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Insecticidal lectins were isolated from 20 resistant Vigna and non‐Vigna legumes and tested againstn 3 pests of cowpea namely: Maruca vitrata, Callosobruchus maculatus and Clavigralla tomentosicollis. Crude lectins were separated from seeds using sodium chloride extraction, ammonium sulfate fract...


Omitogun, O.Jackai, L.E.N.Thottappilly, G.[Isolation of insecticidal lectinenriched extracts from African yam bean (Sphenostylis stenocarpa) and other legume species]Isolation of insecticidal lectinenriched extracts from African yam bean (Sphenostylis stenocarpa) and other legume species

Trials were conducted in Kano, northern Nigeria, during 1996 and 1997 cropping seasons to determine the influence of date of planting and two well-timed insecticides sprays on the incidence of major insect pests namely, the legume pod-borer, Maruca vitrata Fab., legume flower thrips, Megalurothri...

Des essais ont été conduits durant les saisons culturales de 1996 et 1997 à Kano au nord du Nigeria pour déterminer l'influence de la date de plantation et la pulverization de deux insecticides bien connus sur l'incidence des principaux insectes à savoir les boreurs des gousses des légumineuses, ...


Asante, S.Tamo, M.Jackai, L.E.N.[Integrated management of cowpea insect pests using elite cultivars, date of planting and minimum insecticide application]Integrated management of cowpea insect pests using elite cultivars, date of planting and minimum insecticide application

The legume pod‐borer Maruca vitrata (Fabricius), [Lepidoptera: Pyralidae] is a major constraint restricting increased cowpea production in tropical Africa and Asia. Since lectins are known to have insecticidal properties against several pests, a survey was undertaken to screen for the effects of ...


Machuka, J.Damme, E.V.Peumans, W.J.Jackai, L.E.N.[Effect of plant lectins on larval development of legume pod borer, Maruca vitrata]Effect of plant lectins on larval development of legume pod borer, Maruca vitrata

A large number of accessions belonging to selected wild Vigna species namely V. unguiculata subspecies dekindtiana, V. oblongifolia, and V. vexillata were evaluated using choice (DCAT) and no-choice (NCFT) laboratory feeding bioassays to determine their resistance to the pod borer, Maruca vitrata...


Jackai, L.E.N.Padulosi, S.Ng, Q.[Resistance to the legume pod borer, Maruca vitrata Fabricius and the probable modalities involve in wild Vigna]Resistance to the legume pod borer, Maruca vitrata Fabricius and the probable modalities involve in wild Vigna

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