Joint action of benzoylphenylureas in binary mixtures against larvae of the cotton leafworm,Spodoptera littoralis H. S. A. RadwanG. E. S. ABO El-GharZ. A. El-Bermawy OriginalPaper Pages: 269 - 276
Mass rearing of the florida wax scale,Ceroplastes floridensis, for production of natural enemies Yael ArgovHaggai PodolerDavid Rosen OriginalPaper Pages: 277 - 287
Interspecific associations amongAphis gossypii,Menochilus sexmaculatus andCamponotus compressus in a guava ecosystem A. VergheseP. L. Tandon OriginalPaper Pages: 289 - 297
Control of phytophthora leaf blight of taro (Colocasia esculenta) by fungicides and roguing A. AggarwalR. S. Mehrotra OriginalPaper Pages: 299 - 305
Sugar accumulation in tobacco plants systemically protected against blue mold (Peronospora tabacina) Sara Pe’erY. Cohen OriginalPaper Pages: 307 - 315
The role of oxalic acid and polygalacturonase in the pathogenicity ofPythium aphanidermatum on different cowpea varieties Bunmi KoleoshoT. IkotunO. Faboya OriginalPaper Pages: 317 - 323
Lesion development factors following inoculation ofSclerotinia sclerotiorum mycelium to eggplant, tomato and French bean J. A. ToresR. Moreno OriginalPaper Pages: 325 - 333
Aphid feeding rates on healthy and beet curly top virus-infected plants A. C. MagyarosyT. E. Mittler Note Pages: 335 - 338
Abstracts of papers presented at a meeting on Tristeza citrus decline Y. Va’adiaY. NitzanD. Hasdai Meeting Pages: 339 - 343