Acta Phytopathologica 11. (1976)

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ACTA PHYTHOPATHOLOGICA Volume 11 CONTENTS DISEASES Effect of Kinetin on Lesion Development and Infection Sites in Xanthi-nc Tobacco Infected by TMV; Single-cell Local Lesions E. Balázs, В. Barna and Z. Király..................................................................... 1 Antagonistic Effect on TMV Infectivity Between Poly-L-lysine and Poly-L-arginine E. Tyihák and E. Balázs..................................................................................... 11 Natural Occurrence of Celery Mosaic Virus in Hungary J. Horváth, N. Juretic, N. Ljubesic and W. H. Besada...................................... 17 Circaea lutetiana L. (Family: Onagraceae [Oenotheraceae]), a New Natural Host of Cucumber Mosaic Virus J. Horváth, D. Mamula and W. H. Besada..........................................................25 Influence of Soybean Mosaic Virus Infection on Free Amino Acid Content on Nodules of Soybean (Glycine max) L. (Merr.) U. P. Gupta and R. D. Joshi.................................................................................33 Investigations on the Antigenic Structure of Fusaria. I. An Electrophoretic Survey of Proteins, Glycoproteins and Lipido-proteino-polysaccharides in the Mycelial Extracts of Fusarium acuminatum L. Hornok and Gy. Oros.....................................................................................37 Effect of Temperature on Fusarium Root Rot of Pea Malati Majundar and S. P. Raychaudhuri..................................................45 New Records of Powdery Mildews on Certain Ornamental Plants S. H. Michail and A. M. Tarabeih..................................................................53 Fungitoxicity of Phytoalexins Derived from Potato Against Mycelial Growth of Phy­tophthora infestons Judit Beczner and T. Érsek.............................................................................59 Increased Production of Some Amino Acids — A Possible Mechanism for Mercury and Captan Tolerance by Fungicide-adapted Isolates of Macrophomina phaseoli J. P. Rana and P. K. Sengupta.........................................................................65 Apoplexy of Apricots. V. Pathological and histological investigation of the apoplexy of apricots K. Babos, Zs. D. RozsNYAYand Z. Klement..........................................................71 Role of Phenolics in Bacterial Blight Resistance in Cotton (Short Communication) Bushan L. Jalali, G. Singh and Rajendra K. Grover.......................................81 PESTS Sucking Trap for Observing the Swarming of Males of San José Scale, Quadraspidiotus perniciosus Comst. ( Homoptera, Coccoidea) F. Kozár........................................................................................................................85 Inhibition of Oviposition in the Bean Weevil (Acanthoscelides obtectus Say, Col., Bruchidea) G. Muschimek, Á. Szentesi and T. Jermy.................................................................91 Factors Determing Host-plant Selection Behaviour of Insects N. A Vilkova ............................................................................................................99

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