1. The bionomics ofLiriomyza Trifolii on Gypsophila and Bean Leaves

   • Jeanine H. W. M. Van Elferen
   • Shoshana Yathom

   Research Paper Pages: 241 - 250

2. Morphological Basis of Resistance in Cotton to the WhiteflyBemisia Tabaci

   • N. S. Butter
   • B. K. Vir

   Research Paper Pages: 251 - 261

3. Reproduction and Development ofAphelenchoides Besseyi

   • Nandini Gokte
   • V. K. Mathur

   Research Paper Pages: 263 - 267

4. Inhibition of Tomato Root Growth in Culture by aVerticillium Dahliae Phytotoxin

   • Janeta Orenstein
   • A. Nachmias
   • H. Lips

   Research Paper Pages: 269 - 278

5. The Effect of Film-Forming Polymers on Powdery Mildew of Cucumber

   • Y. Ela
   • O. Ziv
   • J. Katan

   Research Paper Pages: 279 - 288

6. Biological and Serological Characterization of Zucchini Yellow Mosaic and Watermelon Mosaic Virus-2 Isolates in Israel

   • Y. Antignus
   • B. Raccah
   • S. Cohen

   Research Paper Pages: 289 - 298

7. Vapor pressure and volatility of β-asarone, the main ingredient of an indigenous stored-product insecticide,Acorus calamus oil

   • M. streloke
   • K. R. S. Ascher
   • W. P. Neumann

   Research Paper Pages: 299 - 313

8. Attraction ofTrichogramma platneri to eggs of some lepidopterous pests of avocado

   • M. Wysoki
   • M. De Jong

   Note Pages: 315 - 318

9. Occurrence ofFusarium oxysporum F.SP.Melonis race 1,2 on muskmelon in Israel

   • R. Cohen
   • Talma Katan
   • Ruth Cohn

   Note Pages: 319 - 322

10. Inhibition of mycelial growth and sporidial formation in the wheat pathogenNeovossia indica by a polyamine biosynthetic inhibitor

    • P. P. Singh
    • S. Singh
    • P. S. Bedi

    Note Pages: 323 - 326

11. LRiomyza trifolii on cotton seedlings in Israel

    • Shoshana Yathom

    New Pest and Disease Records Pages: 327 - 328

12. Sara Zimmerman-Gries (1913–1989) in memoriam

    • K. R. Simon Ascher

    Obituary Pages: 329 - 333