Inoculation of soybean (Glycine max) is an efficient and convenient way of introducing rhizobia to soil and subsequently the rhizosphere of the crop. However, its full potential in sub-Saharan Africa is yet to be realized due to effects of varying soil limiting conditions. Critical levels of nitrogen (N) below and above which response is not guaranteed are unknown. The objective of the study was to determine the critical range of N outside which response to inoculation is hindered. Below the lower ...

Several techniques, such as chemical and bio-insecticides have been applied by farmers to control thrips (Megalurothrips sjostedti) damage on cowpea. Many factors, such as improper amount of insecticides to dilute in water, cost and unavailability of insecticides and equipment limit the effective control of these thrips. Incorporating thrips resistant genes into local adapted landraces could increase farmers‘ income. These new lines could be grown with minimal insecticide application. Participatory ...

Stictococcus vayssierei Richard, 1971 commonly known as the African root and tuber scale (ARTS), was first identified as an agricultural pest in the early 1980s. Following population outbreaks in Cameroon and the Democratic Republic of Congo in late 1980s – early 1990s, the insect is currently reported as one of the major pests threatening root and tuber crop production in Central Africa. Outbreaks can merely be viewed as symptomatic of some breakdown of internal organization and extrinsic factors ...

Low maize yields and the impacts of climate change on maize production shows the need to improve yields in Sub-Saharan Africa. Thus the objective of this study is to evaluate DT maize hybrids under heat and combined heat and drought stresses and to determine the relationship between grain yield and other agronomical trait. In this study two groups of hybrids were used. Eighteen top cross maize hybrids, one local check and a standard check laid-out in alpha lattice of 5x4 with two replicates, the ...