Cambridge University Press по журналам "International Journal of Tropical Insect Science"
Отображаемые элементы 1-20 из 2442
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(Cambridge University Press. Cambridge, UK, 1984-10-01)Recording of electroantennographic (EAG) responses from tsetse, Glossina pallidipes and G. morsitans morsitans (Diptera: Glossinidae) has been used to detect olfactory stimulants in volatiles from cattle. The most potent ...
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(Cambridge University Press. Cambridge, UK, 1989-08-01)
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(Cambridge University Press. Cambridge, UK, 1983-12-01)Three 9-acridone alkaloids, melicopicine, tecleanthine and 6-methoxy tecleanthine were isolated from the bark of Teclea trichocarpa. Melicopicine and tecleanthine exhibited mild antifeedant activity against the African ...
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(Cambridge University Press. Cambridge, UK, 1988-04-01)This bibliography on rice leaffolders contains 886 published and unpublished references for the period 1854 to June 1987. References are arranged alphabetically by the name of author and also classified by subjects. A ...
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(Cambridge University Press. Cambridge, UK, 1986-12-01)From early March 1981 to late May 1982, the aphid population trend on 2-year-old Raphia hookeri palm plantation in Nigerian Institute for Oil Palm Research Benin, was studied in relation to ambient weather conditions. The ...
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Abundance of Rice Arthropods and Weeds on the Continuum Toposequence in a West African Inland Valley(Cambridge University Press. Cambridge, UK, 1999-09-01)A 2-year study was conducted to determine the abundance of rice arthropods as affected by weeding regimes and toposequence sites, from upland to lowland, in an inland valley in Côte d'Ivoire, West Africa. Toposequence site ...
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(Cambridge University Press. Cambridge, UK, 2003-09-01)In West and Central Africa, panicle-feeding mirid bugs, particularly Eurystylus oldi Poppius (Hemiptera: Miridae), are major pests of improved sorghum cultivars. Population dynamics of panicle-feeding bugs were studied on ...
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(Cambridge University Press. Cambridge, UK, 1997-06-01)We monitored abundance, population dynamics and damage impacts of the leucaena psyllid Heteropsylla cubana Crawford (Homoptera: Psyllidae) in a maize-leucaena agroforestry system. The abundance of local ladybird beetle ...
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(Cambridge University Press. Cambridge, UK, 2000-09-01)The unsaponifiable matter and fatty acid methyl esters of the petroleum ether extract of seven plants with known acaricidal activity were fractionated and identified by GC chromatography, and their biological activity ...
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(Cambridge University Press. Cambridge, UK, 1994-04-01)Food production in Africa is declining, while her population is increasing rapidly. Some factors responsible for low food productivity are mentioned; special attention is given to the problem of agricultural pests. The ...
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(Cambridge University Press. Cambridge, UK, 2008-12-01)
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(Cambridge University Press. Cambridge, UK, 2010-12-01)
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(Cambridge University Press. Cambridge, UK, 2006-12-01)
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(Cambridge University Press. Cambridge, UK, 2000-12-01)
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(Cambridge University Press. Cambridge, UK, 1999-03-01)
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(Cambridge University Press. Cambridge, UK, 2002-12-01)
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(Cambridge University Press. Cambridge, UK, 2003-12-01)
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(Cambridge University Press. Cambridge, UK, 2007-12-01)
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(Cambridge University Press. Cambridge, UK, 2001-12-01)
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(Cambridge University Press. Cambridge, UK, 1987-12-01)The Africa-wide Biological Control Programme (ABCP) gratefully acknowledges the financial support of the following: International Fund for Agricultural Development, Rome; Directorate for Technical and Humanitarian Aid, ...
Отображаемые элементы 1-20 из 2442