International Science Community Association International Research Journal of Biological Sciences 2278-3202 9 2 2020 05 10 Field control of bacterial speck of tomato using some plant extracts 1 5 EN Oludare Agbolade James 1 Department of Plant Science and Biotechnology, Federal University Oye Ekiti, Ekiti State, Nigeria Mary Popoola Kehinde 2 Department of Plant Science and Biotechnology, Federal University Oye Ekiti, Ekiti State, Nigeria Adebare Ganiyu Sikiru 3 Department of Agronomy, Federal University, Keshere, Gombe State, Nigeria Philip Olakunle Teju 4 Department of Applied Sciences, Osun State Polytechnic, Iree Rasheed Popoola Akinola 5 Department of Crop Protection, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria Sunday OJO Elijah 6 Department of Crop Protection, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria Ehis Imonmion Joshua 7 Department of Crop Protection, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria > Research Paper 2019 9 13 2020 05 10 One of the diseases of tomato, an important vegetable crop, that is known everywhere in every part of the world is Bacterial speck (Pseudomonas syringae pvtomato. Chemical control has not been very effective and unsafe for the environment hence, the need for alternative methods of controlling the disease. This study accessed the effect of plant extracts on the frequency and ruthlessness of bacterial speck of tomato on two tomato cultivars (Roma VF and Gboko). Experimental construction and design was in form of a Randomized Complete Block Design (RCBD) having three (3) replicates. Plant extracts from Moring a oliefera, Azadirachta indica, Chromolaena odorata at 12.5% w/v and 25% w/v concentrations were applied. Data were subjected to Analysis of Variance (ANOVA) and means separated by the Duncan's Multiple Range Test (p & Copyright@ International Science Community Association 8804; 0.05) using SAS 9.1 for windows. Results showed that Chromolaena odorata at 12.5% w/v greatly reduced the bacterial speck of tomato on Gboko variety while Roman VF responded greatly to treatments with Moringaoleifera at 12.5% w/v and 25% w/v concentrations reducing.