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L. Avinent ; A. Demendoza ; G. Llacer | 1993Alate aphid populations landing on apricot trees were studied in an orchard during Spring, 1990 in Valencia, Spain. The sticky tree method was introduced which consisted of spraying leaves and shoots of the tree with a sticky substance; aphids l[...]article/chapitre/communication
L. Lapchin ; H. Guyot ; P. Brun | 1994A quick method of evaluating aphid infestations on young clementine trees is developed. It uses visual abundance classes. This method is used to compare the population dynamics of two aphid species in 11 orchards in Corsica (France). The curve[...]thèse/mémoire