Zakka, Usman, Department of Crop and Soil Science, Faculty of Agriculture, University of Port Harcourt, Port Harcourt, Rivers State, Nigeria

• Journal of Biological Research - Bollettino della Società Italiana di Biologia Sperimentale Vol. 90 No. 2 (2017) - Original Articles
  Field trials of formulated neem seed oil at different rates and frequencies on pigeonpea flower blister beetle, Mylabris pustulata Thunberg in Owerri Rainforest Zone, Nigeria
  Abstract  PDF