Damping-Off.
Apply the following preplant incorporated or as a soil-surface spray after planting.
Ridomil Gold-- 1-2 pt 4E/A
Leaf Spot, Canker, and Mildew.
Rotate to allow 2 years between parsnip plantings. Use well-drained soil with a pH of 7. Ridge soil over shoulders to prevent infection. Begin sprays at the first sign of disease. Repeat no more than three times at 10-day intervals.
Alternate:
chlorothalonil (Bravo,Echo, Equus)-- 1.5-2 pt 6F/A or OLF with:
azoxystrobin (Quadris--9.2 - 15.4 oz 2.08F/A or Amistar--3-5 oz 80WDG/A), or
Cabrio--8-12 oz 20EG/A
(do not make more than one consecutive applicationof Amistar, Quadris or Cabrio)
Information provided is intended for consideration by the user, but is not intended to be a recommendation. Production decisions should be based on consideration of many types of information (scientific, experiential, economic, legal, etc.) available to the user.
Where trade names are used no discrimination is intended, and no endorsement by the Cooperative Extension Service is implied.
Dr. Alan A. MacNab, Professor, Plant Pathology
Penn State College of Agricultural Sciences
211 Buckhout Lab, University Park, PA 16802
Updated: Nov, 2005; EMH
Loaded: Nov, 2005; EMH