Specialists from the Bureau of Plant Industry in the Wisconsin Department of Agriculture, Trade and Consumer Protection routinely inspect nurseries and greenhouses, a license requirement that assists growers in dealing with insect and disease problems and helps assure consumers that they are buying healthy plants.
Beech bark disease in Wisconsin
Gallery of plant virus symptoms
Stem and bulb nematode in phlox plants
Sudden oak death (P. ramorum) nursery survey 2016
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