Effects Of Botanical Extracts And A Synthetic Fungicide On Severity Of Cercospora Leaf Spot Cercospora Sesame Zimm On Sesame Sesamum Indicum L. Yield Attributes Under Screen House Condition In Ardo-Kola Taraba State Nigeria.

ABSTRACT Screen house trials consisting five plant extracts including a synthetic fungicide Azadirachta indica Jatropha curcas Linn. Alium sativum Ocimum gratissimum Chromolaena odorata and Benlate were tested at the Taraba State UniversityTSU Research Farm centre Ardokoa Latitude 080 53268242N and Longitude 110 19268242E in a completely randomized design arrangement. The results of the screen house experiments proved that the plant extracts Garlic Ocimum Chromolaena and Benlate led to 15.56 to 15.22 reduction of severity respectively which culminated in to 31.18 to 30.26 14.04 to 15.79 21.21 to 21.76 and 12.83 to 20.29 increased in capsules per plant seeds per capsule 1000 seeds weight and seeds yield per plant in 2011 and 2012 respectively over the unsprayed control treatment.