All posts tagged disease

  • Increased Risk for Powdery Mildew in San Joaquin Valley Vineyards

    Because of severe powdery mildew pressure last year and heavy winter rains, Western Farm Press suggests growers in the San Joaquin Valley prepare for increased disease risk in grapes this year. University of California Extension reports powdery mildew is best managed through early reduction of inoculum and maintaining a suitable treatment regimen. Chlorotic spots on the upper leaf surface are the first signs of powdery mildew, followed by white mycelium on the lower leaf surface….

An agronomic image showing cercospora leafspot.
Agronomic image of rust on wheat