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V. Traicevski ; S. Ward | 20021. Reciprocal transfer experiments were undertaken using four different hosts to examine the effects of a change in host at adult moult on the probing behaviour of the cowpea aphid Aphis craccivora Koch. 2. The highest intrinsic rate of increase[...]article/chapitre/communication
article/chapitre/communication
E. Prado ; W. Tjallingii | 1994Aphid salivation in sieve elements and phloem sap ingestion were linked to waveforms in the Electrical Penetration Graph (EPG). Non-viruliferous Rhopalosiphum padi (L.) (Hemiptera, Aphididae) on barley yellow dwarf virus (BYDV) infected wheat co[...]article/chapitre/communication
W. Tjallingii ; B. Gabrys | 1999A deviating type of potential drop (pd), i.e. the electrically recorded intracellular punctures during the pathway phase of plant penetration by aphids, is described and discussed. This so-called repetitive pd (R-pd) has been observed in 4 aphid[...]article/chapitre/communication
article/chapitre/communication
W. Tjallingii ; T. Hogen Esch | 1993article/chapitre/communication
article/chapitre/communication
W. Tjallingii | 1994Aphis fabae took 3 to 4 hours, after access to a plant, to show the first puncture of a sieve element. A further hour was needed before sustained ingestion started. Early probes did not show sieve element punctures, in general. Within later prob[...]