[Objective] This paper aimed at studying the effects of the metabolites of G.reessii on the growth of plant seedlings to ensure the effective application of this kind of biocontrol factor with potential.[Method] G.ree...[Objective] This paper aimed at studying the effects of the metabolites of G.reessii on the growth of plant seedlings to ensure the effective application of this kind of biocontrol factor with potential.[Method] G.reessii with strong nematicidal efficacies on root-knot nematode was used as test material to determine the effects of metabolites of G.reessii on plant activity,the effects of metabolites of G.reessii with different treatments on the growth of plant seedlings and the effects of metabolites of G.reessii with different concentrations on the growth of plant seedlings.[Results] The effects of the metabolites of G.reessii varied on different plants,the influences of metabolites of G.reessii cultured in different media and extracted using different solvent were different on the growth of plant seedlings,and the effects of metabolites of G.reessii with different concentrations on the growth of various plant seedlings were different.[Conclusion] Further studies on the concentrations and application periods of metabolites of G.reessii used in biological prevention and control of root-knot nematode are required.展开更多
基金Supported by National Natural Science Foundation(30900940)Ministry of Agriculture's Fund for Public Welfare(201103018)Beijing Natural Science Foundation(6102008)~~
文摘[Objective] This paper aimed at studying the effects of the metabolites of G.reessii on the growth of plant seedlings to ensure the effective application of this kind of biocontrol factor with potential.[Method] G.reessii with strong nematicidal efficacies on root-knot nematode was used as test material to determine the effects of metabolites of G.reessii on plant activity,the effects of metabolites of G.reessii with different treatments on the growth of plant seedlings and the effects of metabolites of G.reessii with different concentrations on the growth of plant seedlings.[Results] The effects of the metabolites of G.reessii varied on different plants,the influences of metabolites of G.reessii cultured in different media and extracted using different solvent were different on the growth of plant seedlings,and the effects of metabolites of G.reessii with different concentrations on the growth of various plant seedlings were different.[Conclusion] Further studies on the concentrations and application periods of metabolites of G.reessii used in biological prevention and control of root-knot nematode are required.
