If anyone is interested re. the hazards of the chemicals, here is data on Mancozeb and Daconil:
Extension Toxicology Network
A Pesticide Information Project of Cooperative Extension Offices of Cornell University, Michigan State University, Oregon State University, and University of California at Davis. Major support and funding was provided by the USDA/Extension Service/National Agricultural Pesticide Impact Assessment Program.
http://pmep.cce.cornell.edu/profiles...cozeb-ext.html
http://pmep.cce.cornell.edu/profiles...lonil-ext.html