Strain improvement of a hypolipidemic yellow oyster mushroom, pleurotus citrinopileatus by mating technique
2014
Oyster mushrooms (Pleurotus species) are cultivated widely and at present
ranked second to the button mushroom in production. Pleurotus
citrinopileatus (Yellow oyster mushroom) possessed antioxidants,
antidiabetic and hypolipidemic properties' that can be a good source of
therapeutics for the prevention and treatment of cardiovascular disease. The
sporophores has an attractive shape and bright yellow colour, however, the
texture is very fragile and has a strong aroma, which is not preferred by
consumers, Hence, the present study was conducted with the objective of
improving the texture, aroma and yield of P. citrinopileatus by interspecies
mating using uninucleate monokaryotic cell of P. citrinopileattis and P.
pulrnonarius. Ten uninucleate monokaryotic cultures of parental were
crossed in all combinations to obtain hybrids, Three compatible pairs of
isolates with good colony characters such as thick mycelial mat and fast
growth were selected for evaluation of morphological characteristics and
yield performance by growing on sawdust fruiting substrates in polyethylene
bags. Morphological characters of three new hybrids selected exhibited high
yielding sporophore characteristics i.e. improved colour, aroma, texture and
yield. Hence, interspecies hybrids obtained by mating technique can lead to
better strains of mushrooms for genetic improvement in the family ~Ieurotus.
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