Acta Phytopathologica 07. (1972)

1-3. szám

Contents Apoplexy of Apricots: 1. Bacterial Die-back and the Development of the Disease Z. Klement, D. Susan Rozsnyai and Eve Visnyovszky................................. 3 /З-Glucosidase Activity and Free-HCN in Ageing Cultures of Low-Temperature Basi­­diomycete in Relations to Growth Temperatures Awatar S. Sekhon....................................................................................................... 13 Changements ultrastructuraoux observés dans les cellules de blé infecté par Puccinid graminis f. sp. tritici J. D. Pinon, Gy. Bossányi et G. M. Oláh .....................................................21 Peroxidase Isoenzymes in Susceptible and Resistant Host-Parasite Complexes of Phaseo­­lus vulgaris and Uromyces phaseoli P. Montalbini ........................................................................................................41 Change of Free Amino Acid Content in Corn Tissues Infected with Corn Smut (Ustiiago maydis [DC.] Cda.) in the Course of Pathogenesis M. Pethő ............................................................................................................................47 Influence of Nitrogen Fertilization and Piricularia oryzae. Development on some Oxidases, their Substrates and Respiration of Rice Plants R. Sridhar ........................................................................................................................57 Cercospora traversiana Sacc., a New Destructive Pathogen of Fenugreek in Hungary J. Vörös and F. Nagy .............................................................................................71 Further Notes on the Powdery Mildwes of Hungary. I G. Ubrizsy ...............................................................................................................77 Review of the Mycoflora of Hungary. Part X. Deuteromycetes: Melanconiales J. Vörös and Judith Léránth ....................................................................................85 Nouvelles analyses mycocénologiques dans certains types sylvicoles de la Hongrie G. Ubrizsy ..............................................................................................................101 Factors Affecting the Toxicity of Carboxin and Oxycarboxin against Rhizocotnia solani Rajendra K. Grover and B. L. Chopra ..........................................................131 Investigation on the Mechanism of the Reaction of Benzohydroxamic Acids with Acid Amides Z. Eckstein and G. Matolcsy ....................................................................................139 A Study on the Antifungal Properties of Dithiazolethiones and Dithiolethiones G. Matolcsy, M. Hamrán and B. Bordás...............................................................143 Studies on Viruses and Virus Diseases of Cruciferous Plants III. Nasturtium Ringspot Virus in Sinapis alba L. D. D. Shukla and K. Schmelzer ........................................................................147 Studies on Viruses and Virus Diseases of Cruciferous Plants IV. The Previously Unde­scribed Erysimum Latent Virus D. D. Shukla and K. Schmelzer .................................................................157 Further Studies on an Antiviral Principle Induced by Potato Virus X in Capsicum pendulum B. B. Nagaich, Jatinder Sethi and Sabhajeet Singh .....................................169

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