Plant Growth Promoting Rhizobacteria for Biocontrol of Tomato Bacterial Wilt Caused by Ralstonia solanacearum

Bacterial wilt induced by Ralstonia solanacearum is one of the most damaging and widespread diseases tomatoes in world. Biological control with rhizobacteria efficient components integrated pest management methods used to disease enhance production. To this end, plant growth-promoting (Bacillus isolate BDUA1, Pseudomonas isolates BBDUA2 BDUA3) isolated from tomato rhizosphere were evaluated for their traits using standard methods, selected also tested biocontrol efficacy on bacterial under greenhouse conditions. All produced cellulase lipase, only BDUA1 BDUA3 protease amylase. Besides, BDUA2 showed phosphate solubilization production indole-3-acetic acid, HCN, siderophore, while solubilized HCN siderophore. Our results that reduced incidence Maya variety 51.9% 48.5%, respectively, Melkesalsa 51.8% respectively. Treatment displayed highest height (36.91 cm), followed treatment (31.74 cm) same variety. effect increasing dry weight shoots roots 4.16 g 0.59 3.63 0.48 g, Similarly, had greatest 3.8 0.54 3.12 0.41 The overall result could be as promising growth promotion agents provided they validated field