Infestation by insect pests and infection of disease causing pathogens are among the major biotic constraints hindering production, profitability and contribution of citrus to economic development. The African citrus triozid ...

Tsetse flies use olfaction in search for food, mates and larviposition sites. Olfactory proteins [(odorant binding proteins (OBPs), pheromone binding proteins (PBPs), chemosensory protein (CSPs), odorant degrading enzymes ...

Feeding bioassays with cellulose acetate discs impregnated with the hexane, ethyl acetate and methanol extracts of the leaf-whorls of field grown plants of sorghum cultivars IS 18363 (susceptible) and IS 2205 {LdSistant) ...

Honey bees are important insects that have benefited mankind for medicinal and nutritional purposes for thousands of years. They have also provided an important balance in the environment allowing many plant species to ...

In Locusta migratoria, vitellogenin (Vg) synthesis is normally induced by juvenile hormone (JH) only in adult females. Larval and adult female and male locusts were tested for inducibility of Vg synthesis by the synthetic ...

Laboratory investigations were carried out to assess phytophagy and its effects on the biology of phlebotomine sandflies and their capacity to transmit Leishmania parasites. Preliminary trials to determine the optimum ...

Lepidoperan stemborers are a major constraint to increasing the production of maize and sorghum under subsistence farming conditions in sub-Saharan Africa. Classical biological control is considered as the most cost-effective ...

This thesis describes the asymmetric phase-transfer catalysed (PTC) Darzens condensation of aldehydes and ketones with the chiral reagents 1-menthyl chloromethanesulphonate, (S)-(-)-N-chloromethylsulphony l-2 -methoxymet ...

This study was conducted to assess the possibility of immunising rabbits against Rhipicephalus appendicuatu Neumann, the vector for East Coast fever and Corridor disease, the most important tick-borne diseases in East ...