Exploring the Influence of Culture Environment on the Yield of Volvariella volvacea Based on Microbiomics

Author:

Liu Zhu123,Wang Jianhao2,Kang Linzhi4,Peng Yangyang2,Ye Luyao3,Zhou Hui2,Liu Ming12

Affiliation:

1. Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, Shaoguan 512005, China

2. Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China

3. School of Biology and Agriculture, Shaoguan University, Shaoguan 512005, China

4. School of Food, Shaoguan University, Shaoguan 512005, China

Abstract

As one of the most nutritious and delicious mushroom varieties, Volvariella volvacea has always been popular among people around the world. Different from other artificially cultivated mushrooms, Volvariella volvacea is mostly planted on non-sterile substrates. As the cultivation time increases, the yield of mushroom houses continues to decrease. In our experiment, we selected two groups of samples from the old and new mushroom houses, environmental samples and substrate samples. The results showed that the diversity and abundance of microorganisms in the culture environment of the old mushroom room were consistent with that of the new mushroom room, but the proportion of actinomycetes in the former was significantly higher than that of the new mushroom room. The metabolic activity of microorganisms in the old mushroom room was enhanced compared with the new mushroom room. The microbial diversity in the growth substrate was investigated, and it was found that the structure and diversity of the microbial community in the substrate had changed. In conclusion, the interplay between mushrooms, the culture environment, and the host bacterial community may be the cause of the changes in the yield of Volvariella volvacea.

Funder

Open Fund of the Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northem Region

the Project of Collaborative Innovation Center of GDAAS

Guangdong Key Laboratory for New Technology Research on Vegetables

Publisher

MDPI AG

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