Results indicate that when applied at moderate to high dosages, NSO, freshly prepared or stored for between 2 and 15 years can effectively manage C. maculatus infestation of cowpea grains.

Oil was extracted from the ground seed kernel of Azadirachta indica plants using N-hexane as a solvent. Larvicidal tests were carried out on 600 third and fourth instar stages of Anopheles gambiae using an aliquot of extracted oil emulsified with a surfactant (Tween 80) at concentrations ranging from 100 to 500 ppm.

These results indicate that when applied at moderate to high dosages, NSO, freshly prepared or stored for between 2 and 15 years can effectively manage C. maculatus infestation of cowpea grains. Key Words: Cowpea grain, Callosobruchus maculatus, neem seed oil, storage period, dosages and Banjara.

Oct 4, 2019 · Cowpea, Vigna unguiculata (L.) Walp., is the most cultivated and consumed legume in West Africa and is typically attacked by several insect pests, including Maruca vitrata, leading to reduced...

Several insects attack the crop in the field and in storage. Flower budworm thrips (Megalurothrips sjöstedti) is one of the most damaging insects in Africa (Jakai and Daoust 1986, Jackai et al., 1992)[7, 8]. The most common control technique against these pests is …

Mar 1, 2011 · Plant-based repellents have been used for generations in traditional practice as a personal protection measure against host-seeking mosquitoes. Knowledge on traditional repellent plants obtained...

resistant to fruit worm insect (Helicovarpa zea Buddie) developed from eight parents (2 lines and 6 testers) through line x tester. The purpose of this study among others was to estimate the association existing between fruit yield and other yield components and to also determine the path analysis. The correlation

insect pests populations on both the improved and local cowpea cultivars sprayed one time with NSO during the study. The significantly lower insect pest population.

Sep 10, 2011 · Sodangi's Corner The world as I see it. Saturday, 10 September 2011. My First Publication. 31st March 2010, I received an email from someone with a strange name. It reads, in part: In the course of a research at the Library of RSPSoc Students, we came across a reference to your thesis on "Efficacy of shelterbelt afforestation in combating ...

Jan 14, 2022 · It acts as an antifeedant, repellent, and repugnant agent and induces sterility in insects by preventing oviposition and interrupting sperm production in males.