafy caterpillars Coffee rust Leaf rust Mosaic virus Powdery mildew
Papaya water extract (Stoll: p. 143) 1 kg of papaya leaves 10 liters of water Mortar and pestle Soap Strainer Pail	Pound the leaves. Add pounded leaves into the water. Leave to stand for 2 days. Strain.	Spray on the target pests.	Grass looper White grub
Papaya water extract (Stoll: p. 143) 1 kg of papaya leaves Water Knife Soap Cotton sack Pail	Finely shred the leaves. Shake vigorously in a liter of water. Squeeze through a cloth sack.	Dilute the filtrate with 4 liters of water. Spray on the target pests.	Flower thrips Fruit flies

Select plant parts that are free from diseases.
When storing the plant parts for future usage, make sure that they are properly dried and are stored in an airy container (never use plastic container), away from direct sunlight and moisture. Make sure that they are free from molds before using them.
Use utensils for the extract preparation that are not use for your food preparation and for drinking and cooking water containers. Clean properly all the utensils every time after using them.
Do not have a direct contact with the crude extract while in the process of the preparation and during the application.
Make sure that you place the plant extract out of reach of children and house pets while leaving it overnight.
Harvest all the mature and ripe fruits before plant extract application.
Always test the plant extract formulation on a few infested plants first before going into large scale spraying. When adding soap as an emulsifier, use a potash-based one.
Wear protective clothing while applying the extract.
Wash your hands after handling the plant extract.

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External links

CIKS. (1997): Plants in pest control: Tobacco, papaya, thumbai. Center for Indian Knowledge Systems.
Sridhar, S.; Arumugasamy, S.; Saraswathy, H.; Vijayalakshmi, K. (2002): Organic vegetable gardening. Center for Indian Knowledge Systems. Chennai.
Stoll, G. (2000): Natural protection in the tropics. Margraf Verlag. Weikersheim.

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