| Soybean mosaic causes stunting of plants
and crinkled and mottling of leaves. |
| Infected plants range from no symptoms
to severely mottled and deformed. |
| The leaf blades are puckered along the
veins and curled downward. |
| The mottling appears as light and dark
green patches on individual leaves. |
| Symptoms can be difficult to see when
temperatures are above 90°F. |
| Do not confuse with growth regulator herbicide damage where the
leaves will be elongated and which usually occurs in a pattern such
as along a field edge. |
| Soybean mosaic can also reduce seed size and pod number per plant,
and soybean mosaic is one of several factors associated with discoloration
of seeds, causing a dark discolored tear stain origination at the
hilum. |
| The virus can interact with bean
pod mottle virus (BPMV)
to create severe symptoms in plants infected with both viruses. |
