Efficacy of Consortium Bacteria for Control Rice Diseases under System of Rice Intensification (SRI) in West Java-Indonesia
2013
Yadi Suryadi | Dwiningsih Susilowati | Alina Akhdiya | Triny Suryani Kadir | Baskoro Wibowo
The objective of this work was aimed to determine the efficacy of consortium bacteria containing a mixture of bacterial antagonist for controlling major rice diseases under System of Rice Intensification practices. The experiment consist of three consortium bacteria viz. C 1 (*Bacillus sp E 64, *B. firmus E 65, *Burkholderia sp E 76, *B. cereus C 29d, *B. licheniformis CPKPP 35, *Bacillus sp H, *Bacillus sp IR), C 2 (*Bacillus sp E 64, *B. firmus E 65, *Burkholderia sp E 76, * B. cereus C 29d, * B. licheniformis CPKPP 35, *Azospirillum sp Aj. 5252) and C 3 (*Bacillus sp H, *Bacillus sp IR). All consortiums were treated three times by spraying rice canopy leaves with consortium bacteria suspensions at 14 days, 28 days and 42 days after transplanting. The candidate’s C 1 could reduced the bacterial blight and red stripe diseases severity when compared with control treatment (untreated plots), with the efficacy control less than chemical control, although not effective against sheath blight disease. The yield increase obtained by C 2, C 3 and C 4 applications were ranging from 8.7% to 12.2%.
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