Nematode Vectors of Plant Viruses

1. Front Matter

   Pages i-x

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2. Virus Vector Nematodes — Taxonomy and General Introduction

   • David J. Hooper

   Pages 1-14

3. Morphology of Longidoridae

   • A. Coomans

   Pages 15-37

4. Taxonomy of Xiphinema Cobb, 1913

   • Michel Luc

   Pages 39-52

5. A “Lattice” for the Identification of Species of Xiphinema Cobb, 1913

   • Michel Luc, A. Dalmasso

   Pages 53-70

6. Taxonomy of Longidorus (Micoletzky) Filipjev and Paralongidorus Siddiqi, Hooper and Khan

   • Franco Lamberti

   Pages 71-90

7. Morphology of Trichodorid Nematodes

   • David J. Hooper

   Pages 91-101

8. Taxonomy of Trichodoridae

   • P. A. A. Loof

   Pages 103-127

9. Functional Morphology of Dorylaimida

   • D. Roggen

   Pages 129-137

10. Cytogenetics and Reproduction in Xiphinema and Longidorus

    • A. Dalmasso

    Pages 139-151

11. Short Report Embryology and Hatching of Trichodorus Similis and Longidorus Elongatus

    • Urs Wyss

    Pages 153-154

12. Cell Structure and Cell Function — An Introduction to Ultrastructure

    • Peter L. Lippens

    Pages 155-158

13. Ultrastructure of Dorylaimidae

    • Peter L. Lippens

    Pages 159-178

14. The Structure and Musculature of the Feeding Apparatus in Longidorus and Xiphinema

    • W. M. Robertson, C. E. Taylor

    Pages 179-194

15. The Ultrastructure of the Feeding Apparatus in Trichodorids

    • W. M. Robertson, C. E. Taylor

    Pages 195-202

16. Feeding of Trichodorus, Longidorus and Xiphinema

    • Urs Wyss

    Pages 203-221

17. Some Features of Nematode-Borne Viruses and Their Relationship with the Host Plants

    • G. P. Martelli

    Pages 223-252

18. Acquisition, Retention and Transmission of Viruses by Nematodes

    • C. E. Taylor, W. M. Robertson

    Pages 253-276

19. Short Report Some Non-Rosaceous Trees and Shrubs as Hosts to Nematode-Borne Viruses

    • J. I. Cooper

    Pages 277-278

20. Short Report Distribution of Artichoke Italian Latent Virus and Its Nematode Vector in Apulia

    • F. Roca, G. P. Martelli, G. L. Rana

    Pages 279-280

Although nematodes had long been suspected as vectors of soil­ borne plant diseases, unequivocal proof of their implication was not forthcoming until 1958 when Professor William Hewitt and his colleagues in California demonstrated experimentally that Xiphinema ~ was the vector of grapevine fanleaf virus. This opened up a new and exciting field in plant pathology and discoveries quickly followed of other nematode species associated with soil-borne diseases of many different crops and in several countries. After the initial enthusiasm of discovering new vectors and new viruses there followed a period of consolidation in which research workers sought answers to tantalising questions about the location of the virus within the nematode, the factors governing the close speci­ ficity between virus and vector; and more mundane but equally important and compelling questions about life cycles, geographical distribution, host relations, morphology and taxonomy. No other group of nematodes has attracted such a concentrated effort involv­ ing many different scientific specialisations and yielding so much progress in a relatively short time. The NATO Advanced Study Institute held at Riva dei Tessali, Italy, during 19 May to 2 June, 1974, provided the forum for a critical discussion of all aspects of biology of virus vector nema­ todes.

• Embryo
• biology
• plant
• plants
• soil
• taxonomy
• tobacco
• tree

• Laboratorio di Nematologia, Agraria, Bari, Italy

  F. Lamberti

• Scottish Horticultural, Research Institute, Dundee, Scotland

  C. E. Taylor

• Institut voor Planten, Ziektenkundig, Wageningen, Netherlands

  J. W. Seinhorst

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