Shoestring symptom on papaya (Carica papaya) leaves, a symptom of papaya ringspot disease, caused by the plant-pathogenic virus, papaya ringspot virus (PRV). |
 Shoestring symptom on papaya (Carica papaya) leaves, a symptom of papaya ringspot disease, caused by the plant-pathogenic virus, papaya ringspot virus (PRV). |
 Shoestring symptom on banana leaves caused by phytotoxic response to herbicide spray (glyphosate). |
 Shoestring syptoms on a diseased papaya (Carica papaya) leaf. |
Shoestring is a plant disease symptom in which leaf lamina or other leaf tissues become narrow, constricted and undersized, imparting a long, stringy appearance to the organ.
Shoestring symptoms are usually associated with plant-pathogenic viruses, or phytotoxicity.