Symptoms associated with the damage can vary depending on many factors. However necrotic spots through the leaves and in sections of the field where drift occurred are commonly seen in cucurbits.

The spots are in the location where droplets of paraquat drifted on to the leaves from adjacent application for weed management. The symptoms above shows a marginal affect on the most exposed leaves.

Pattern of symptoms on the weeds which were the target of application in comparison to the drifted section on watermelon in a commercial field in North Florida.

A large field section overview of the transiting phase of treated area compared to drifted area right next to each other. The damaged leaves may provide opportunistic pathogens to cause further issues.