A technique to assess the efficacy of non‐volatile nematicides against the potato cyst nematode Globodera rostochiensis

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Abstract
SUMMARY: The assessment of larval emergence from cysts, second stage larval behaviour in soil, invasion of roots, development within roots and the final population provides a technique which can be used for evaluating the efficacy of any non‐volatile organophosphate or carbamate nematicide.Oxamyl delayed emergence from cysts, disorientated second stage larvae in soil, delayed and reduced invasion of roots, reduced the number of eggs in the final population and markedly reduced the final population of cysts.