Estimating Population Densities of Root Lesion Nematodes, <i>Pratylenchus</i> spp., from Soil Samples Using Dual Active and Passive Assays

Fig. 1. Root fragments and other residue caught on the 250-mm sieve from a typical soil sample (Plainfield loamy sand soil) assayed in May before a new crop was planted.



Image from Plant Health Progress article:
Estimating Population Densities of Root Lesion Nematodes, Pratylenchus spp., from Soil Samples Using Dual Active and Passive Assays