Sunflower (Helianthus annuus L.) is the worlds fourth largest oilseed crop. The lower yield can be attributed to several factors including damage caused by charcoal rot (Macrophomina phaseolina). Charcoal rot affected plants are characterized by a grey-to-black discoloration at the base of stem which extends upwards thus hollowing the interior portions. Charcoal rot disease affect the yield of sunflower and had a great impact on the yield attributes. There were three treatments applied in the field on sunflower accessions. Treatment 3 was kept as control treatment. While in treatment 1 the...