All posts in Disease management

  • Keep Phytophthora out of Citrus Groves

    Phytophthora is a particularly damaging pathogen in citrus groves. It attacks root systems, trunks and fruit, causing foliage to yellow, leaves to fall, twigs to die, and fruit size and yield to decrease. Just like many other disease pathogens, early detection can help protect citrus trees.  Dig up roots to test the tissue for the presence of a specific Phytopthora protein. If it is present, there are several cultural methods to help manage the pathogen:…

This agronomic photo shows corn infected by gray leaf spot.
This agronomic image shoes phytophthora root rot.