期刊
3 BIOTECH
卷 9, 期 11, 页码 -出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13205-019-1951-x
关键词
Flammulina velutipes; Spent mushroom compost; Biological control; Nematicidal; Nematophagous fungus
资金
- National Council for Scientific and Technological Development (CNPq)
- Coordination for the Improvement of Higher Education (CAPES)
- Foundation for Supporting Research and Innovation in Espirito Santo (FAPES)
The aim of the present work was to evaluate the nematicidal potential of Flammulina velutipes and its spent mushroom compost. Additionally, the nematicidal activity of enzymes and metabolites was analyzed. Isolated F. velutipes and its SMC had significant nematicidal effect on Panagrellus sp. larvae. The percentages of reduction in relation to the control group were: 69, 57.5 and 70% for SMC and 56, 24.5 and 26.6% for the isolated fungus, for 24, 48 and 72 h, respectively. The active SMC crude extract showed nematicidal action with reduction percentages of 43 and 57% for 24 and 48 h of incubation, respectively. The boiled crude extract also showed nematicidal action, however, the reduction percentages were lower than those of the active extract. This demonstrated that the nematicidal action was due to enzyme activities and other metabolites. The results demonstrated that SMC, the isolated fungus, the crude extract and the boiled crude extract showed a significant percentage of reduction on Panagrellus sp. larvae. SMC evidenced a higher nematicidal activity than the isolated fungus. In addition, nematophagous activity of F. velutipes was observed for the first time.
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