1. Alternaria eichhorniae, a biological control agent for waterhyacinth: mycoherbicidal formulation and physiological and ultrastructural host responses

   • Yasser M. Shabana
   • Zakaria A.M. Baka
   • Gamal M. Abdel-Fattah

   OriginalPaper Pages: 99 - 111

2. Changes in the structure of Arabidopsis thaliana roots induced during development of males of the plant parasitic nematode Heterodera schachtii

   • Miroslaw Sobczak
   • Wladyslaw Golinowski
   • Florian M.W. Grundler

   OriginalPaper Pages: 113 - 124

3. Early vascular defense reactions of cotton roots infected with a defoliating mutant strain of Verticillium dahliae

   • F. Daayf
   • M. Nicole
   • J.P. Geiger

   OriginalPaper Pages: 125 - 136

4. DNA probes and PCR primers for the detection of a phytoplasma associated with peanut witches'-broom

   • Miaw-Fan Chen
   • Chan-Pin Lin

   OriginalPaper Pages: 137 - 145

5. Fungi associated with esca disease in grapevine

   • P. Larignon
   • B. Dubos

   OriginalPaper Pages: 147 - 157

6. Structure of Melampsora larici-populina populations on wild and cultivated poplar

   • Jean Pinon
   • Pascal Frey

   OriginalPaper Pages: 159 - 173

7. The effect of populations of Xanthomonas campestris pv. phaseoli in bean reproductive tissues on seed infection of resistant and susceptible bean genotypes

   • R.B. Mabagala

   OriginalPaper Pages: 175 - 181

8. Detection of soft rot Erwinia spp. on seed potatoes: conductimetry in comparison with dilution plating, PCR and serological assays

   • B.A. Fraaije
   • M. Appels
   • R.W. Van den Bulk

   OriginalPaper Pages: 183 - 193

9. Book review

   • J.C. Zadoks

   OriginalPaper Pages: 195 - 195