Indications of soil borne inoculum ofPhytophthora infestans B. AnderssonM. SandströmAnita Strömberg Full Papers Pages: 305 - 310
Heterosis and combining ability analysis for resistance to early blight (Alternaria solani) in potato J. Gopal Full Papers Pages: 311 - 317
Defence reactions in two potato cultivars following infection with two races ofPhytophthora infestans Claudia TononAdriana AndreuG. R. Daleo Full Papers Pages: 319 - 325
Rate of spread of PVYn by alateMyzus persicae (Sulzer) from infected to healthy plants under laboratory conditions G. BoiteauM. SinghT. R. Turner Full Papers Pages: 335 - 344
Variation in tuber pathogenicity ofPhytophthora infestans in the Netherlands W. G. FlierL. J. TurkensteenA. Mulder Full Papers Pages: 345 - 354
Changes in race structure of Canadian populations ofPhytophthora infestans based on specific virulence to selected potato clones R. D. PetersH. W. (Bud) PlattR. Hall Full Papers Pages: 355 - 370
Plant regeneration from tuber discs of potato (Solanum tuberosum L.) using 6-benzylaminopurine (BAP) Mahmood Esna-AshariT. A. Villiers Full Papers Pages: 371 - 382
Potential for artefacts in the measurement of fructose and sucrose in extracts of potato tubers using the microplate reader assay S. MitchellP. DobsonR. Viola Full Papers Pages: 383 - 386