|Table of Contents|

Analysis of the Correlation Between Mycelial Characteristics and Extracellular Enzyme Activity in Subsequent Cultivation of Agrocybe aegerita

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2025年2
Page:
50-58
Research Field:
Publishing date:

Info

Title:
Analysis of the Correlation Between Mycelial Characteristics and Extracellular Enzyme Activity in Subsequent Cultivation of Agrocybe aegerita
Author(s):
HUANG Jing1; HE Yaowei1; LI Peng1; WANG Wankun1; HU Yongqiang2; XIANG Zhun1
(1.Guizhou Institute of Biology，Guizhou Academy of Sciences，Guiyang,Guizhou 550009；2.College of Horticulture，Guizhou Normal University，Guiyang,Guizhou 550018)
Keywords:
A.aegerita; subculture; mycelial characteristics; extracellular enzyme system; correlation
PACS:
S 646
DOI:
10.11937/bfyy.20242054
Abstract:
Taking Agrocybe aegerita CS8，CS15 and CS16 as the experimental materials，the effects of different subculture times on mycelia morphology，growth rate，extracellular enzyme activity and mycelia feeding speed of Agrocybe aegerita were studied，in order to provide reference for the subsequent production of Agrocybe aegerita.The results showed that with the increase of subgenerations，the growth rate of mycelia gradually decreased，the density of mycelia gradually became sparse，and the activity of mycelia gradually decreased in F5.Amylase activity had no significant correlation with the increase of subgenerations.Cellulase and protease began to decline in the F1，xylanase began to decline in F3 or F5，laccase began to decline in F5 or F7.Correlation analysis of each index showed that mycelia feeding speed was affected by parent mycelia growth rate，laccase and cellulase activities，xylanase was negatively correlated with mycelia feeding speed，protease and amylase were not significantly correlated with mycelia feeding.Therefore，in order to ensure the good properties and activities of the strains，the number of subgenerations should be strictly controlled within F5，and strains with high laccase and cellulase activities should be selected.

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Last Update: 2025-02-08