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Search for "GRYGANSKYI A.": 2 articles found.
PASAILIUK M.V., SUKHOMLYN M.M., GRYGANSKYI A.P. (2019): Patterns of Hericium coralloides growth with competitive fungi. [fungal interactions, direct confrontation, antagonism, xylotrophic fungi.] Czech Mycology 71(1): 49-63 (published: 22nd May, 2019)
abstract
Growth and morphological patterns of cultures were examined for two strains of Hericium coralloides during competitive colonisation of different nutrient media. The nutrient chemical composition of the medium was found to play an important role in the manifestation of antagonistic potencies of cultures. On the nutrient-poor Czapek medium with cellulose, radial growth of the monoculture was very slow. However, in triple confrontation cultures, the rate of substrate colonisation increased, and a positive effect on H. coralloides growth was observed. On all the examined media, Fomes fomentarius was consistently antagonistic to H. coralloides. The less suitable the medium for H. coralloides growth, the greater inhibitory effect was observed, but only in the combination of H. coralloides and F. fomentarius. This effect was observed for both strains of Hericium. Schizophyllum commune displayed both an antagonistic and a stimulating influence on H. coralloides, depending on the medium used and the strain of Hericium. The morphology of cultures H. coralloides 2332 and 2333 on media of different compositions in dual confrontation cultures was typical of the strains, but the colony growth was mostly uneven. The obtained results will be used to reintroduce native strains of Hericium coralloides into the ecosystem of Hutsulshchyna NNP. The interrelations between different fungi should be taken into account for successful colonisation of natural substrate.
GRYGANSKI A.P., KIRCHHOFF B., MOLITORIS H.P. (2000): Fruitbody quality and enzyme production of strains of Hericium erinaceus, an edible mushroom of medicinal relevance. [Fruitbody colour, fruit body quality, Hericium erinaceum, laccase, tyrosinase] Czech Mycology 52(3): 195-207 (published: 7th December, 2000)
abstract
Cultivation experiments of 14 heterokaryotic strains of the edible and medicinally relevant mushroom Hericium erinaceus have shown a large variation in yield, quality and colour of the fruitbodies (Kirchhoff 1996). To determine the reasons for different fruitbody colours, phenoloxydases in the vegetative mycelium on agar and liquid media were investigated. It was shown that the colour of the fruitbodies correlates with the presence and activity of the phenoloxidase laccase. There is no correlation between fruitbody colour and presence of the phenoloxidase tyrosinase, responsible for browning of white button mushroom fruitbodies, Agaricus bisporus. The data obtained are important for selection or breeding of new H. erinaceus strains with good fruitbody qualities.
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