Manzate on paphs and phrags

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L

limuhead

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I was doing some research on fungicides and was wondering if anyone here has used Manzate on their plants. The results I found suggested 1.5 to 3 teaspoons for gallon for orchids. What do you folks think? I would appreciate any feedback...
Thanks, Fred
 
Manzate (Dupont)is the commercial name of Mancozeb sold under the name Dithane by Dow AgroScience. It is a dithiocarbamate of Manganese and Zinc. I use it from time to time (as a preventive fungicide) on my orchids at a dose of 2 gr/L. It is a wettable powder so it remain white spots on the leaves after treatment.
 
Manzate, sold at the same Ag supply place where I get supplies is about 2/3 the price of Dithane; exact same chemical composition...
 
Aren't carbamates neurotoxic?
Neurotoxic in what way? There are carbamates like methiocarb and carbaryl that are cholinesterase inhibitors but mancozeb is not. Exposure to mancozeb, zineb and many other fungicides and pesticides has been associated with an increased likelyhood of Parkinson's disease. You should wear a good half-face cartridge respirator when applying any of these.
 
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