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The effects of applications of locust insecticides on birds were studied in the savannah of northern Senegal in 1989. The insecticides studied were fe...
Read moreVarietal growth characteristics affect yield and the ability of cotton plants to avoid and/or compensate for herbivore damage, in particular by the cu...
Read moreA population dynamics model of the field biology of the curculionid Anthonomus grandis under Brazilian conditions was linked to a model for cotton gro...
Read moreAge-structured host/parasitoid population models with overlapping generations were developed to investigate the interactions of Rastrococcus invadens,...
Read moreA mathematical population model limited by density-dependent larval mortality and a baculovirus for Oryctes rhinoceros, a scarabaeid pest of coconut a...
Read moreIn a field experiment in central Sweden, shoots of 20-year-old Scots pine (Pinus sylvestris) were hand-pruned in 2 series, 1 with non-fertilized trees...
Read moreIn a study of net above-ground productivity of the economically important woody weed, S. punicea, in S. Africa, with and without the introduced monoph...
Read moreFlight phenologies of the migrant aphid Rhopalosiphum padi, as indicated by suction trap catches throughout France in 1978-88, were compared using mul...
Read moreAn anholocyclic clone of Rhopalosiphum padi was reared on leaves of barley seedlings at 20°C in LD 16:8. First-instar nymphs and newly moulted, pre-re...
Read moreA study was carried out in the UK in 1982-84 of 5 passerine bird species in four plots (70 ha), two of which were sprayed at 300 g/ha with fenitrothio...
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