Fusarium

scouted June 15, 2026

Scientific Name
Fusarium sp.
Background
A soybean field, variety AG55XF5, planted on 5/1/2026 with Victrato + Vibrance Trio, was being scouted, and it was observed that 10% of the field was affected by damping off, blackening, and root rot in patches in random areas of the field. Heavy soybean cyst pressure along with drought stress. There's a suspicion of secondary infection from Rhizoctonia and/or Fusarium. A sample was submitted to the PDIC for diagnosis.
Conclusion
This issue was caused by Fusarium. It often occurs in irregular patches in the field. Symptoms are first observed in hot and dry conditions, and they include interveinal chlorosis in the leaves, premature defoliation,and wilting and reddish/brown vascular discoloration in the stem. This disease is usually a major limiting factor in soybean production, but it's more severe in northern states. It usually doesn't represent a major threat to soybeans in North Carolina.
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