UW-Extension/Madison Plant Disease Diagnostic Clinic (PDDC) Update 11/16-11/22

Brian Hudelson, Ann Joy, Erin DeWinter and Joyce Wu, Plant Disease Diagnostics Clinic

The PDDC receives samples of many plant and soil samples from around the state.  The following diseases/disorders have been identified at the PDDC from November 16, 2013 through November 22, 2013.

Plant/Sample Type, Disease/Disorder, Pathogen, County

FORAGE CROPS,

Alfalfa, Aphanomyces Root Rot, Aphanomyces euteiches, Jefferson

Alfalfa, Crown Rot, Fusarium sp., Green Lake, Jefferson

Alfalfa, Phytophthora Root Rot, Phytophthora medicaginis, Jefferson

For additional information on plant diseases and their control, visit the PDDC website at pddc.wisc.edu.