Original Paper

Plant and Soil

, Volume 288, Issue 1, pp 31-45

First online:

Microbial control of plant-parasitic nematodes: a five-party interaction

  • L. Q. DongAffiliated withLaboratory for Conservation and Utilization of Bio-resources, Yunnan University
  • , K. Q. ZhangAffiliated withLaboratory for Conservation and Utilization of Bio-resources, Yunnan University Email author 

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Plant-parasitic nematodes cause significant economic losses to a wide variety of crops. Chemical control is a widely used option for plant-parasitic nematode management. However, chemical nematicides are now being reappraised in respect of environmental hazard, high costs, limited availability in many developing countries or their diminished effectiveness following repeated applications. This review presents progress made in the field of microbial antagonists of plant-parasitic nematodes, including nematophagous fungi, endophytic fungi, actinomycetes and bacteria. A wide variety of microorganisms are capable of repelling, inhibiting or killing plant-parasitic nematodes, but the commercialisation of these microorganisms lags far behind their resource investigation. One limiting factor is their inconsistent performance in the field. No matter how well suited a nematode antagonist is to a target nematode in a laboratory test, rational management decision can be made only by analysing the interactions naturally occurring among “host plant–nematode target–soil–microbial control agent (MCA)–environment”. As we begin to develop a better understanding of the complex interactions, microbial control of nematodes will be more fine-tuned. Multidisciplinary collaboration and integration of biological control with other control methods will␣also contribute to more successful control practices.


Biological control Microbial control Plant-parasitic nematode