1. Pesticide residues in food: The need for improved risk assessment procedures

   • David G. Lindsay

   Guest Editorial Pages: 95 - 97

2. Effect of Botanical Insecticides on the Foraging and Feeding Behavior of the Coccinellid PredatorCryptolaemus montrouzieri

   • M. S. J. Simmonds
   • J. D. Manlove
   • B. P. S. Khambay

   Research Papers Pages: 99 - 107

3. Effect of botanicals on the population dynamics ofNephotettix virescens, rice tungro disease incidence and yield of rice

   • K. Rajappan
   • C. Ushamalini
   • A. Abdul Kareem

   Research Papers Pages: 109 - 113

4. Vegetative Compatibility amongVerticillium dahliae Isolates from Watermelon in Greece

   • K. Elena

   Research Papers Pages: 115 - 120

5. Isozyme and amplified fragment length polymorphisms fromCephalosporium maydis in Egypt

   • Kurt A. Zeller
   • James E. Jurgenson
   • John F. Leslie

   Research Papers Pages: 121 - 130

6. Purification of an Elicitor-Inducible Antifungal Chitinase from Suspension-Cultured Rice Cells

   • R. Velazhahan
   • R. Samiyappan
   • P. Vidhyasekaran

   Research Papers Pages: 131 - 139

7. Potato Y Potyvirus Detection by Immunological and Molecular Techniques in Plants and Aphids

   • Christina Varveri

   Research Papers Pages: 141 - 148

8. An unusual isolate of turnip mosaic potyvirus fromAbutilon theophrasti in Piedmont, Italy

   • L. Guglielmone
   • C. E. Jenner
   • P. Roggero

   Note Pages: 149 - 152

9. A suggestion to use dogs for detecting red palm weevil (Rhynchophorus ferrugineus) infestation in date palms in Israel

   • J. Nakash
   • Y. Osem
   • M. Kehat

   New Pest Record Pages: 153 - 155

10. Abstracts of presentations on selected topics at the xlvth international plant protection congress (IPPC) July 25–30, 1999

    • G. Theodoridis
    • D. Shaner
    • I. S. Saguy

    Meeting Pages: 157 - 188

11. Abstracts of lectures presented at symposium on plant protection and the environment: Pesticides and their alternatives

    • Claude L. Alabouvette
    • Ilan Chet
    • Moshe Coll

    Meeting Pages: 189 - 194

12. In memoriam

    • Jonathan Donahaye

    Obituary Pages: 195 - 196