In Vitro and In Vivo Effect of Poplar Bud Extracts on : A New Effective Biological Method in Potato Late Blight Control.

The effect of populin extract from black poplar () on seven different late blight strains was tested under laboratory and field conditions. The growth rate of hyphae was found to be significantly lower in vitro after 3 and 4 /% populin applications. Stain M16 was resistant to populin treatment under lab conditions, however.