You may also try this homemade media formula. I tried and it worked. Not as good as commercial media; however, you may got protocorms.

Sugar: 20g/Lit
Fertilizer: 3gram 20-10-20 soluble, no urea (urea is not good for seed germination). According to some sources, this is almost the same MS formula.
Bannana: 100g/Lit
Coconut water: 100ml/Lit fresh from grocery store.
Vitamin: 1 tablet of centrum /Lit
Distillated water: add to make 1 Lit
Agar: 8-10g/Lit
PH: 5.2

You work with the lab you may try Vacin & Went media, it's easy to make. If you need the formula I will write it for you. Remember to take pictures. Good luck!!!!!! Have FUNNNNNNNNN.