Akami Praise S, Nahunnaro H, Chimbekwujo I B and Bayaso I
Federal College of Education Yola, Nigeria Modibbo Adama University of Technology, Nigeria Ministry of Agriculture Yola, Nigeria
Posters & Accepted Abstracts: Int J Appl Sci Res Rev
Diseases pose serious constraints to sesame production in producing areas. Cercospora leaf spot (Cercospora sesamizimm) has been identified as one of the most prevalent diseases which are to be controlled by Mancob-M fungicide. The field experiment was carried out using a randomized complete block design and was replicated three times on a plot size of 4 m x 5 m with four sesame varieties and three Mancob-M fungicide levels (0, 2 and 4 g) to give a total of twelve treatments. The laboratory experiment involved isolation of the pathogens from diseased leaves with symptoms of Cercospora leaf spot which was identified as Cercospora sesami. Data collected includes growth and disease parameters. The result revealed that 4 g Mancob-M recorded the lowest mean value for disease incidence and severity at 8.Was 90.30% and 35.60% respectively, while the control (0 g) recorded the highest mean value for disease incidence and severity was 90.30% and 59.80% respectively. Ex-sudan recorded the lowest value of 720 kg/ha while NCRIBEN 03 recorded the highest yield of 834 kg/ha-1. For the concentrations, 2 g of Mancob-M recorded a higher yield of 843 kg/ha-1 followed by 0 g which recorded 765 kg/ha-1. Variety E8 has a higher resistance to the disease while NCRIBEN 03 tends to be more susceptible but gave a higher yield. It therefore implies that variety E8 which showed higher resistance to the disease can be merged with NCRIBEN 03 (through hybridization) to produce a much better variety.
E-mail:
Akami.ps@gmail.com
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