The Impact of Varied Light Intensity Treatments on the Growth, Yield, and Quality of Grey Oyster (Pleurotus pulmonarius) and Black Jelly (Auricularia auricula-judae) Mushrooms
DOI:
https://doi.org/10.36877/aafrj.a0000548Abstract
Research efforts have been directed towards mitigating various mushroom varieties' inadequate and inconsistent supply. Light is a pivotal factor in mushroom cultivation, influencing both the quantity and quality of grey oyster (Pleurotus pulmonarius) (GOM) and black jelly (Auricularia auricula-judae) (BJM) mushrooms. This study delves into the effects of different light intensities on these mushrooms' growth, yield, and quality. During the spawning period, various light intensities (1500 lux, 2000 lux, and a control group with no treatment) were administered to both mushroom species. Parameters analysed included growth performance (mycelium growth rate, morphology), yield (total weight of fruiting bodies), and quality (pileus size, colour, texture). Findings indicate that light-treated bags exhibited accelerated mycelium colonisation compared to the control, with light-treated GOM and BJM taking only 29 days and 50 days, respectively, compared to their control counterparts at 33 days and 66 days. Furthermore, high-light-intensity treatment positively influenced both species' pinhead emergence and fruiting body formation. Treated mushrooms also displayed increased yields and improved quality attributes. Grey oyster and black jelly mushrooms subjected to different light intensities yielded significantly more (with increases of 71.8% and 33.7%, respectively), with the 2000 lux treatment yielding the most promising results. Physicochemical distinctions were observed, with light-treated mushrooms exhibiting larger pileus sizes, slightly darker colour, and firmer texture than their controls. In conclusion, the 2000 lux light intensity emerged as the most effective treatment in enhancing production efficiency for both mushroom species.
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