Acta Phytopathologica 10. (1975)
1-2. szám
Contents DISEASES Effect of Heat Predisposition and Benzimidazole Treatment on Wheat Stem Rust Resistance B. Barna ................................................................................................................................... 1 Krankheitsresistenz von Pflanzen, ein komplexer Prozess Hans Wolfgang ..................................................................................................................... 7 The Role of Anthocyan and Phenol Compounds in the Resistance of Grapes against Botrytis Infection P. Nyerges, E. Szabó and Elza Donkó ..................................................................21 Biochemistry of Resistance and Susceptibility in Cotton to Alternaria macrospora R. Bhaskaran, C. Natarjan and D. Mohanraj ...............................................33 Biochemical Nature of Root Exudates of Abelmoschus esculentus L. in Relation to Pathogenesis of Root and Collar Rot Caused by Rhizoctonia bataticola S. K. Goel and R. S. Mehrotra ......................................................................41 Oxygen Release from Rice Seedings: Effect of Meloidogyne incognita and Helminthosporium oryzae Infections M. M. Joshi, I. K. A. Ibrahim and J. P. Hollis ...............................................51 Influence of Potassium Nutrition and Bacterial Blight Disease on Phenol, Soluble Carbohydrates and Amino Acid Contents in Rice Leaves P. Ranga Reddy and R. Sridhar ........................................................................................55 Survival of Xanthomonas oryzae on Rice Leaves Chineye Nwigwe...........................................................................................................................63 Reaction of Physalis Species to Plant Viruses. IV. Physalis aequata Jack., Physalis ixocarpa Brot., and Physalis viscosa L. as less known indicators of plant viruses J. Horváth ....................................................................................................................................67 Natural Occurrence of Turnip Mosaic Virus in Hungary J. Horváth, N. Juretic, W. Н. Besada and D. Mamula .............................77 Inhibition of Potato Virus X Infectivity by Bark Extract of Prunus persica (L.) Batsch R. Singh and R. Singh.............................................................................................................89 Two viruses Isolated from Pâtisson (Cucurbita pepo L. var. patissonina Greb. f. radiata Nois.), a New Vegetable Natural Host in Hungary. I. Watermelon mosaic virus (general) J. Horváth, N. Juretic, W. H. Besada and G. Kuroli .............................93 PESTS Transmission of Baculovirus by Mites. Study of Granulosis Virus of Codling Moth (Laspeyresia pomonella L.) L. Szalay-Marzsó and C. Vago........................................................................113