Author:
van Emden Helmut F.,Peakall David B.
Reference140 articles.
1. A’Brook, J. (1968) The effect of plant spacing on the numbers of aphids trapped over the groundnut crop. Ann. Appl. Biol., 61, 289–94.
2. Altieri, M.A., van Schoonhoven, A. and Doll, J.D. (1978) A review of insect prevalence in maize (Zea mays L.) and bean (Phaseolus vulgaris L.) in polycultural systems. Field Crops Res., 1, 33–49.
3. Anon. (1994) Die Rückkehr der Reblaus. Profil, October, 11.
4. Ansari, A.F. (1984) Biology of Aphis craccivora (Koch) and varietal resistance of cowpeas. Ph.D. Thesis, University of Reading.
5. Atiri, G.I., Ekpo, E.J.A. and Thottappilly, G. (1984) The effect of aphid-resistance in cowpea on infestation and development of Aphis craccivora and the transmission of cowpea aphid-borne mosaic virus. Ann. Appl. Biol., 104, 339–46.