Studies On Turcicum Blight Of Selected Early And Extra Early Maize (Zea Mays L.) Lines Induced By Helminthosporium Turcicum Pass In Zaria

📄 Project Abstract

During the 1997 and 1998 cropping seasons, studies on turcicum blight of maize (Zea mays L.) induced by Helminthosporium turcicum Pass were carried out in Zaria using selected early and extra-early maize lines. The pathogenicity test carried out in the glass house confirmed Helminthosporium turcicum as the causative agent of the disease. Field and glasshouse screening of fifteen early and eleven extra-early maize lines for their resistance to turcicum blight was conducted in 1997 and 1998. Seven early lines (AK 9331-DMSR, SynE2, ACR 92TZE Comp. 5-W, Dorke-SR, Farakoba 90 pool 16DT (HD), NAES pool 16DT, DT-E-Y SR) and five extra-early lines, TZE-W-SRBC5, CSP-SRBC5, KEB, TZEF-Y-SR, 95.TZEE-W1 were moderately resistant while CSP x local Raytiri, CSP-SR x TZEE-Y among the extra-early lines and AB 11, Kamboinse 88 Pool 16DT RE among the early lines were moderately susceptible. Sowing date trials at 14-day intervals were conducted in 1997 and 1998 using early line AB 11 and extra-early line ...