Nematode Composition and Soil Conditions in Plots under a Wheat Crop in Colfax, Washington State

摘要: Plant parasitic nematodes have been identified as a major problem to wheat (Triticum aestivum L.) production in the Pacific Northwest (PNW) states of USA. Nematicide control these parasites has successful. We were, however, interested understanding how soil nematode-nematode interactions and nematode-host plant affect nematode populations different feeding groups composition could be used elucidate conditions winter crop. Our results revealed that ratio plant-parasite index (PPI) maturity (MI = free-living nematodes) was high, meaning we had higher herbivorous than all other combined. The low meant little or no nitrogen mineralization by bacterivorous fungivorous nematodes, also lack meaningful predation plant-parasitic pest suppressive species i.e omnivores carnivores. high may interfered with nutrient uptake plants resulted stressed soils plots studied. Based on our results, farming methods will reverse PPI/MI natural ecologically friendly way reducing e.g. rotations amendments. During sampling periods, changed from basal, enriched, then maturing, based composition. Thus can for biomonitoring plots.