Detail:

When the maize crop is affected with hairy caterpillar, then branches of crown flower are collected from a farm or pasture. The leaves of crown flower are then plucked and placed around the field and three feet inside the field and in rows every two feet. This prevents hairy caterpillar from devouring maize. Instead the worm attacks crown flower leaves. Corn and crop are thus saved for the farmer. Fresh leaves are placed when crown flower leaves are eaten away by caterpillar.

Knowledge Provider / Innovator: Devjibhai Burabhai Rajput
Address: Sansorara, Sihor
District: Bhavnagar
State: Gujarat
PIN Code 364240

Crop: Maize
Crop Family: Apocynaceae- Oleander family
Crop Scientific Name: (Zea mays Linn.)
Crop Vernacular Name: Corn
Formulation: Leaves of crown flower plucked and placed around the field and three feet inside the field and in rows every two feet
Ingredients: Crown flower

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PAS 1:

https://zhonghuapri.moe.edu.sg/departments/science/ethnic-plants-in-zhonghua-primary-school/crown-flower

PAS 2:

Jawale, Chetan & chaitanya, Joshi. (2010). Giant weed (Calotropis sps,) an economical and eco-friendly method of pest management in organic farms.