I have a friend who worked on black pepper extract, she has some issue with explaining her results. if there anyone can explain to her why worms got bulging after exposure to the black pepper oil, I will be grateful.
I attached some photos that she sent to me.
Thank you in advance
Qasim
Kindly elaborate the treatment ,procedure details. By pictures it appears the black pepper oil has some growth regulatory effect. It has induced deformity.
In a previous work on the effect of neem tree extract on Spodoptera , I had some photos similar to yours and alsosome aberrations in the pupal stage. Neem extract is a growth regulator and feeding deterrent. May black pepper oil has the same mode of action.
If you are interesting, investigate the fecundity and fertility of the insect after treatment and also the reproductive system of both males and females because they are affected by these types of growth regulators.
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