Extracts from a fruit tree found in many parts of the world has been identified a non chemical pest control. It’s commonly known as Atis, Cherimoya, Soursop, Sweetsop and Matomoko in Lower eastern of Kenya. The custard apple tree is not especially attractive. It is erect, with a rounded or spreading crown and trunk 10 to 14 in (25-35 cm) thick.
Due to climate change effects most farmers from lower eastern
of Kenya validated the use of this tree species for non chemical pest control.
The plant part used are: Root, leaf, fruit, seeds. Most of the farmers use the
leaves extract because the tree species population is minimal in some areas.
Formulation of Custard apple leaf extract
Materials
-500 grams of fresh Custard apple leaves
-12-17 liters of water
-Pail
-Bolo/knife
-Cooking pot
-Strainer
-12-17 liters of water
-Pail
-Bolo/knife
-Cooking pot
-Strainer
Method of preparation
-Boil leaves in 2 liters of water until the remaining liquid
is about ½ liter.
-Strain.
-Strain.
How to use
-Dilute filtrate with 10-15 liters of water.
-Fill the sprayer.
-Spray on infested plants thoroughly.
-Fill the sprayer.
-Spray on infested plants thoroughly.
Target pests
-Aphids
-Brown plant hopper
-Caterpillars
-Coffee green scale
-Cotton stainer
-Diamondback moth
-Grasshopper
-Green bugs
-Green leaf hopper
-House fly
-Brown plant hopper
-Caterpillars
-Coffee green scale
-Cotton stainer
-Diamondback moth
-Grasshopper
-Green bugs
-Green leaf hopper
-House fly
For more information: www.oisat.org