Following its recent synonymisation with Meloidogyne ulmi, a species known to parasitize elm trees in Europe, it has become clear that M. mali has been in the Netherlands for more than fifty years. Evidences given by the authors suggest ...
On a chilly afternoon Jan. 30, a large group gathered on the National Mall to watch a resplendent sunset behind the Washington Monument. As darkness gathered, a coterie of dignitaries including Energy Secretary Steven Chu and Secretary of ...