A Comparison of the Response of some Pearl Millest («Pennisetum glaucum» (L.) R. BR) Hybrids and their Parents to Downy Mildew («Sclerospora graminicola») Infestiation in Bakura and Zaria (North-Western Nigeria)

World Scientific News, Tom 70, Numer 2 (2017) s. 252-264
Ati H. Maryam, I. I. Angarawai