Acta Phytopathologica et Entomoligica 33. (1998)

1-2. szám

Contents DISEASES Current plant virus research in Hungary J. Horváth, E. Balázs and R. Gáborjányi...................................................................................... 3 Transmission of sowbane mosaic Sobemovirus by seeds of Chenopodium species and viability of seeds G. Kazinczi and J. Horváth........................................................................................................... 21 Solanum nigrum L. as a new experimental host of Melandrium yellow fleck bromovirus and sowbane mosaic sobemovirus G. Kazinczi and J. Horváth........................................................................................................... 27 Systemic acquired resistance in wheat against stem and leaf rusts B. Barna, S. F. Abdou, К. Manninger and Z. Király..................................................................... 31 Postulation of resistance genes to wheat stem rust in winter wheat genotypes from Szeged Klára Manninger, Mária Csősz, J. Falusi and A. Mesterhäzy...................................................... 37 Susceptibility of vegetable crops to Agrobacterium vitis Ophel et Kerr Cs. Novák, Mária Hevesi, Marianne Keck and E. Szegedi........................................................... 43 Characterization of Phytophthora infestons isolates from Hungary J. Bakonyi, M. Láday, Terézia Dula and T. Érsek......................................................................... 49 Mass appearance of Urocystis occulta (Wallr.) Rabenhorst and the risk caused by its damage J. Kovács, M. Koppányi, R. Kisjuhász, N. Németh and I. Petróczi.............................................. 55 The effect of Macrophomina phaseolina (Tassi) Goid. and two viruses on pepper (Capsicum annuum L.) G. Kazinczi, S. Kadlicskó and J. Horváth..................................................................................... 61 Influence of Pratylenchus crenatus Loof, Fusarium graminearum Schw. and Rhizoctonia solani Kühn, on the content of macro and micro elements in maize G. Urek, Lea Milevoj and A. Hrzic................................................................................................ 69 A medium for selective isolation and identification of Fusarium spp. from cereal grains and maize kernels A. Szécsi and A. Mesterhäzy.......................................................................................................... 79 Induced resistance in tomato plants against Fusarium wilt invoked by Fusarium sp. salicylic acid and Phytophthora cryptogea /. H. Attitalla, P. Quintanilla and S. Brishammar........................................................................ 89 The influence of nico-, primi-, rim- and thifensulfuron-methyl herbicides on the mycelial growth of Fusarium graminearum J. Macek, L. Milevoj and F. Celar................................................................................................. 97 MAGYAR ГШЮМÁNYOS AKADÉMIA KÖNYVTARA з 15 « ? у

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