Preservation of Cowpea (Vigna unguiculata (L.) Walp) Grains against Cowpea Bruchids (Callosobruchus maculatus) Using Neem and Moringa Seed Oils

Figure 1

Effect of oil types and concentrations on number of eggs laid by C. maculates in stored cowpea. Vertical lines are LSD bars at 𝑃=.05.

(a) Oil types

(b) Oil concentrations