Title  :Mixed infection of peach trees with Peach latent mosaic viroid and Hop stunt viroid in the Czech Republic -
Facyltu : Agriculture Section : Botany
Abstract :
Pub by :Acta Hort. 657, 397- 400

researchers from fayoum university
 Dr.-Mohamed Ahmed Ali Hassan
Faculty : Agriculture Section: Botany

researchers
Hassan, M., Rysanek, P. and Di Serio, F