The results showed that the variation of the color display were not significantly corelated with the composition of the photopigments of their zooxanthella.
The antibacterial action of the rhizomorph from the Armillaria mella was studied by the methods of agar diffusion, liquid cultivation and surviving bacteria count.
Lauricidin and its preparation with sorbic acid (Lauribic) for preservation of fruits are tested and their antibiotic activity on oranges, pears and apples is determined by round filter paper method.