What is one of the primary symptoms of white mold in soybeans?

The primary symptom of white mold in soybeans is the presence of white fungal growth. This characteristic mold is caused by the fungus Sclerotinia sclerotiorum, which is known for forming white, fluffy mycelial growth on infected plant tissues, particularly in humid conditions. This mold typically appears on stems, leaves, and pods, making it a distinctive indicator of white mold disease.

Recognizing this symptom is crucial for effective management because it indicates that the crop is affected by this specific fungal pathogen, prompting timely intervention strategies to mitigate further spread and damage. The other symptoms, such as yellowing leaves, wilting, and fruit rot, can be associated with various other diseases or conditions in plants but do not specifically indicate white mold infection. Identifying the white fungal growth is essential for diagnosing the issue accurately and implementing appropriate pest management practices.