Biological control of Sumatra disease bacterium (Pseudomonas syzygii) with its avirulent strains and Pseudomonas solanacearum
1991
Hartati, S.Y. | Boa, E.R. | Supriadi | Adhi, E.M. | Karyani, N.
The use of organism antagonist has been noted as promising in plant disease control strategy and bacteria can be important as biological control agents. Potential biological control of avirulent strains of Pseudomonas syzygii and other closely related bacterium (P. solanacearum) to suppress infections by virulent strains of P. syzygii, the cause of Sumatra disease on clove was investigated. Clove seedlings used in this experiment were approximately one-year old treated with bacterial isolates by cross two of P. syzygii and P. solanacearum. The results indicated that avirulent strains of P. syzygii and both virulent and avirulent strains of P. solanacearum can suppress infection by the virulent forms of P. syzygii. However, the virulent strains of P. solanacearum demonstrated more effective in reducing disease severity
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