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- Title
Combined use of Bacillus subtilis strain B-001 and bactericide for the control of tomato bacterial wilt.
- Authors
Peng, Di; Luo, Kun; Jiang, Huidan; Deng, Yanan; Bai, Lianyang; Zhou, Xiaomao
- Abstract
BACKGROUND Tomato bacterial wilt caused by Ralstonia solanacearum poses a serious threat to tomato production. However, no effective control measures are available. In this study, the bactericide Saisentong was combined with an effective biological control agent, Bacillus subtilis B-001, to control tomato bacterial wilt under greenhouse and field conditions. RESULTS Growth of B-001 in vitro was unaffected by Saisentong. In greenhouse experiments, the combined application of B-001 and Saisentong via root irrigation or spray resulted in better disease control compared with either agent alone. In two field trials, at a Saisentong concentration of 400 or 500 mg kg−1, the combined treatment was more effective than expected and showed a synergistic effect. A lower concentration of Saisentong (200 or 300 mg kg−1) in combination with B-001 resulted in an antagonistic effect. However, disease control was significantly greater compared with either treatment alone. CONCLUSION The combination of Saisentong and B-001 effectively controls tomato bacterial wilt. The integrated strategy represents a promising new tool to control this disease. © 2016 Society of Chemical Industry
- Subjects
BACILLUS subtilis; BACTERICIDES; BACTERIAL wilt diseases; TOMATOES; IRRIGATION
- Publication
Pest Management Science, 2017, Vol 73, Issue 6, p1253
- ISSN
1526-498X
- Publication type
Article
- DOI
10.1002/ps.4453