EFFECT OF INSECTICIDAL ACTIVITYOF NEEM (Azudiruchtu indica) ON COWPEA WEEVIL (Cal/osobruchus muculatus  

2019-04-04
Cowpea (Vigna unguiculata (L.) Walp/) is one of the major sources of protein in many developing countries, including Nigeria. Cowpea is a seasonal crop and farmers store the harvest for ...