1. Joint action of benzoylphenylureas in binary mixtures against larvae of the cotton leafworm,Spodoptera littoralis

   • H. S. A. Radwan
   • G. E. S. ABO El-Ghar
   • Z. A. El-Bermawy

   OriginalPaper Pages: 269 - 276

2. Mass rearing of the florida wax scale,Ceroplastes floridensis, for production of natural enemies

   • Yael Argov
   • Haggai Podoler
   • David Rosen

   OriginalPaper Pages: 277 - 287

3. Interspecific associations amongAphis gossypii,Menochilus sexmaculatus andCamponotus compressus in a guava ecosystem

   • A. Verghese
   • P. L. Tandon

   OriginalPaper Pages: 289 - 297

4. Control of phytophthora leaf blight of taro (Colocasia esculenta) by fungicides and roguing

   • A. Aggarwal
   • R. S. Mehrotra

   OriginalPaper Pages: 299 - 305

5. Sugar accumulation in tobacco plants systemically protected against blue mold (Peronospora tabacina)

   • Sara Pe’er
   • Y. Cohen

   OriginalPaper Pages: 307 - 315

6. The role of oxalic acid and polygalacturonase in the pathogenicity ofPythium aphanidermatum on different cowpea varieties

   • Bunmi Koleosho
   • T. Ikotun
   • O. Faboya

   OriginalPaper Pages: 317 - 323

7. Lesion development factors following inoculation ofSclerotinia sclerotiorum mycelium to eggplant, tomato and French bean

   • J. A. Tores
   • R. Moreno

   OriginalPaper Pages: 325 - 333

8. Aphid feeding rates on healthy and beet curly top virus-infected plants

   • A. C. Magyarosy
   • T. E. Mittler

   Note Pages: 335 - 338

9. Abstracts of papers presented at a meeting on Tristeza citrus decline

   • Y. Va’adia
   • Y. Nitzan
   • D. Hasdai

   Meeting Pages: 339 - 343

10. Oskar Theodor (1898–1987) in memoriam

    • Yosef Schiein

    Obituary Pages: 345 - 346