Root-Knot Nematode Damage

scouted Aug. 19, 2024

Background
Soybeans were scouted at the R5 growth stage and non-uniform stunted growth and dieback, root galling, and yellow leaf discoloration was observed in patches across the field.
Conclusion
This issue was confirmed by the NCDA to be injury from root-knot nematodes. Symptomology associated with root-knot nematodes in soybeans include non-uniform stunting, wilting, chlorotic patches, and galling found on the roots. In this environment damaging numbers of root-knot nematodes were recovered from the sample submitted. Selecting a resistant variety is the most cost effective preventative measure.

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