For the prevention of the invasion of other insects twice a season (in spring and autumn), the plant is sprayed with protective preparations.
A na-egbochi ọgwụ mgbochi ọ bụla nke ụmụ anụmanụ vaccinated ugboro abụọ (na mmalite oge opupu ihe ubi na mbubreyo mgbụsị akwụkwọ).