Commercial production of watermelon (Citrullus lanatus (Thunb.) Matsum & Nakai) is increasing in The Gambia, but tephritid fruit flies present a huge challenge to its production. To avoid severe losses, watermelon growers often resort to indiscriminate use of pesticides to ma...
Open access
Research Article10.9734/air/2021/v22i130289
The search for resistant cowpea (Vigna unguiculata (L.)) Walp. genotypes against the cowpea seed beetle Callosobruchus maculatus F. (Coleoptera: Chrysomelidae) in order to minimize the use of synthetic insecticides due to problems associated with their use led to field and labora...
Open access
Research Article10.9734/JEAI/2017/38712
A field trial was undertaken to evaluate the insecticidal potency of Levo (a. i. Oxymatrine) botanical insecticide for the management of insect pests of okra (Abelmoschus esculentus L Moench). Podagrica uniformis Jacoby, P. sjostedti Jacoby, Bemisia tabaci (Gennadius), and Aphis...
Open access
Research Article10.9734/AIR/2016/19188
A study was conducted in 2011 at the Kwame Nkrumah University of Science and Technology, Kumasi, Ghana to evaluate the effect of different levels of nitrogen in liquid fertilizer on the population dynamics and within plant distribution of Aphis gossypii (Glover) and Thrips palmi...
Open access
Research Article10.9734/AJEA/2015/17715
Renewed interest in the use of botanical insecticides for the management of insect pests necessitated field experiments to be carried out during the major and minor cropping seasons in 2013 at the plantation crops section of the Department of Crop and Soil Sciences of the Kwame N...
Open access
Research Article10.9734/AJEA/2015/17111