Sericultural means related to the raising of silkworms for the production of silk.
Sericultural is a very specific word that is used in the context of farming and making silk.
Examples:
She studied sericultural techniques in school.
The sericultural industry is important in some countries.
Sericultural workers take care of silkworms.
I'm learning about sericultural stuff in my book.
In the land of silk, everyone knows about sericultural work.
Sericultural farmers are very skilled at raising silkworms.