Control of cassava bacterial blight caused by Xanthomonas campestris pv. manihotis using bacterial antagonists

• Published in: Journal of Tropical Plant Pathology (Philippines) Vol. 40; no. 1-2
• Main Authors: Palomar, M.K, Posas, M.B.,Leyte State Univ., Baybay, Leyte (Philippines)
• Format: Journal Article
• Language: English
• Published: 01.01.2004
• Subjects: BACILLUS; BACILO; BACTERIAL PESTICIDES; BLIGHT; CONTROL DE ENFERMEDADES; CONTROLE DE MALADIES; DEPERISSEMENT; DISEASE CONTROL; http://www.fao.org/aos/agrovoc#c_2327; http://www.fao.org/aos/agrovoc#c_26647; http://www.fao.org/aos/agrovoc#c_36122; http://www.fao.org/aos/agrovoc#c_3852; http://www.fao.org/aos/agrovoc#c_4579; http://www.fao.org/aos/agrovoc#c_760; http://www.fao.org/aos/agrovoc#c_767; http://www.fao.org/aos/agrovoc#c_957; INFECCION; INFECTION; MANIHOT ESCULENTA; PESTICIDE BACTERIEN; PLAGUICIDAS BACTERIANOS; PSEUDOMONAS FLUORESCENS; TIZON; XANTHOMONAS CAMPESTRIS MANIHOTIS
• ISSN: 0115-0804

The effects of different concentrations of three promising bacterial antagonists applied as protectant were evaluated for the control of bacterial blight of cassava caused by Xanthomonas campestris pv. manihotis. In potted experiment, the protective effect of the three promising bacterial antagonists namely: Pseudomonas flourescens, Pseudomonas sp. and Bacillus sp. increased with the increase in level of inoculum concentration regardless of the method of inoculation used. Field test of the most effective concentration (1.3 x 10E8 cfu/ml) showed no interaction between the method of inoculation and promising bacterial antagonist used to control Xanthomonas campestris pv. manihotis. A highly significant reduction of percent disease infection, percent disease control and corresponding increased of yield were observed on plants treated with any of the three promising bacterial antagonists.