na INLIS000000000025863 Ind 0010-1218007701 Development and persistance of resistance to fungicides in Sphaerotheca fuliginea in cucumbers in the Nederlands SCHEPERS, H.T.A.M. H.T.A.M. Schepers Wageningen Landbouwhogeschool te Wageningen 1985 56 p. : ill. ; 24 cm. 56 p. : ill. ; 24 cm. 635.63-295.2SCHd Thesis(Doctor)-Landbouwhogeschool te Wageningen, 1985 635.63-295.2 CUCUMBERS FUNGICIDES NETHERLANDS 1148/DTS/86