New Alert System Gives Heads Up on Citrus Postbloom Fruit Drop

Citrus growers won’t soon forget the plague that was postbloom fruit drop (PFD) in 2016. Luckily, it has not been as severe in Florida since then, but there have been pockets of the problem in groves.

When conditions are ripe for PFD, growers have a small window of time to take action to protect blooms and fruitlets. According to Megan Dewdney, Ph.D., an associate professor of plant pathology at the UF/IFAS Citrus Research and Education Center, growers need to be aware of the trifecta of conditions in groves needed for PFD — open flowers, warm, and wet conditions.

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