This guide for organic production of potatoes provides an outline of cultural and pest management practices and includes topics that have an impact on improving plant health and reducing pest problems. Updated for 2016....

that has maneb, mancozeb, chlorothalonil, or fixed copper as an active ingredient AND has tomato and potato late blight on the label. Of these fungicides, only some of the fixed copper products are approved for organic production. Contact your Cornell...
or were forced to emigrate. Entire potato crops rotted in the field or in storage because of late blight infection. Late blight is caused by an oomycete pathogen that survives from one season to the next in infected potato tubers. This organism is well...

of action to avoid or delay field resistance. 18) Chose effective labeled pesticides with the least environmental and beneficial organism impact (EIQ). 19) Calibrate sprayer at least once per season. 20) Keep complete records of soil tests, fertilizer...
publications: Integrated Crop and Pest Management Guidelines for Commercial Vegetable Production. A Method to Measure the Environmental Impact of Pesticides. 1992. New York Food and Life Sciences Bulletin Number 139. The above reference material can be obtained...